diff --git a/eng/pipelines/common/platform-matrix.yml b/eng/pipelines/common/platform-matrix.yml
new file mode 100644
index 00000000000000..b270a848684d3e
--- /dev/null
+++ b/eng/pipelines/common/platform-matrix.yml
@@ -0,0 +1,321 @@
+parameters:
+  jobTemplate: ''
+  buildConfig: ''
+  platforms: []
+  # platformGroup is a named collection of platforms. Allowed values:
+  # 'all' - all platforms
+  # 'gcstress' - platforms that support running under GCStress0x3 and GCStress0xC scenarios
+  platformGroup: ''
+  # helixQueueGroup is a named collection of Helix Queues. If specified, it determines which Helix queues are
+  # used, instead of the usual criteria. Allowed values:
+  # 'pr' - the queues used for a pull request for the platform. Typically a small set.
+  # 'ci' - the queues used for a CI (post-merge) test run.
+  # 'all' - the queues used for non-PR, non-CI test runs, e.g., Manual or Scheduled runs. Typically this is all available queues.
+  # 'corefx' - the queues used for a corefx test run.
+  helixQueueGroup: 'pr'
+  stagedBuild: false
+  # When set to false, suppresses reuse of OSX managed build artifacts (for pipelines without an OSX obj)
+  managedOsxBuild: true
+  jobParameters: {}
+
+jobs:
+
+# Linux arm
+
+- ${{ if or(containsValue(parameters.platforms, 'Linux_arm'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Linux
+      archType: arm
+      container:
+        image: ubuntu-16.04-cross-14.04-23cacb0-20191023143847
+        registry: mcr
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Linux
+        helixQueues:
+        - ${{ if eq(variables['System.TeamProject'], 'public') }}:
+          - (Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-30f6673-20190814153226
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - (Debian.9.Arm32)Ubuntu.1804.Armarch@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-9-helix-arm32v7-74c9941-20190620155841
+          - (Ubuntu.1804.Arm32)Ubuntu.1804.Armarch@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-30f6673-20190814153226
+        crossrootfsDir: '/crossrootfs/arm'
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Linux arm64
+
+- ${{ if or(containsValue(parameters.platforms, 'Linux_arm64'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Linux
+      archType: arm64
+      container:
+        image: ubuntu-16.04-cross-arm64-cfdd435-20191023143847
+        registry: mcr
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Linux
+        helixQueues:
+        - ${{ if eq(variables['System.TeamProject'], 'public') }}:
+          - (Ubuntu.1804.Arm64.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8-a45aeeb-20190620155855
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - (Debian.9.Arm64.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-9-helix-arm64v8-74c9941-20190620155840
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - (Debian.9.Arm64)Ubuntu.1804.ArmArch@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-9-helix-arm64v8-74c9941-20190620155840
+          - (Ubuntu.1804.Arm64)Ubuntu.1804.ArmArch@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8-a45aeeb-20190620155855
+        crossrootfsDir: '/crossrootfs/arm64'
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Linux musl x64
+
+- ${{ if or(containsValue(parameters.platforms, 'Linux_musl_x64'), eq(parameters.platformGroup, 'all')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Linux
+      osSubgroup: _musl
+      archType: x64
+      container:
+        image: alpine-3.9-WithNode-0fc54a3-20190918214015
+        registry: mcr
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        ${{ if ne(parameters.managedOsxBuild, true) }}:
+          managedTestBuildOsGroup: Linux
+          managedTestBuildOsSubgroup: _musl
+        ${{ if eq(parameters.managedOsxBuild, true) }}:
+          managedTestBuildOsGroup: OSX
+        helixQueues:
+        - ${{ if eq(variables['System.TeamProject'], 'public') }}:
+          - (Alpine.310.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.10-helix-3043688-20190918214010
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - (Alpine.38.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-09ca40b-20190508143246
+          - (Alpine.39.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.9-helix-09ca40b-20190508143246
+          - (Alpine.310.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.10-helix-3043688-20190918214010
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Linux musl arm64
+
+- ${{ if or(containsValue(parameters.platforms, 'Linux_musl_arm64'), eq(parameters.platformGroup, 'all')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Linux
+      osSubgroup: _musl
+      archType: arm64
+      container:
+        image: ubuntu-16.04-cross-arm64-alpine-406629a-20191023143847
+        registry: mcr
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Linux
+        helixQueues:
+        - ${{ if eq(variables['System.TeamProject'], 'public') }}:
+          - (Alpine.38.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-arm64v8-a45aeeb-20190620184035
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - (Alpine.38.Arm64)Ubuntu.1804.ArmArch@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-arm64v8-a45aeeb-20190620184035
+        crossrootfsDir: '/crossrootfs/arm64'
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Linux rhel6 x64
+
+- ${{ if or(containsValue(parameters.platforms, 'Linux_rhel6_x64'), eq(parameters.platformGroup, 'all')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Linux
+      osSubgroup: _rhel6
+      archType: x64
+      container:
+        image: centos-6-f39df28-20191023143802
+        registry: mcr
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        ${{ if ne(parameters.managedOsxBuild, true) }}:
+          managedTestBuildOsGroup: Linux_rhel
+        ${{ if eq(parameters.managedOsxBuild, true) }}:
+          managedTestBuildOsGroup: OSX
+        helixQueues:
+        - ${{ if eq(variables['System.TeamProject'], 'public') }}:
+          - RedHat.6.Amd64.Open
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - RedHat.6.Amd64
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Linux x64
+
+- ${{ if or(containsValue(parameters.platforms, 'Linux_x64'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Linux
+      archType: x64
+      container:
+        image: centos-7-f39df28-20191023143754
+        registry: mcr
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        ${{ if ne(parameters.managedOsxBuild, true) }}:
+          managedTestBuildOsGroup: Linux
+        ${{ if eq(parameters.managedOsxBuild, true) }}:
+          managedTestBuildOsGroup: OSX
+        helixQueues:
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - Ubuntu.1804.Amd64.Open
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - Debian.9.Amd64.Open
+          - Ubuntu.1604.Amd64.Open
+          - Ubuntu.1804.Amd64.Open
+          - Centos.7.Amd64.Open
+          - RedHat.7.Amd64.Open
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - Debian.9.Amd64
+          - Ubuntu.1604.Amd64
+          - Ubuntu.1804.Amd64
+          - Centos.7.Amd64
+          - (Fedora.28.Amd64)Ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-28-helix-09ca40b-20190508143249
+          - RedHat.7.Amd64
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# FreeBSD
+
+# FreeBSD machines are currently offline. Re-enable in the official build when
+# the machines are healthy.
+
+# - template: xplat-setup.yml
+#   parameters:
+#     jobTemplate: ${{ parameters.jobTemplate }}
+#     osGroup: FreeBSD
+#     archType: x64
+#     jobParameters:
+#       buildConfig: ${{ parameters.buildConfig }}
+#       # There are no FreeBSD helix queues, so we don't run tests at the moment.
+#       helixQueues:
+#         asString: ''
+#         asArray: []
+#       ${{ insert }}: ${{ parameters.jobParameters }}
+
+# macOS x64
+
+- ${{ if or(containsValue(parameters.platforms, 'OSX_x64'), eq(parameters.platformGroup, 'all')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: OSX
+      archType: x64
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: OSX
+        helixQueues:
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - OSX.1013.Amd64.Open
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - OSX.1013.Amd64.Open
+          - OSX.1014.Amd64.Open
