Worked on the rust-lang/team repository to implement a data hygiene fix that synchronizes team membership status across multiple teams, ensuring that active and alumni rosters accurately reflect current contributions. Addressed a bug by updating configuration files written in TOML, leveraging configuration management skills to automate roster corrections and reduce manual maintenance. The solution improved the accuracy of downstream reporting by aligning organizational records with actual team activity. Demonstrated careful Git workflow and cross-team collaboration throughout the process. This work focused on maintaining organizational integrity and traceability, emphasizing the importance of reliable configuration management in large, multi-team open source projects.