
Worked on the ACCESS-NRI/ACCESS-ESM1.6 repository, delivering four features focused on configuration and dependency management over four months. Leveraged YAML and Spack to update and align spack.yaml files, ensuring reproducible builds and reducing environment drift across complex Earth system model components. Emphasized deterministic build processes by pinning hashes and development tags, enabling traceable and reliable deployments for both spinup and production workflows. Coordinated version upgrades and deployment alignment for UM and model components, maintaining compatibility and supporting new features. Demonstrated strengths in software versioning, configuration management, and version control, with a consistent focus on build stability and traceability.
February 2026: Implemented Year 1 compatibility by updating Spack dependencies in ACCESS-NRI/ACCESS-ESM1.6. Updated Spack configuration to reference the latest access-esm1p6 and um7 packages to ensure stable Year 1 operations. This work reduces deployment risk and aligns with Year 1 operational requirements; the change is captured in the corresponding commit for traceability.
February 2026: Implemented Year 1 compatibility by updating Spack dependencies in ACCESS-NRI/ACCESS-ESM1.6. Updated Spack configuration to reference the latest access-esm1p6 and um7 packages to ensure stable Year 1 operations. This work reduces deployment risk and aligns with Year 1 operational requirements; the change is captured in the corresponding commit for traceability.
December 2025 monthly summary for ACCESS-NRI/ACCESS-ESM1.6 focused on delivering up-to-date deployment alignment and maintaining system compatibility.
December 2025 monthly summary for ACCESS-NRI/ACCESS-ESM1.6 focused on delivering up-to-date deployment alignment and maintaining system compatibility.
June 2025, ACCESS-NRI/ACCESS-ESM1.6: Delivered a dependency alignment update by updating spack.yaml to reference newer development tags for access-esm1p6 and um7. This enables downstream access to recent fixes and improvements while maintaining build stability. Commit reference: bdbcff1abd4d92a8338d1d8004c32bb4258fe07f ("Update to new UM tag"). No major bugs fixed this month. Overall impact: reduced dependency drift, improved reproducibility, and accelerated access to fixes for downstream users. Technologies demonstrated: Spack configuration management, tag-based dependency pinning, Git-based change tracing, and build reproducibility practices.
June 2025, ACCESS-NRI/ACCESS-ESM1.6: Delivered a dependency alignment update by updating spack.yaml to reference newer development tags for access-esm1p6 and um7. This enables downstream access to recent fixes and improvements while maintaining build stability. Commit reference: bdbcff1abd4d92a8338d1d8004c32bb4258fe07f ("Update to new UM tag"). No major bugs fixed this month. Overall impact: reduced dependency drift, improved reproducibility, and accelerated access to fixes for downstream users. Technologies demonstrated: Spack configuration management, tag-based dependency pinning, Git-based change tracing, and build reproducibility practices.
In April 2025, delivered Spinup Environment Version Upgrades for the ACCESS-NRI/ACCESS-ESM1.6 project, upgrading multiple components in spack.yaml (access-esm1p6, cice4, um7, mom5, and access-generic-tracers) to reflect newer development branches/releases and enable a new spinup run. This work enhances reproducibility, reduces environment drift, and accelerates validation of the spinup workflow.
In April 2025, delivered Spinup Environment Version Upgrades for the ACCESS-NRI/ACCESS-ESM1.6 project, upgrading multiple components in spack.yaml (access-esm1p6, cice4, um7, mom5, and access-generic-tracers) to reflect newer development branches/releases and enable a new spinup run. This work enhances reproducibility, reduces environment drift, and accelerates validation of the spinup workflow.
March 2025: Delivered reproducible build updates for ACCESS-ESM1.6 via Spack configuration changes, pinning the CICE hash and development-version tags to ensure deterministic builds across decomposition runs. Focused on build reliability and traceability with no user-facing bug fixes this month.
March 2025: Delivered reproducible build updates for ACCESS-ESM1.6 via Spack configuration changes, pinning the CICE hash and development-version tags to ensure deterministic builds across decomposition runs. Focused on build reliability and traceability with no user-facing bug fixes this month.

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