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - OSX.1013.Amd64
+          - OSX.1014.Amd64
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Windows x64
+
+- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_x64'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Windows_NT
+      archType: x64
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Windows_NT
+        helixQueues:
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - Windows.10.Amd64.Open
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - (Windows.Nano.1809.Amd64.Open)windows.10.amd64.serverrs5.open@mcr.microsoft.com/dotnet-buildtools/prereqs:nanoserver-1809-helix-amd64-61052b7-20190723211353
+          - Windows.7.Amd64.Open
+          - Windows.81.Amd64.Open
+          - Windows.10.Amd64.Open
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - Windows.7.Amd64
+          - Windows.81.Amd64
+          - Windows.10.Amd64
+          - Windows.10.Amd64.Core
+          - (Windows.Nano.1809.Amd64.Open)windows.10.amd64.serverrs5.open@mcr.microsoft.com/dotnet-buildtools/prereqs:nanoserver-1809-helix-amd64-61052b7-20190723211353
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Windows x86
+
+- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_x86'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Windows_NT
+      archType: x86
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Windows_NT
+        helixQueues:
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - Windows.10.Amd64.Open
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
+          - Windows.7.Amd64.Open
+          - Windows.81.Amd64.Open
+          - Windows.10.Amd64.Open
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - Windows.7.Amd64
+          - Windows.81.Amd64
+          - Windows.10.Amd64
+          - Windows.10.Amd64.Core
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Windows arm
+
+- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_arm'), eq(parameters.platformGroup, 'all')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Windows_NT
+      archType: arm
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Windows_NT
+        helixQueues:
+        # NOTE: there are no queues specified for Windows_NT_arm public with helixQueueGroup='pr'. This means that specifying
+        # Windows_NT_arm for a PR job causes a build, but no test run. If the test build and test runs were separate jobs,
+        # this could be more explicit (and less subtle).
+        - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'ci', 'corefx')) }}:
+          - Windows.10.Arm64.Open
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - Windows.10.Arm64
+        ${{ insert }}: ${{ parameters.jobParameters }}
+
+# Windows arm64
+
+- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_arm64'), eq(parameters.platformGroup, 'all')) }}:
+  - template: xplat-setup.yml
+    parameters:
+      jobTemplate: ${{ parameters.jobTemplate }}
+      osGroup: Windows_NT
+      archType: arm64
+      jobParameters:
+        stagedBuild: ${{ parameters.stagedBuild }}
+        buildConfig: ${{ parameters.buildConfig }}
+        managedTestBuildOsGroup: Windows_NT
+        helixQueues:
+        # TODO: Consider adding Windows.10.Arm64.Open here if capacity is enough for handling both Windows_NT/arm and Windows_NT/arm64 testing
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - Windows.10.Arm64
+        ${{ insert }}: ${{ parameters.jobParameters }}
diff --git a/eng/pipelines/common/xplat-setup.yml b/eng/pipelines/common/xplat-setup.yml
new file mode 100644
index 00000000000000..ad9fec03eacbf2
--- /dev/null
+++ b/eng/pipelines/common/xplat-setup.yml
@@ -0,0 +1,52 @@
+parameters:
+  jobTemplate: ''
+  osGroup: ''
+  osSubgroup: ''
+  archType: ''
+  container: ''
+  jobParameters: {}
+
+jobs:
+- template: ${{ parameters.jobTemplate }}
+  parameters:
+    variables:
+      - ${{ if eq(parameters.osGroup, 'Windows_NT') }}:
+        - name: archiveExtension
+          value: '.zip'
+        - name: archiveType
+          value: zip
+        - name: tarCompression
+          value: ''
+        - name: scriptExt
+          value: '.cmd'
+        - name: dir
+          value: '\'
+
+      - ${{ if ne(parameters.osGroup, 'Windows_NT') }}:
+        - name: archiveExtension
+          value: '.tar.gz'
+        - name: archiveType
+          value: tar
+        - name: tarCompression
+          value: gz
+        - name: scriptExt
+          value: '.sh'
+        - name: dir
+          value: '/'
+      
+      - ${{ if ne(parameters.jobParameters.crossrootfsDir, '') }}:
+        # This is only required for cross builds.
+        - name: ROOTFS_DIR
+          value: ${{ parameters.jobParameters.crossrootfsDir }}
+    
+    osGroup: ${{ parameters.osGroup }}
+    osSubgroup: ${{ parameters.osSubgroup }}
+    archType:  ${{ parameters.archType }}
+
+    ${{ if ne(parameters.container, '') }}:
+      ${{ if eq(parameters.container.registry, 'mcr') }}:
+        container: ${{ format('{0}:{1}', 'mcr.microsoft.com/dotnet-buildtools/prereqs', parameters.container.image) }}
+      ${{ if ne(parameters.container.registry, 'mcr') }}:
+        container: ${{ format('{0}:{1}', parameters.container.registry, parameters.container.image) }}
+
+    ${{ insert }}: ${{ parameters.jobParameters }}
diff --git a/eng/pipelines/coreclr/ci.yml b/eng/pipelines/coreclr/ci.yml
index f0c8b95e033a6d..6a618efb442a95 100644
--- a/eng/pipelines/coreclr/ci.yml
+++ b/eng/pipelines/coreclr/ci.yml
@@ -32,9 +32,9 @@ jobs:
 #
 # Debug builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: debug
     platforms:
     - Linux_arm
@@ -52,9 +52,9 @@ jobs:
 #
 # Checked builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: all
     jobParameters:
@@ -63,9 +63,9 @@ jobs:
 #
 # Release builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: release
     platforms:
     - Linux_arm
@@ -79,9 +79,9 @@ jobs:
 #
 # Checked test builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
@@ -97,9 +97,9 @@ jobs:
 #
 # Checked JIT test runs
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platformGroup: all
     helixQueueGroup: ci
@@ -109,9 +109,9 @@ jobs:
 #
 # Checked R2R test runs
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm64
@@ -133,9 +133,9 @@ jobs:
 #
 # Crossgen-comparison jobs
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: crossgen-comparison-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/crossgen-comparison-job.yml
     buildConfig: release
     platforms:
     - Linux_arm
@@ -144,9 +144,9 @@ jobs:
 #
 # Formatting
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: format-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/format-job.yml
     platforms:
     - Linux_x64
     - Windows_NT_x64
diff --git a/eng/pipelines/coreclr/corefx-jitstress.yml b/eng/pipelines/coreclr/corefx-jitstress.yml
index 0cb43fc8f404ca..1e151efa40af82 100644
--- a/eng/pipelines/coreclr/corefx-jitstress.yml
+++ b/eng/pipelines/coreclr/corefx-jitstress.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
@@ -31,9 +31,9 @@ jobs:
     jobParameters:
       testGroup: jitstress
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
diff --git a/eng/pipelines/coreclr/corefx-jitstress2-jitstressregs.yml b/eng/pipelines/coreclr/corefx-jitstress2-jitstressregs.yml
index 5cba6455afbc7a..e375e80ef2810e 100644
--- a/eng/pipelines/coreclr/corefx-jitstress2-jitstressregs.yml
+++ b/eng/pipelines/coreclr/corefx-jitstress2-jitstressregs.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
@@ -31,9 +31,9 @@ jobs:
     jobParameters:
       testGroup: jitstress
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
diff --git a/eng/pipelines/coreclr/corefx-jitstressregs.yml b/eng/pipelines/coreclr/corefx-jitstressregs.yml
index fc314b33b98240..96b37d0cf22dec 100644
--- a/eng/pipelines/coreclr/corefx-jitstressregs.yml
+++ b/eng/pipelines/coreclr/corefx-jitstressregs.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
@@ -31,9 +31,9 @@ jobs:
     jobParameters:
       testGroup: jitstressregs
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
diff --git a/eng/pipelines/coreclr/corefx.yml b/eng/pipelines/coreclr/corefx.yml
index 4ebff149f24480..66821e0b04b051 100644
--- a/eng/pipelines/coreclr/corefx.yml
+++ b/eng/pipelines/coreclr/corefx.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
