During December 2024, contributed to both mozilla-releng/fxci-config and thunderbird/thunderbird-android by delivering targeted improvements in CI/CD and configuration management using YAML. In mozilla-releng/fxci-config, migrated Thunderbird sheriff access control from individual user logins to a unified LDAP group, streamlining permissions and simplifying ongoing user management for the team. In thunderbird/thunderbird-android, addressed a formatting issue in the CI/CD workflow by correcting a typo in FTP publish links, which improved the accuracy of build artifact reporting. These changes enhanced operational reliability and security, demonstrating a methodical approach to infrastructure automation and access control within complex repository environments.