diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3874150c1f29..b7d6a80ce193 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   # `basics` includes all non-smoke and non-unit CI
   basics:
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
 
     # A few steps are duplicated across all jobs. Can be done better when this feature lands:
     #   https://github.community/t/reusing-sharing-inheriting-steps-between-jobs-declarations/16851
@@ -33,9 +33,9 @@ jobs:
 
     # Run pptr tests using ToT Chrome instead of stable default.
     - name: Define ToT chrome path
-      run: echo "CHROME_PATH=/home/runner/chrome-linux-tot/chrome" >> $GITHUB_ENV
+      run: echo "CHROME_PATH=/home/ubuntu/chrome-linux-tot/chrome" >> $GITHUB_ENV
     - name: Install Chrome ToT
-      working-directory: /home/runner
+      working-directory: /home/ubuntu
       run: bash $GITHUB_WORKSPACE/lighthouse-core/scripts/download-chrome.sh && mv chrome-linux chrome-linux-tot
 
     # Run tests that require headfull Chrome.
diff --git a/.github/workflows/package-test.yml b/.github/workflows/package-test.yml
index 75b9cf01e435..28f1201e52d4 100644
--- a/.github/workflows/package-test.yml
+++ b/.github/workflows/package-test.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   package-test:
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
     name: Package Test
 
     steps:
diff --git a/.github/workflows/smoke.yml b/.github/workflows/smoke.yml
index 65b3b09fd3f6..fbcffdd5a210 100644
--- a/.github/workflows/smoke.yml
+++ b/.github/workflows/smoke.yml
@@ -16,7 +16,7 @@ jobs:
         smoke-test-shard: [1, 2, 3]
       # e.g. if set 1 fails, continue with set 2 anyway
       fail-fast: false
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
     env:
       # The total number of shards. Set dynamically when length of *single* matrix variable is
       # computable. See https://github.community/t/get-length-of-strategy-matrix-or-get-all-matrix-options/18342
@@ -38,12 +38,12 @@ jobs:
 
     - name: Define ToT chrome path
       if: matrix.chrome-channel == 'ToT'
-      run: echo "CHROME_PATH=/home/runner/chrome-linux-tot/chrome" >> $GITHUB_ENV
+      run: echo "CHROME_PATH=/home/ubuntu/chrome-linux-tot/chrome" >> $GITHUB_ENV
 
     # Chrome Stable is already installed by default.
     - name: Install Chrome ToT
       if: matrix.chrome-channel == 'ToT'
-      working-directory: /home/runner
+      working-directory: /home/ubuntu
       run: bash $GITHUB_WORKSPACE/lighthouse-core/scripts/download-chrome.sh && mv chrome-linux chrome-linux-tot
 
     - run: yarn install --frozen-lockfile --network-timeout 1000000
@@ -53,7 +53,7 @@ jobs:
     - run: sudo apt-get install xvfb
     - name: Run smoke tests
       run: |
-        xvfb-run --auto-servernum yarn c8 yarn smoke --debug -j=1 --retries=2 --shard=${{ matrix.smoke-test-shard }}/$SHARD_TOTAL
+        xvfb-run --auto-servernum yarn c8 yarn smoke --debug --retries=2 --shard=${{ matrix.smoke-test-shard }}/$SHARD_TOTAL
         yarn c8 report --reporter text-lcov > smoke-coverage.lcov
 
     - name: Upload test coverage to Codecov
@@ -105,7 +105,7 @@ jobs:
         path: .tmp/smokehouse-ci-failures/
 
   smoke-fr:
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
     name: Fraggle Rock
 
     steps:
@@ -123,7 +123,7 @@ jobs:
 
     - run: sudo apt-get install xvfb
     - name: yarn smoke --fraggle-rock
-      run: xvfb-run --auto-servernum yarn smoke --debug --fraggle-rock -j=1 --retries=2
+      run: xvfb-run --auto-servernum yarn smoke --debug --fraggle-rock --retries=2
 
     # Fail if any changes were written to source files.
     - run: git diff --exit-code
@@ -136,7 +136,7 @@ jobs:
         path: .tmp/smokehouse-ci-failures/
 
   smoke-bundle:
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
     name: Bundled Lighthouse
 
     steps:
@@ -167,7 +167,7 @@ jobs:
         path: .tmp/smokehouse-ci-failures/
 
   smoke-bundle-fr:
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
     name: Bundled Fraggle Rock
 
     steps:
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 6d2f0e059960..29b299ac1624 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         node: ['14', '16', '17']
-    runs-on: ubuntu-latest
+    runs-on: buildjet-4vcpu-ubuntu-2004
     name: node ${{ matrix.node }}
     env:
       LATEST_NODE: '17'
@@ -48,9 +48,9 @@ jobs:
 
     # Run pptr tests using ToT Chrome instead of stable default.
     - name: Define ToT chrome path
-      run: echo "CHROME_PATH=/home/runner/chrome-linux-tot/chrome" >> $GITHUB_ENV
+      run: echo "CHROME_PATH=/home/ubuntu/chrome-linux-tot/chrome" >> $GITHUB_ENV
     - name: Install Chrome ToT
-      working-directory: /home/runner
+      working-directory: /home/ubuntu
       run: bash $GITHUB_WORKSPACE/lighthouse-core/scripts/download-chrome.sh && mv chrome-linux chrome-linux-tot
 
     - run: yarn test-proto # Run before unit-core because the roundtrip json is needed for proto tests.
diff --git a/package.json b/package.json
index 8f153642d3b0..65cc6d8714c6 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "watch": "yarn unit-core --watch",
     "unit:cicoverage": "yarn c8 --all yarn unit:ci",
     "coverage": "yarn unit:cicoverage && c8 report --reporter html",
-    "coverage:smoke": "yarn c8 yarn smoke -j=1 && c8 report --reporter html",
+    "coverage:smoke": "yarn c8 yarn smoke && c8 report --reporter html",
     "devtools": "bash lighthouse-core/scripts/roll-to-devtools.sh",
     "chrome": "node lighthouse-core/scripts/manual-chrome-launcher.js",
     "fast": "node ./lighthouse-cli/index.js --preset=desktop --throttlingMethod=provided",