diff --git a/eng/ci/official-build-isolated.yml b/eng/ci/official-build-isolated.yml
new file mode 100644
index 000000000..ad39863a8
--- /dev/null
+++ b/eng/ci/official-build-isolated.yml
@@ -0,0 +1,35 @@
+variables:
+  - template: ci/variables/cfs.yml@eng
+
+trigger:
+    batch: true
+    branches:
+        include:
+            - main
+# CI only, does not trigger on PRs.
+pr: none
+
+resources:
+    repositories:
+        - repository: 1es
+          type: git
+          name: 1ESPipelineTemplates/1ESPipelineTemplates
+          ref: refs/tags/release
+        - repository: eng
+          type: git
+          name: engineering
+          ref: refs/tags/release
+
+extends:
+    template: v1/1ES.Official.PipelineTemplate.yml@1es
+    parameters:
+        pool:
+            name: 1es-pool-azfunc
+            image: 1es-windows-2022
+            os: windows
+
+        stages:
+            - stage: BuildAndSign
+              dependsOn: []
+              jobs:
+                  - template: /eng/templates/build-isolated.yml@self
diff --git a/eng/templates/build-isolated.yml b/eng/templates/build-isolated.yml
new file mode 100644
index 000000000..ff5008680
--- /dev/null
+++ b/eng/templates/build-isolated.yml
@@ -0,0 +1,62 @@
+jobs:
+    - job: Build
+
+      templateContext:
+        outputs:
+            - output: pipelineArtifact
+              path: $(build.artifactStagingDirectory)
+              artifact: drop
+              sbomBuildDropPath: $(build.artifactStagingDirectory)
+              sbomPackageName: 'Durable Functions Extension Isolated SBOM'
+
+      steps:
+
+      - task: UseDotNet@2
+        displayName: 'Use the .NET 6 SDK'
+        inputs:
+            packageType: 'sdk'
+            version: '6.0.x'
+    
+      # Start by restoring all the .NET Isolated worker extension dependencies. This needs to be its own task.
+      - task: DotNetCoreCLI@2
+        displayName: 'Restore nuget dependencies'
+        inputs:
+            command: restore
+            verbosityRestore: Minimal
+            feedsToUse: 'config'
+            nugetConfigPath: 'nuget.config'
+            projects: 'src/Worker.Extensions.DurableTask/*.csproj'
+
+      # Build just the .NET Isolated worker extension project
+      - task: DotNetCoreCLI@2
+        displayName: 'Build'
+        inputs:
+            command: build
+            arguments: --no-restore -c release -p:FileVersionRevision=$(Build.BuildId) -p:ContinuousIntegrationBuild=true
+            projects: 'src/Worker.Extensions.DurableTask/*.csproj'
+    
+      - template: ci/sign-files.yml@eng
+        parameters:
+            displayName: Sign assemblies
+            folderPath: 'src/Worker.Extensions.DurableTask/bin/Release'
+            pattern: 'Microsoft.Azure.Functions.Worker.Extensions.DurableTask.dll'
+            signType: dll
+    
+      # Packaging needs to be a separate step from build.
+      # This will automatically pick up any signed DLLs.
+      - task: DotNetCoreCLI@2
+        displayName: Generate nuget packages
+        inputs:
+            command: pack
+            verbosityPack: Minimal
+            configuration: Release
+            nobuild: true
+            packDirectory: $(build.artifactStagingDirectory)
+            packagesToPack: 'src/Worker.Extensions.DurableTask/*.csproj'
+    
+      - template: ci/sign-files.yml@eng
+        parameters:
+            displayName: Sign NugetPackages
+            folderPath: $(build.artifactStagingDirectory)
+            pattern: '*.nupkg'
+            signType: nuget