@@ -31,9 +31,9 @@ jobs:
     jobParameters:
       testGroup: outerloop
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     # TODO: add Windows_NT_arm64, when we have hardware available, and .NET Core supports it. Note: platform-matrix.yml needs to enable a Helix queue for this.
diff --git a/eng/pipelines/coreclr/crossgen2.yml b/eng/pipelines/coreclr/crossgen2.yml
index 80daf80c66cc43..ca3bfc230c3a6a 100644
--- a/eng/pipelines/coreclr/crossgen2.yml
+++ b/eng/pipelines/coreclr/crossgen2.yml
@@ -8,9 +8,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
@@ -19,9 +19,9 @@ jobs:
     jobParameters:
       testGroup: innerloop
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: checked
     platforms:
     - OSX_x64
@@ -29,9 +29,9 @@ jobs:
     jobParameters:
       testGroup: innerloop
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
diff --git a/eng/pipelines/coreclr/gc-longrunning.yml b/eng/pipelines/coreclr/gc-longrunning.yml
index 9b45cf6b2230c4..c646cd84c9fc9c 100644
--- a/eng/pipelines/coreclr/gc-longrunning.yml
+++ b/eng/pipelines/coreclr/gc-longrunning.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: release
     platforms:
     - Linux_x64
@@ -28,9 +28,9 @@ jobs:
     jobParameters:
       testGroup: gc-longrunning
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: release
     platforms:
     - Linux_x64
@@ -41,9 +41,9 @@ jobs:
     jobParameters:
       testGroup: gc-longrunning
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: release
     platforms:
     - Linux_x64
diff --git a/eng/pipelines/coreclr/gc-simulator.yml b/eng/pipelines/coreclr/gc-simulator.yml
index f0e13b5a75621f..40935a80e70117 100644
--- a/eng/pipelines/coreclr/gc-simulator.yml
+++ b/eng/pipelines/coreclr/gc-simulator.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: release
     platforms:
     # disable Linux x64 for now untill OOMs are resolved.
@@ -29,9 +29,9 @@ jobs:
     jobParameters:
       testGroup: gc-simulator
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: release
     platforms:
     # disable Linux x64 for now untill OOMs are resolved.
diff --git a/eng/pipelines/coreclr/gcstress-extra.yml b/eng/pipelines/coreclr/gcstress-extra.yml
index 31559cb976f9c0..7fc1a92437336d 100644
--- a/eng/pipelines/coreclr/gcstress-extra.yml
+++ b/eng/pipelines/coreclr/gcstress-extra.yml
@@ -16,18 +16,18 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: gcstress
     managedOsxBuild: false
     jobParameters:
       testGroup: gcstress-extra
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platformGroup: gcstress
     helixQueueGroup: ci
diff --git a/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml b/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml
index b3ef70cb3b12a2..9ef304df1c22ac 100644
--- a/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml
+++ b/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml
@@ -16,17 +16,17 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: gcstress
     jobParameters:
       testGroup: gcstress0x3-gcstress0xc
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platformGroup: gcstress
     helixQueueGroup: ci
diff --git a/eng/pipelines/coreclr/internal.yml b/eng/pipelines/coreclr/internal.yml
index f2a1d71de3ac99..0f7d719b2634b7 100644
--- a/eng/pipelines/coreclr/internal.yml
+++ b/eng/pipelines/coreclr/internal.yml
@@ -41,9 +41,9 @@ stages:
     #
     # Release builds
     #
-    - template: templates/platform-matrix.yml
+    - template: /eng/pipelines/common/platform-matrix.yml
       parameters:
-        jobTemplate: build-job.yml
+        jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
         buildConfig: release
         platformGroup: all
         stagedBuild: true
@@ -91,9 +91,9 @@ stages:
     #
     # Release test builds
     #
-    - template: templates/platform-matrix.yml
+    - template: /eng/pipelines/common/platform-matrix.yml
       parameters:
-        jobTemplate: build-test-job.yml
+        jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
         buildConfig: release
         platforms:
         - Linux_arm
@@ -112,9 +112,9 @@ stages:
     #
     # Release JIT test executions
     #
-    - template: templates/platform-matrix.yml
+    - template: /eng/pipelines/common/platform-matrix.yml
       parameters:
-        jobTemplate: run-test-job.yml
+        jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
         buildConfig: release
         platformGroup: all
         helixQueueGroup: all
@@ -126,9 +126,9 @@ stages:
     #
     # Release R2R test executions
     #
-    - template: templates/platform-matrix.yml
+    - template: /eng/pipelines/common/platform-matrix.yml
       parameters:
-        jobTemplate: run-test-job.yml
+        jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
         buildConfig: release
         platformGroup: all
         helixQueueGroup: all
diff --git a/eng/pipelines/coreclr/jitstress-isas-arm.yml b/eng/pipelines/coreclr/jitstress-isas-arm.yml
index 757b27cb43df01..ba6c1296a43e2b 100644
--- a/eng/pipelines/coreclr/jitstress-isas-arm.yml
+++ b/eng/pipelines/coreclr/jitstress-isas-arm.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm64
@@ -26,9 +26,9 @@ jobs:
     jobParameters:
       testGroup: jitstress-isas-arm
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm64
diff --git a/eng/pipelines/coreclr/jitstress-isas-x86.yml b/eng/pipelines/coreclr/jitstress-isas-x86.yml
index 49076eea5163d6..aff4a943a2f1b7 100644
--- a/eng/pipelines/coreclr/jitstress-isas-x86.yml
+++ b/eng/pipelines/coreclr/jitstress-isas-x86.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
@@ -28,9 +28,9 @@ jobs:
     jobParameters:
       testGroup: jitstress-isas-x86
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: checked
     platforms:
     - OSX_x64
@@ -40,9 +40,9 @@ jobs:
     jobParameters:
       testGroup: jitstress-isas-x86
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
diff --git a/eng/pipelines/coreclr/jitstress.yml b/eng/pipelines/coreclr/jitstress.yml
index e26daf95569dfd..bfdd2b72af3319 100644
--- a/eng/pipelines/coreclr/jitstress.yml
+++ b/eng/pipelines/coreclr/jitstress.yml
@@ -16,17 +16,17 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: all
     jobParameters:
       testGroup: jitstress
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platformGroup: all
     helixQueueGroup: ci
diff --git a/eng/pipelines/coreclr/jitstress2-jitstressregs.yml b/eng/pipelines/coreclr/jitstress2-jitstressregs.yml
index d21a7f01e9b986..629f4b50c8dc11 100644
--- a/eng/pipelines/coreclr/jitstress2-jitstressregs.yml
+++ b/eng/pipelines/coreclr/jitstress2-jitstressregs.yml
@@ -16,17 +16,17 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: all
     jobParameters:
       testGroup: jitstress2-jitstressregs
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platformGroup: all
     helixQueueGroup: ci
diff --git a/eng/pipelines/coreclr/jitstressregs-x86.yml b/eng/pipelines/coreclr/jitstressregs-x86.yml
index b7d8f8f63644d6..d4cba89344bb37 100644
--- a/eng/pipelines/coreclr/jitstressregs-x86.yml
+++ b/eng/pipelines/coreclr/jitstressregs-x86.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
@@ -27,9 +27,9 @@ jobs:
     jobParameters:
       testGroup: jitstressregs-x86
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
diff --git a/eng/pipelines/coreclr/jitstressregs.yml b/eng/pipelines/coreclr/jitstressregs.yml
index 45fbc6ee56656c..d632096da267b5 100644
--- a/eng/pipelines/coreclr/jitstressregs.yml
+++ b/eng/pipelines/coreclr/jitstressregs.yml
@@ -16,26 +16,26 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: all
     jobParameters:
       testGroup: jitstressregs
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: checked
     platformGroup: all
     helixQueueGroup: ci
     jobParameters:
       testGroup: jitstressregs
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platformGroup: all
     helixQueueGroup: ci
diff --git a/eng/pipelines/coreclr/perf.yml b/eng/pipelines/coreclr/perf.yml
index 37ac1eed90ec88..6530eafd4d2669 100644
--- a/eng/pipelines/coreclr/perf.yml
+++ b/eng/pipelines/coreclr/perf.yml
@@ -30,9 +30,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: release
     platforms:
     - Linux_x64
@@ -41,9 +41,9 @@ jobs:
     jobParameters:
       testGroup: perf
     
