Anders Choi developed an SSH access key management feature for the TUM-DSE/doctor-cluster-config repository, focusing on secure and auditable onboarding. He updated the Nix-based students.nix configuration to add a new SSH public key for user Anders, ensuring access changes are version-controlled and easily traceable. By leveraging DevOps practices and system configuration skills, Anders enabled repeatable deployments and reduced manual provisioning overhead. The work isolated access control changes to a single configuration file, minimizing risk and supporting governance requirements. No bugs were reported during this period, reflecting a focused and well-scoped contribution that addressed access management without introducing instability.