diff --git a/.github/actions/warm-go-cache/action.yaml b/.github/actions/warm-go-cache/action.yaml
new file mode 100644
index 00000000000..8b4a192314c
--- /dev/null
+++ b/.github/actions/warm-go-cache/action.yaml
@@ -0,0 +1,13 @@
+name: 'Warm Go build cache'
+description: 'Set GOCACHE and optionally warm from EFS-backed PV'
+runs:
+  using: composite
+  steps:
+    - shell: bash
+      run: |
+        echo "GOCACHE=/tmp/go-build-cache" >> "$GITHUB_ENV"
+        if [ -d /cache/go-build ]; then
+          mkdir -p /tmp/go-build-cache && \
+          timeout 120 cp -a /cache/go-build/. /tmp/go-build-cache/ || \
+          echo "Warning: failed to copy EFS cache, proceeding without cache"
+        fi
diff --git a/.github/workflows/envtest-kube-reusable.yaml b/.github/workflows/envtest-kube-reusable.yaml
index e38fe093c06..f3b2609d655 100644
--- a/.github/workflows/envtest-kube-reusable.yaml
+++ b/.github/workflows/envtest-kube-reusable.yaml
@@ -49,6 +49,8 @@ jobs:
     if: needs.changes.outputs.should_run == 'true'
     runs-on: arc-runner-set
     timeout-minutes: 15
+    env:
+      GOCACHE: /tmp/go-build-cache
     strategy:
       fail-fast: false
       matrix:
@@ -57,6 +59,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
+      - uses: ./.github/actions/warm-go-cache
       - run: make test-envtest-kube ENVTEST_KUBE_VERSIONS="${{ matrix.version }}"
 
   conclusion:
diff --git a/.github/workflows/envtest-ocp-reusable.yaml b/.github/workflows/envtest-ocp-reusable.yaml
index 2f001758c43..b487da9b74a 100644
--- a/.github/workflows/envtest-ocp-reusable.yaml
+++ b/.github/workflows/envtest-ocp-reusable.yaml
@@ -49,6 +49,8 @@ jobs:
     if: needs.changes.outputs.should_run == 'true'
     runs-on: arc-runner-set
     timeout-minutes: 15
+    env:
+      GOCACHE: /tmp/go-build-cache
     strategy:
       fail-fast: false
       matrix:
@@ -58,6 +60,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
+      - uses: ./.github/actions/warm-go-cache
       - run: make test-envtest-ocp ENVTEST_OCP_K8S_VERSIONS="${{ matrix.version }}"
 
   conclusion:
diff --git a/.github/workflows/lint-reusable.yaml b/.github/workflows/lint-reusable.yaml
index e969b494fa8..8784b8c2403 100644
--- a/.github/workflows/lint-reusable.yaml
+++ b/.github/workflows/lint-reusable.yaml
@@ -11,6 +11,8 @@ jobs:
     name: Lint
     runs-on: arc-runner-set
     timeout-minutes: 60
+    env:
+      GOCACHE: /tmp/go-build-cache
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
@@ -20,6 +22,7 @@ jobs:
           if [ -n "${{ github.base_ref }}" ]; then
             git fetch origin "${{ github.base_ref }}:${{ github.base_ref }}"
           fi
+      - uses: ./.github/actions/warm-go-cache
       - name: Use pre-built lint tools
         run: |
           if [ -d /opt/lint-tools ]; then
diff --git a/.github/workflows/verify-reusable.yaml b/.github/workflows/verify-reusable.yaml
index f543d537bff..c1957a89859 100644
--- a/.github/workflows/verify-reusable.yaml
+++ b/.github/workflows/verify-reusable.yaml
@@ -11,10 +11,13 @@ jobs:
     name: Verify
     runs-on: arc-runner-set
     timeout-minutes: 60
+    env:
+      GOCACHE: /tmp/go-build-cache
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
+      - uses: ./.github/actions/warm-go-cache
       - run: make generate update
       - run: make staticcheck
       - run: make fmt