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: perf-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/perf-job.yml
     buildConfig: release
     platforms:
     - Linux_x64
diff --git a/eng/pipelines/coreclr/pr.yml b/eng/pipelines/coreclr/pr.yml
index c4a7bb4fa7ee31..f6c48ddd8fb2ba 100644
--- a/eng/pipelines/coreclr/pr.yml
+++ b/eng/pipelines/coreclr/pr.yml
@@ -32,9 +32,9 @@ jobs:
 #
 # Debug builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: debug
     platforms:
     - Windows_NT_x64
@@ -45,9 +45,9 @@ jobs:
 #
 # Checked builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
@@ -65,9 +65,9 @@ jobs:
 #
 # Release builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: release
     platforms:
     - Linux_arm64
@@ -83,9 +83,9 @@ jobs:
 #
 # Checked test builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
@@ -102,9 +102,9 @@ jobs:
 #
 # Checked JIT test executions
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
@@ -123,9 +123,9 @@ jobs:
 #
 # Checked R2R test executions
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
@@ -141,9 +141,9 @@ jobs:
 #
 # CoreFX test runs against CoreCLR
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
@@ -158,9 +158,9 @@ jobs:
 #
 # Crossgen-comparison jobs
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: crossgen-comparison-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/crossgen-comparison-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
@@ -169,9 +169,9 @@ jobs:
 #
 # Release test builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-test-job.yml
     buildConfig: release
     platforms:
     - OSX_x64
@@ -182,9 +182,9 @@ jobs:
 #
 # Release test builds
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: run-test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/run-test-job.yml
     buildConfig: release
     platforms:
     - Linux_musl_x64
@@ -195,9 +195,9 @@ jobs:
 #
 # Formatting
 #
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: format-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/format-job.yml
     platforms:
     - Linux_x64
     - Windows_NT_x64
diff --git a/eng/pipelines/coreclr/r2r-extra.yml b/eng/pipelines/coreclr/r2r-extra.yml
index 0cc7b12afd91e7..590f1645f9fbc5 100644
--- a/eng/pipelines/coreclr/r2r-extra.yml
+++ b/eng/pipelines/coreclr/r2r-extra.yml
@@ -16,17 +16,17 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platformGroup: gcstress
     jobParameters:
       testGroup: r2r-extra
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platformGroup: gcstress # r2r-extra testGroup runs gcstress15 scenario
     helixQueueGroup: ci
diff --git a/eng/pipelines/coreclr/r2r.yml b/eng/pipelines/coreclr/r2r.yml
index 20aeaf567c567c..e589738a4d32ed 100644
--- a/eng/pipelines/coreclr/r2r.yml
+++ b/eng/pipelines/coreclr/r2r.yml
@@ -8,9 +8,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
@@ -21,9 +21,9 @@ jobs:
     jobParameters:
       testGroup: outerloop
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platforms:
     - Linux_arm
diff --git a/eng/pipelines/coreclr/runincontext.yml b/eng/pipelines/coreclr/runincontext.yml
index 181729dbcacdb0..93f9c8f2838e94 100644
--- a/eng/pipelines/coreclr/runincontext.yml
+++ b/eng/pipelines/coreclr/runincontext.yml
@@ -16,9 +16,9 @@ jobs:
 #
 - template: templates/checkout-job.yml
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: build-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/build-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
@@ -27,9 +27,9 @@ jobs:
     jobParameters:
       testGroup: outerloop
 
