diff --git a/.github/workflows/ompi_mpi4py_tests.yaml b/.github/workflows/ompi_mpi4py_tests.yaml
index 6adabe9cd7f..9f960101322 100644
--- a/.github/workflows/ompi_mpi4py_tests.yaml
+++ b/.github/workflows/ompi_mpi4py_tests.yaml
@@ -67,3 +67,59 @@ jobs:
       run:  python demo/test-run/test_run.py -v
       if:   ${{ true }}
       timeout-minutes: 10
+
+  # TJN: Testing self hosted gh-action runner
+  mpi4py-tests-skunk:
+    runs-on: self-hosted
+    timeout-minutes: 30
+    env:
+      ${{ inputs.env_name}}: 1
+    steps:
+    - name: Use Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3
+        architecture: x64
+    - name: Get artifacts
+      uses: actions/download-artifact@v4
+      with:
+        path: /
+        name: build-artifacts
+    - name: Restore executable permissions
+      run: chmod a+x /opt/openmpi/bin/*
+    - name: Add Open MPI to PATH
+      run: echo /opt/openmpi/bin >> $GITHUB_PATH
+    - name: Install the mpi4py wheel
+      run: python -m pip install mpi4py --no-index --find-links=.
+
+    #----------------------------------------------
+
+    - name: Test mpi4py (singleton)
+      run:  python test/main.py -v
+      if:   ${{ true }}
+      timeout-minutes: 10
+    - name: Test mpi4py (np=1)
+      run:  mpiexec -n 1 python test/main.py -v
+      if:   ${{ true }}
+      timeout-minutes: 10
+    - name: Test mpi4py (np=2)
+      run:  mpiexec -n 2 python test/main.py -v -f
+      if:   ${{ true }}
+      timeout-minutes: 10
+    - name: Test mpi4py (np=3)
+      run:  mpiexec -n 3 python test/main.py -v -f
+      if:   ${{ true }}
+      timeout-minutes: 10
+    - name: Test mpi4py (np=4)
+      run:  mpiexec -n 4 python test/main.py -v -f
+      if:   ${{ true }}
+      timeout-minutes: 10
+    - name: Test mpi4py (np=5)
+      run:  mpiexec -n 5 python test/main.py -v -f
+      if:   ${{ true }}
+      timeout-minutes: 10
+
+    - name: Test mpi4py.run
+      run:  python demo/test-run/test_run.py -v
+      if:   ${{ true }}
+      timeout-minutes: 10