diff --git a/.github/workflows/build-hpc.yml b/.github/workflows/build-hpc.yml
index 63d01dfc..4d128b9b 100644
--- a/.github/workflows/build-hpc.yml
+++ b/.github/workflows/build-hpc.yml
@@ -32,10 +32,12 @@ jobs:
       matrix:
         name:
           - ac-gpu nvhpc
+          - lumi-g cce
 
         include:
           - name: ac-gpu nvhpc
             site: ac-batch
+            troika_user_secret: HPC_CI_SSH_USER
             sbatch_options: |
               #SBATCH --time=00:20:00
               #SBATCH --nodes=1
@@ -50,6 +52,26 @@ jobs:
               - prgenv/nvidia
               - hpcx-openmpi/2.14.0-cuda
               - fftw
+            workdir: "$TMPDIR"
+
+          - name: lumi-g cce
+            site: lumi
+            troika_user_secret: LUMI_CI_SSH_USER
+            sbatch_options: |
+              #SBATCH --time=00:20:00
+              #SBATCH --nodes=1
+              #SBATCH --ntasks-per-node=8
+              #SBATCH --gpus-per-task=1
+              #SBATCH --partition=small-g
+            modules:
+              - CrayEnv
+              - PrgEnv-cray
+              - cce/17.0.1
+              - craype-accel-amd-gfx90a
+              - rocm/6.0.3
+              - cray-fftw
+              - buildtools
+            workdir: /tmp
 
     runs-on: [self-hosted, linux, hpc]
     env:
@@ -58,8 +80,10 @@ jobs:
       - uses: ecmwf-actions/reusable-workflows/ci-hpc-generic@v2
         with:
           site: ${{ matrix.site }}
-          troika_user: ${{ secrets.HPC_CI_SSH_USER }}
+          troika_user: ${{ secrets[matrix.troika_user_secret] }}
           sbatch_options: ${{ matrix.sbatch_options }}
+          workdir: ${{ matrix.workdir }}
+          output_dir: \$HOME
           template_data: |
             cmake_options:
               - -DENABLE_MPI=ON