Worked on the Lullabot/drainpipe repository to enhance YAML validation and improve CI/CD security within deployment workflows. Developed a new --parse-tags flag for the yaml-lint tool, enabling accurate parsing of YAML tags and expanding validation coverage for configuration files. Introduced support for base64-encoded SSH private keys, allowing secure key delivery in CI environments by decoding the key to id_rsa during pipeline execution. These features were implemented using Shell scripting and DevOps practices, with a focus on automation reliability and streamlined configuration. The work addressed configuration friction and contributed to more robust and secure continuous integration and deployment processes.