Worked on release engineering and CI stabilization across the gardenlinux/package-linux and gardenlinux/gardenlinux repositories, focusing on process reliability and test resilience. Standardized release versioning by enforcing a consistent patch level and introduced a rebuild workflow using version control best practices, streamlining release cycles and improving traceability. In parallel, addressed nightly CI instability by updating Python-based test suites to require the libm shared library, reducing false negatives caused by ecosystem changes. Leveraged DevOps methodologies, Python, and Shell scripting to enhance workflow efficiency and maintainability. The work emphasized reproducibility, auditability, and long-term stability in both release management and automated testing.