diff --git a/.github/workflows/automation-nightly-tests.yml b/.github/workflows/automation-nightly-tests.yml
new file mode 100644
index 00000000000..3c05786b666
--- /dev/null
+++ b/.github/workflows/automation-nightly-tests.yml
@@ -0,0 +1,108 @@
+name: Automation Nightly Tests
+on:
+  schedule:
+    - cron: "0 0 * * *" # Run nightly
+  push:
+    tags:
+      - "*"
+  workflow_dispatch:
+
+jobs:
+  build-chainlink:
+    environment: integration
+    permissions:
+      id-token: write
+      contents: read
+    name: Build Chainlink Image
+    runs-on: ubuntu20.04-16cores-64GB
+    steps:
+      - name: Collect Metrics
+        id: collect-gha-metrics
+        uses: smartcontractkit/push-gha-metrics-action@d1618b772a97fd87e6505de97b872ee0b1f1729a # v2.0.2
+        with:
+          basic-auth: ${{ secrets.GRAFANA_CLOUD_BASIC_AUTH }}
+          hostname: ${{ secrets.GRAFANA_CLOUD_HOST }}
+          this-job-name: Build Chainlink Image
+        continue-on-error: true
+      - name: Checkout the repo
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.event.merge_group.head_sha }}
+      - name: Build Chainlink Image
+        uses: ./.github/actions/build-chainlink-image
+        with:
+          tag_suffix: ""
+          dockerfile: core/chainlink.Dockerfile
+          git_commit_sha: ${{ github.sha }}
+          GRAFANA_CLOUD_BASIC_AUTH: ${{ secrets.GRAFANA_CLOUD_BASIC_AUTH }}
+          GRAFANA_CLOUD_HOST: ${{ secrets.GRAFANA_CLOUD_HOST }}
+          AWS_REGION: ${{ secrets.QA_AWS_REGION }}
+          AWS_ROLE_TO_ASSUME: ${{ secrets.QA_AWS_ROLE_TO_ASSUME }}
+
+  automation-upgrade-test:
+    environment: integration
+    permissions:
+      checks: write
+      pull-requests: write
+      id-token: write
+      contents: read
+    needs: [build-chainlink]
+    env:
+      CHAINLINK_COMMIT_SHA: ${{ github.sha }}
+      CHAINLINK_ENV_USER: ${{ github.actor }}
+      TEST_LOG_LEVEL: debug
+    strategy:
+      fail-fast: false
+      matrix:
+        tests:
+          - name: Upgrade
+            suite: smoke
+            nodes: 6
+            os: ubuntu20.04-8cores-32GB
+            network: SIMULATED
+            command: -run ^TestAutomationNodeUpgrade$ ./smoke
+    runs-on: ${{ matrix.tests.os }}
+    name: Automation ${{ matrix.tests.name }} Test
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          ref: ${{ github.head_ref || github.ref_name }}
+      - name: Run Tests
+        uses: smartcontractkit/chainlink-github-actions/chainlink-testing-framework/run-tests@e865e376b8c2d594028c8d645dd6c47169b72974 # v2.2.16
+        env:
+          SELECTED_NETWORKS: ${{ matrix.tests.network }}
+          TEST_SUITE: ${{ matrix.tests.suite }}
+          UPGRADE_VERSION: ${{ github.sha }}
+          UPGRADE_IMAGE: ${{ secrets.QA_AWS_ACCOUNT_NUMBER }}.dkr.ecr.${{ secrets.QA_AWS_REGION }}.amazonaws.com/chainlink
+        with:
+          test_command_to_run: cd ./integration-tests && go test -timeout 60m -count=1 -json -test.parallel=${{ matrix.tests.nodes }} ${{ matrix.tests.command }} 2>&1 | tee /tmp/gotest.log | gotestfmt
+          test_download_vendor_packages_command: cd ./integration-tests && go mod download
+          cl_repo: 'public.ecr.aws/chainlink/chainlink'
+          cl_image_tag: 'latest'
+          aws_registries: ${{ secrets.QA_AWS_ACCOUNT_NUMBER }}
+          artifacts_location: ./integration-tests/${{ matrix.tests.suite }}/logs
+          publish_check_name: Automation Results ${{ matrix.tests.name }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+          go_mod_path: ./integration-tests/go.mod
+          QA_AWS_REGION: ${{ secrets.QA_AWS_REGION }}
+          QA_AWS_ROLE_TO_ASSUME: ${{ secrets.QA_AWS_ROLE_TO_ASSUME }}
+          QA_KUBECONFIG: ${{ secrets.QA_KUBECONFIG }}
+      - name: Upload test log
+        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+        if: failure()
+        with:
+          name: test-log-${{ matrix.tests.name }}
+          path: /tmp/gotest.log
+          retention-days: 7
+        continue-on-error: true
+      - name: Collect Metrics
+        if: always()
+        id: collect-gha-metrics
+        uses: smartcontractkit/push-gha-metrics-action@d1618b772a97fd87e6505de97b872ee0b1f1729a # v2.0.2
+        with:
+          basic-auth: ${{ secrets.GRAFANA_CLOUD_BASIC_AUTH }}
+          hostname: ${{ secrets.GRAFANA_CLOUD_HOST }}
+          this-job-name: Automation ${{ matrix.tests.name }} Test
+          test-results-file: '{"testType":"go","filePath":"/tmp/gotest.log"}'
+        continue-on-error: true
diff --git a/.github/workflows/automation-ondemand-tests.yml b/.github/workflows/automation-ondemand-tests.yml
index 016a10252be..e023006d58b 100644
--- a/.github/workflows/automation-ondemand-tests.yml
+++ b/.github/workflows/automation-ondemand-tests.yml
@@ -140,7 +140,7 @@ jobs:
             command: -run ^TestAutomationReorg$ ./reorg
           - name: upgrade
             suite: smoke
-            nodes: 3
+            nodes: 6
             os: ubuntu20.04-8cores-32GB
             pyroscope_env: ci-automation-on-demand-upgrade
             network: SIMULATED
diff --git a/CODEOWNERS b/CODEOWNERS
index e34d3ea1bef..83505b0ed8c 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -120,6 +120,7 @@ core/scripts/gateway @bolekk @pinebit
 /.github/workflows/automation-ondemand-tests.yml @smartcontractkit/keepers
 /.github/workflows/automation-benchmark-tests.yml @smartcontractkit/keepers
 /.github/workflows/automation-load-tests.yml @smartcontractkit/keepers
+/.github/workflows/automation-nightly-tests.yml @smartcontractkit/keepers
 
 /core/chainlink.Dockerfile @smartcontractkit/prodsec-public