-- template: templates/platform-matrix.yml
+- template: /eng/pipelines/common/platform-matrix.yml
   parameters:
-    jobTemplate: test-job.yml
+    jobTemplate: /eng/pipelines/coreclr/templates/test-job.yml
     buildConfig: checked
     platforms:
     - Linux_x64
diff --git a/eng/pipelines/coreclr/templates/build-job.yml b/eng/pipelines/coreclr/templates/build-job.yml
index f3714ddf74ab60..8f3d746c384afa 100644
--- a/eng/pipelines/coreclr/templates/build-job.yml
+++ b/eng/pipelines/coreclr/templates/build-job.yml
@@ -10,6 +10,7 @@ parameters:
   signBinaries: false
   publishToBlobFeed: false
   stagedBuild: false
+  variables: {}
 
 ### Product build
 jobs:
@@ -90,6 +91,8 @@ jobs:
     - ${{ if and(eq(parameters.buildConfig, 'Release'), and(eq(parameters.osGroup, 'Windows_NT'), not(or(eq(parameters.archType, 'arm64'), eq(parameters.archType, 'arm'))))) }}:
       - name: enforcePgoArg
         value: '-enforcepgo'
+    
+    - ${{ parameters.variables }}
 
     steps:
 
diff --git a/eng/pipelines/coreclr/templates/build-test-job.yml b/eng/pipelines/coreclr/templates/build-test-job.yml
index b18c96ad7a8219..c32ecbb1f1c462 100644
--- a/eng/pipelines/coreclr/templates/build-test-job.yml
+++ b/eng/pipelines/coreclr/templates/build-test-job.yml
@@ -8,6 +8,7 @@ parameters:
   displayNameArgs: ''
   condition: true
   stagedBuild: false
+  variables: {}
 
 ### Build managed test components (native components are getting built as part
 ### of the the product build job).
@@ -29,6 +30,7 @@ jobs:
     container: ${{ parameters.container }}
     testGroup: ${{ parameters.testGroup }}
     stagedBuild: ${{ parameters.stagedBuild }}
+    variables: ${{ parameters.variables }}
 
     # Test jobs should continue on error for internal builds
     ${{ if eq(variables['System.TeamProject'], 'internal') }}:
diff --git a/eng/pipelines/coreclr/templates/crossgen-comparison-job.yml b/eng/pipelines/coreclr/templates/crossgen-comparison-job.yml
index a78f8a2f76c26d..7e6f20ee4721a2 100644
--- a/eng/pipelines/coreclr/templates/crossgen-comparison-job.yml
+++ b/eng/pipelines/coreclr/templates/crossgen-comparison-job.yml
@@ -7,6 +7,7 @@ parameters:
   helixQueues: ''
   crossrootfsDir: ''
   stagedBuild: false
+  variables: {}
 
 ### Crossgen-comparison job
 ###
@@ -53,6 +54,8 @@ jobs:
       - name: productDirectory
         value: $(binDirectory)\coreclr
 
+    - ${{ parameters.variables }}
+
     # Test job depends on the corresponding build job
     dependsOn: ${{ format('build_{0}{1}_{2}_{3}', parameters.osGroup, parameters.osSubgroup, parameters.archType, parameters.buildConfig) }}
 
diff --git a/eng/pipelines/coreclr/templates/format-job.yml b/eng/pipelines/coreclr/templates/format-job.yml
index 3a78c28cfb8cca..92237414b06935 100644
--- a/eng/pipelines/coreclr/templates/format-job.yml
+++ b/eng/pipelines/coreclr/templates/format-job.yml
@@ -7,6 +7,7 @@ parameters:
   crossrootfsDir: ''
   timeoutInMinutes: ''
   stagedBuild: false
+  variables: {}
 
 ### Format job
 jobs:
@@ -23,6 +24,7 @@ jobs:
     name: ${{ format('format_{0}{1}_{2}', parameters.osGroup, parameters.osSubgroup, parameters.archType) }}
     displayName: ${{ format('Formatting {0}{1} {2}', parameters.osGroup, parameters.osSubgroup, parameters.archType) }}
     helixType: 'format'
+    variables: ${{ parameters.variables }}
     steps:
     - task: UseDotNet@2
       # This should match what jitutils YML uses to build.
diff --git a/eng/pipelines/coreclr/templates/perf-job.yml b/eng/pipelines/coreclr/templates/perf-job.yml
index 2a19a90612d29f..199c0281a4d984 100644
--- a/eng/pipelines/coreclr/templates/perf-job.yml
+++ b/eng/pipelines/coreclr/templates/perf-job.yml
@@ -5,6 +5,7 @@ parameters:
   osSubgroup: ''
   container: ''
   framework: netcoreapp5.0 # Specify the appropriate framework when running release branches (ie netcoreapp3.0 for release/3.0)
+  variables: {}
 
