Worked on build automation and CI/CD reliability for the coreos/coreos-assembler and coreos/fedora-coreos-pipeline repositories, focusing on stabilizing and optimizing continuous integration workflows. Addressed a recurring CI validation failure by adding ShellCheck as a dependency in the build environment, ensuring consistent and reproducible validation results for shell scripts using Shell and Jenkinsfile. Later, improved pipeline efficiency by defaulting EARLY_ARCH_JOBS to false in the Jenkins pipeline, which reduced wasted CI cycles and prevented incomplete builds from triggering downstream jobs. These changes enhanced build system reliability, minimized operational overhead, and maintained flexibility for teams needing advanced build features through explicit opt-in.