Worked on enhancing the Fedora CoreOS pipeline by implementing a targeted infrastructure update in the coreos/fedora-coreos-pipeline repository. Focused on build system configuration, the work involved adding an SSH public key for the builder CI user to the builder-common.bu file, enabling secure and streamlined SSH access for automated build operations. This change did not alter product behavior but improved the security posture and operational efficiency of the CI environment. Utilized BU as the configuration language and applied best practices in access control and key management, contributing to more reliable and maintainable continuous integration workflows without introducing customer-facing features.