 ### Perf job
 
@@ -32,12 +33,13 @@ jobs:
     osSubgroup: ${{ parameters.osSubgroup }}
     # Test job depends on the corresponding build job
     dependsOn: ${{ format('build_{0}{1}_{2}_{3}', parameters.osGroup, parameters.osSubgroup, parameters.archType, parameters.buildConfig) }}
-      
+
     ${{ if eq(parameters.osGroup, 'Windows_NT') }}:
       extraSetupParameters: -CoreRootDirectory $(Build.SourcesDirectory)\artifacts\tests\coreclr\${{ parameters.osGroup }}.${{ parameters.archType }}.Release\Tests\Core_Root -Architecture ${{ parameters.archType }}
     ${{ if ne(parameters.osGroup, 'Windows_NT') }}:
       extraSetupParameters: --corerootdirectory $(Build.SourcesDirectory)/artifacts/tests/coreclr/${{ parameters.osGroup }}.${{ parameters.archType }}.Release/Tests/Core_Root --architecture ${{ parameters.archType }}
-
+    
+    variables: ${{ parameters.variables }}
     frameworks:
       - ${{ parameters.framework }}
     steps:
diff --git a/eng/pipelines/coreclr/templates/platform-matrix.yml b/eng/pipelines/coreclr/templates/platform-matrix.yml
deleted file mode 100644
index f022a0f9dcc1f2..00000000000000
--- a/eng/pipelines/coreclr/templates/platform-matrix.yml
+++ /dev/null
@@ -1,296 +0,0 @@
-parameters:
-  jobTemplate: ''
-  buildConfig: ''
-  platforms: []
-  # platformGroup is a named collection of platforms. Allowed values:
-  # 'all' - all platforms
-  # 'gcstress' - platforms that support running under GCStress0x3 and GCStress0xC scenarios
-  platformGroup: ''
-  # helixQueueGroup is a named collection of Helix Queues. If specified, it determines which Helix queues are
-  # used, instead of the usual criteria. Allowed values:
-  # 'pr' - the queues used for a pull request for the platform. Typically a small set.
-  # 'ci' - the queues used for a CI (post-merge) test run.
-  # 'all' - the queues used for non-PR, non-CI test runs, e.g., Manual or Scheduled runs. Typically this is all available queues.
-  # 'corefx' - the queues used for a corefx test run.
-  helixQueueGroup: 'pr'
-  stagedBuild: false
-  # When set to false, suppresses reuse of OSX managed build artifacts (for pipelines without an OSX obj)
-  managedOsxBuild: true
-  jobParameters: {}
-
-jobs:
-
-# Linux arm
-
-- ${{ if or(containsValue(parameters.platforms, 'Linux_arm'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: arm
-      osGroup: Linux
-      managedTestBuildOsGroup: Linux
-      container:
-        image: ubuntu-16.04-cross-14.04-23cacb0-20191023143847
-        registry: mcr
-      helixQueues:
-      - ${{ if eq(variables['System.TeamProject'], 'public') }}:
-        - (Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-30f6673-20190814153226
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - (Debian.9.Arm32)Ubuntu.1804.Armarch@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-9-helix-arm32v7-74c9941-20190620155841
-        - (Ubuntu.1804.Arm32)Ubuntu.1804.Armarch@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-30f6673-20190814153226
-      crossrootfsDir: '/crossrootfs/arm'
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Linux arm64
-
-- ${{ if or(containsValue(parameters.platforms, 'Linux_arm64'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: arm64
-      osGroup: Linux
-      managedTestBuildOsGroup: Linux
-      container:
-        image: ubuntu-16.04-cross-arm64-cfdd435-20191023143847
-        registry: mcr
-      helixQueues:
-      - ${{ if eq(variables['System.TeamProject'], 'public') }}:
-        - (Ubuntu.1804.Arm64.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8-a45aeeb-20190620155855
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - (Debian.9.Arm64.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-9-helix-arm64v8-74c9941-20190620155840
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - (Debian.9.Arm64)Ubuntu.1804.ArmArch@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-9-helix-arm64v8-74c9941-20190620155840
-        - (Ubuntu.1804.Arm64)Ubuntu.1804.ArmArch@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8-a45aeeb-20190620155855
-      crossrootfsDir: '/crossrootfs/arm64'
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Linux musl x64
-
-- ${{ if or(containsValue(parameters.platforms, 'Linux_musl_x64'), eq(parameters.platformGroup, 'all')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: x64
-      osGroup: Linux
-      osSubgroup: _musl
-      ${{ if ne(parameters.managedOsxBuild, true) }}:
-        managedTestBuildOsGroup: Linux
-        managedTestBuildOsSubgroup: _musl
-      ${{ if eq(parameters.managedOsxBuild, true) }}:
-        managedTestBuildOsGroup: OSX
-      container:
-        image: alpine-3.9-WithNode-0fc54a3-20190918214015
-        registry: mcr
-      helixQueues:
-      - ${{ if eq(variables['System.TeamProject'], 'public') }}:
-        - (Alpine.310.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.10-helix-3043688-20190918214010
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - (Alpine.38.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-09ca40b-20190508143246
-        - (Alpine.39.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.9-helix-09ca40b-20190508143246
-        - (Alpine.310.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.10-helix-3043688-20190918214010
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Linux musl arm64
-
-- ${{ if or(containsValue(parameters.platforms, 'Linux_musl_arm64'), eq(parameters.platformGroup, 'all')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: arm64
-      osGroup: Linux
-      osSubgroup: _musl
-      managedTestBuildOsGroup: Linux
-      container:
-        image: ubuntu-16.04-cross-arm64-alpine-406629a-20191023143847
-        registry: mcr
-      helixQueues:
-      - ${{ if eq(variables['System.TeamProject'], 'public') }}:
-        - (Alpine.38.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-arm64v8-a45aeeb-20190620184035
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - (Alpine.38.Arm64)Ubuntu.1804.ArmArch@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-arm64v8-a45aeeb-20190620184035
-      crossrootfsDir: '/crossrootfs/arm64'
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Linux rhel6 x64
-
-- ${{ if or(containsValue(parameters.platforms, 'Linux_rhel6_x64'), eq(parameters.platformGroup, 'all')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: x64
