James O’Connor contributed to the stackhpc/stackhpc-kayobe-config repository by delivering two targeted configuration management features focused on upgrade readiness and build security. He upgraded Pulp configurations to align with Ark naming conventions, updated Treasuredata to lts/5, and set RabbitMQ to a noarch architecture, supporting the Antelope to Caracal upgrade path. Using YAML for declarative configuration, James also disabled remote RPM synchronization and cleared default StackHPC credentials, thereby improving build determinism and security. His work demonstrated depth in system administration and configuration management, addressing upgrade risk and reproducibility without introducing separate bug fixes during the reported period.