Over a two-month period, contributed backend development and configuration management enhancements to the Altinity/ClickHouse and typesense/ClickHouse repositories. Developed ZooKeeper-based key loading for the encrypt_decrypt tool, enabling dynamic and centralized encryption key management using C++ and XML. Extended secure configuration workflows by implementing encrypted configuration loading and decryption with SSL and ZooKeeper integration, separating codec loading from decryption to improve maintainability. Focused on robust system administration practices, improved gating logic, and enhanced documentation and code comments to support secure, dynamic configuration updates in production environments. The work emphasized security, operational efficiency, and maintainable code through careful refactoring and testing.