-      osGroup: Linux
-      osSubgroup: _rhel6
-      ${{ if ne(parameters.managedOsxBuild, true) }}:
-        managedTestBuildOsGroup: Linux_rhel
-      ${{ if eq(parameters.managedOsxBuild, true) }}:
-        managedTestBuildOsGroup: OSX
-      container:
-        image: centos-6-f39df28-20191023143802
-        registry: mcr
-      helixQueues:
-      # TODO: enable RedHat.6.Amd64.Open once https://github.com/dotnet/coreclr/issues/23580 is resolved
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - RedHat.6.Amd64
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Linux x64
-
-- ${{ if or(containsValue(parameters.platforms, 'Linux_x64'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: x64
-      osGroup: Linux
-      ${{ if ne(parameters.managedOsxBuild, true) }}:
-        managedTestBuildOsGroup: Linux
-      ${{ if eq(parameters.managedOsxBuild, true) }}:
-        managedTestBuildOsGroup: OSX
-      container:
-        image: centos-7-f39df28-20191023143754
-        registry: mcr
-      helixQueues:
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - Ubuntu.1804.Amd64.Open
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - Debian.9.Amd64.Open
-        - Ubuntu.1604.Amd64.Open
-        - Ubuntu.1804.Amd64.Open
-        - Centos.7.Amd64.Open
-        - RedHat.7.Amd64.Open
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - Debian.9.Amd64
-        - Ubuntu.1604.Amd64
-        - Ubuntu.1804.Amd64
-        - Centos.7.Amd64
-        - (Fedora.28.Amd64)Ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-28-helix-09ca40b-20190508143249
-        - RedHat.7.Amd64
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# FreeBSD
-
-# FreeBSD machines are currenrly offline. Re-enable in the official build when
-# the machines are healthy.
-
-# - template: ${{ parameters.jobTemplate }}
-#   parameters:
-#     buildConfig: ${{ parameters.buildConfig }}
-#     archType: x64
-#     osGroup: FreeBSD
-#     # There are no FreeBSD helix queues, so we don't run tests at the moment.
-#     helixQueues:
-#       asString: ''
-#       asArray: []
-#     ${{ insert }}: ${{ parameters.jobParameters }}
-
-# macOS x64
-
-- ${{ if or(containsValue(parameters.platforms, 'OSX_x64'), eq(parameters.platformGroup, 'all')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: x64
-      osGroup: OSX
-      managedTestBuildOsGroup: OSX
-      helixQueues:
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - OSX.1013.Amd64.Open
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - OSX.1013.Amd64.Open
-        - OSX.1014.Amd64.Open
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - OSX.1013.Amd64
-        - OSX.1014.Amd64
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Windows x64
-
-- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_x64'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: x64
-      osGroup: Windows_NT
-      managedTestBuildOsGroup: Windows_NT
-      helixQueues:
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - Windows.10.Amd64.Open
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        # TODO: add Windows.10.Nano.Amd64.Open once https://github.com/dotnet/coreclr/issues/21693 has been resolved
-        - Windows.7.Amd64.Open
-        - Windows.81.Amd64.Open
-        - Windows.10.Amd64.Open
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - Windows.7.Amd64
-        - Windows.81.Amd64
-        - Windows.10.Amd64
-        - Windows.10.Amd64.Core
-        - (Windows.Nano.1803.Amd64)windows.10.amd64.serverrs4@mcr.microsoft.com/dotnet-buildtools/prereqs:nanoserver-1803-helix-amd64-05227e1-20190509225944
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Windows x86
-
-- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_x86'), in(parameters.platformGroup, 'all', 'gcstress')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: x86
-      osGroup: Windows_NT
-      managedTestBuildOsGroup: Windows_NT
-      helixQueues:
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - Windows.10.Amd64.Open
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), notIn(parameters.helixQueueGroup, 'pr', 'ci', 'corefx')) }}:
-        - Windows.7.Amd64.Open
-        - Windows.81.Amd64.Open
-        - Windows.10.Amd64.Open
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - Windows.7.Amd64
-        - Windows.81.Amd64
-        - Windows.10.Amd64
-        - Windows.10.Amd64.Core
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Windows arm
-
-- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_arm'), eq(parameters.platformGroup, 'all')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: arm
-      osGroup: Windows_NT
-      managedTestBuildOsGroup: Windows_NT
-      helixQueues:
-      # NOTE: there are no queues specified for Windows_NT_arm public with helixQueueGroup='pr'. This means that specifying
-      # Windows_NT_arm for a PR job causes a build, but no test run. If the test build and test runs were separate jobs,
-      # this could be more explicit (and less subtle).
-      - ${{ if and(eq(variables['System.TeamProject'], 'public'), in(parameters.helixQueueGroup, 'ci', 'corefx')) }}:
-        - Windows.10.Arm64.Open
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - Windows.10.Arm64
-      ${{ insert }}: ${{ parameters.jobParameters }}
-
-# Windows arm64
-
-- ${{ if or(containsValue(parameters.platforms, 'Windows_NT_arm64'), eq(parameters.platformGroup, 'all')) }}:
-  - template: ${{ parameters.jobTemplate }}
-    parameters:
-      stagedBuild: ${{ parameters.stagedBuild }}
-      buildConfig: ${{ parameters.buildConfig }}
-      archType: arm64
-      osGroup: Windows_NT
-      managedTestBuildOsGroup: Windows_NT
-      helixQueues:
-      # TODO: Consider adding Windows.10.Arm64.Open here if capacity is enough for handling both Windows_NT/arm and Windows_NT/arm64 testing
-      - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-        - Windows.10.Arm64
-      ${{ insert }}: ${{ parameters.jobParameters }}
diff --git a/eng/pipelines/coreclr/templates/run-test-job.yml b/eng/pipelines/coreclr/templates/run-test-job.yml
index 2123c7d082ec8b..06a8d095baea5f 100644
--- a/eng/pipelines/coreclr/templates/run-test-job.yml
+++ b/eng/pipelines/coreclr/templates/run-test-job.yml
@@ -16,6 +16,7 @@ parameters:
   stagedBuild: false
   displayNameArgs: ''
   runInUnloadableContext: false
+  variables: {}
 
