In December 2024, delivered a new CI Signing Identity Configuration Option for OpenMS/OpenMS to standardize signing behavior across the CI matrix by introducing a signing_identity option with '-' as the placeholder/default. This change improves reproducibility and reduces build-time variability in CI, aligning signing behavior across environments. The work is anchored by commit 512d06def8d5a89ce068f58776b346f669a7ef55 with the message 'Try signing_identity = -'. No major bugs were recorded in this scope; the focus was on delivering a robust configuration feature and stabilizing CI workflows. The effort demonstrates proficiency in CI/CD practices, configuration management, and version-controlled development, with direct business value in more predictable builds and faster issue isolation.