Contributed to the NixOS/nixpkgs repository by delivering governance improvements and enhancing service security. Updated contributor and maintainer documentation to align with current project governance, clarifying onboarding and contribution guidelines for maintainers. Hardened the Tsidp service by configuring its state directory to use /var/lib/tsidp, moving away from storing state in user home directories and improving data isolation. These changes addressed both configuration management and system security concerns, reducing operational risk and supporting maintainers’ workflows. Work was implemented using Nix and focused on NixOS modules, system configuration, and DevOps practices, demonstrating a methodical approach to reliability and project collaboration.