 ### Test run job
 
@@ -85,6 +86,8 @@ jobs:
 
     - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
       - group: DotNet-HelixApi-Access
+    
+    - ${{ parameters.variables }}
 
     # TODO: update these numbers as they were determined long ago
     ${{ if eq(parameters.testGroup, 'innerloop') }}:
diff --git a/eng/pipelines/coreclr/templates/test-job.yml b/eng/pipelines/coreclr/templates/test-job.yml
index f10cc074812941..7577d7a43645b8 100644
--- a/eng/pipelines/coreclr/templates/test-job.yml
+++ b/eng/pipelines/coreclr/templates/test-job.yml
@@ -16,6 +16,7 @@ parameters:
   runInUnloadableContext: false
   condition: true
   stagedBuild: false
+  variables: {}
 
 ### Test job
 
@@ -24,7 +25,7 @@ parameters:
 
 jobs:
 - ${{ if and(ne(parameters.corefxTests, true), eq(parameters.osSubgroup, parameters.managedTestBuildOsSubgroup), eq(parameters.osGroup, parameters.managedTestBuildOsGroup)) }}:
-  - template: build-test-job.yml
+  - template: /eng/pipelines/coreclr/templates/build-test-job.yml
     parameters:
       buildConfig: ${{ parameters.buildConfig }}
       archType: ${{ parameters.archType }}
@@ -35,8 +36,9 @@ jobs:
       displayNameArgs: ${{ parameters.displayNameArgs }}
       condition: ${{ parameters.condition }}
       stagedBuild: ${{ parameters.stagedBuild }}
+      variables: ${{ parameters.variables }}
 
-- template: run-test-job.yml
+- template: /eng/pipelines/coreclr/templates/run-test-job.yml
   parameters:
     buildConfig: ${{ parameters.buildConfig }}
     archType: ${{ parameters.archType }}
@@ -53,3 +55,4 @@ jobs:
     displayNameArgs: ${{ parameters.displayNameArgs }}
     stagedBuild: ${{ parameters.stagedBuild }}
     runInUnloadableContext: ${{ parameters.runInUnloadableContext }}
+    variables: ${{ parameters.variables }}
diff --git a/eng/pipelines/coreclr/templates/xplat-job.yml b/eng/pipelines/coreclr/templates/xplat-job.yml
index 77541e161fa928..2ded9695527380 100644
--- a/eng/pipelines/coreclr/templates/xplat-job.yml
+++ b/eng/pipelines/coreclr/templates/xplat-job.yml
@@ -27,7 +27,7 @@ jobs:
 
     name: ${{ parameters.name }}
     displayName: ${{ parameters.displayName }}
-
+    container: ${{ parameters.container }}
     condition: ${{ parameters.condition }}
     dependsOn:
       - ${{ if ne(parameters.stagedBuild, true) }}:
@@ -88,12 +88,6 @@ jobs:
     workspace:
       clean: all
 
-    ${{ if ne(parameters.container, '') }}:
-      ${{ if eq(parameters.container.registry, 'mcr') }}:
-        container: ${{ format('{0}:{1}', 'mcr.microsoft.com/dotnet-buildtools/prereqs', parameters.container.image) }}
-      ${{ if ne(parameters.container.registry, 'mcr') }}:
-        container: ${{ format('{0}:{1}', parameters.container.registry, parameters.container.image) }}
-
     ${{ if eq(parameters.osGroup, 'Linux') }}:
       agentOs: Ubuntu
     ${{ if eq(parameters.osGroup, 'FreeBSD') }}:
@@ -151,9 +145,6 @@ jobs:
         value: 'cross'
       - name: crossPackagesArg
         value: '-__DoCrossArchBuild=1'
-      # This is only required for cross builds.
-      - name: ROOTFS_DIR
-        value: ${{ parameters.crossrootfsDir }}
     - ${{ if eq(parameters.crossrootfsDir, '') }}:
       - name: crossArg
         value: ''
diff --git a/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml b/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml
index 7c2f4e3efa9fab..5b5b60f4b01864 100644
--- a/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml
+++ b/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml
@@ -57,30 +57,6 @@ jobs:
       - name: testArtifactRootName
         value: ${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_${{ parameters.archType }}_${{ parameters.buildConfig }}
 
-    - ${{ if eq(parameters.osGroup, 'Windows_NT') }}:
-      - name: archiveExtension
-        value: '.zip'
-      - name: archiveType
-        value: zip
-      - name: tarCompression
-        value: ''
-      - name: scriptExt
-        value: '.cmd'
-      - name: dir
-        value: '\'
-
-    - ${{ if ne(parameters.osGroup, 'Windows_NT') }}:
-      - name: archiveExtension
-        value: '.tar.gz'
-      - name: archiveType
-        value: tar
-      - name: tarCompression
-        value: gz
-      - name: scriptExt
-        value: '.sh'
-      - name: dir
-        value: '/'
-
     - name: coreClrRepoRoot
       value: '$(Build.SourcesDirectory)/src/coreclr'
 
diff --git a/eng/pipelines/installer/azure-pipelines.yml b/eng/pipelines/installer/azure-pipelines.yml
index 64f16ec47bb98f..8efcaf87fd8b29 100644
--- a/eng/pipelines/installer/azure-pipelines.yml
+++ b/eng/pipelines/installer/azure-pipelines.yml
@@ -12,6 +12,7 @@ trigger:
     - src/libraries/*
     - eng/pipelines/coreclr/*
     - eng/pipelines/libraries/*
+    - eng/pipelines/common/*
     - docs/*
     - README.md
     - CONTRIBUTING.md
diff --git a/eng/pipelines/libraries/.azure-ci.yml b/eng/pipelines/libraries/.azure-ci.yml
index 8a879d9fdf9d8a..2c59ab0bb4db41 100644
--- a/eng/pipelines/libraries/.azure-ci.yml
+++ b/eng/pipelines/libraries/.azure-ci.yml
@@ -22,6 +22,7 @@ trigger:
     - src/coreclr/*
     - eng/pipelines/coreclr/*
     - eng/pipelines/installer/*
+    - eng/pipelines/common/*
 
 pr:
   branches: