Worked on the IBM/z_ansible_collections_samples repository to enhance and stabilize certificate management automation for z/OS environments. Focused on improving Ansible playbooks by refining code quality, standardizing data delimiters, and updating environment targeting to reduce production risk and manual intervention. Improved documentation using Markdown to clarify setup and renewal processes, integrating guidance for IBM Concert, ServiceNow, and Ansible Automation Platform. Addressed compatibility issues by disabling SSH pipelining and aligning automation practices with enterprise standards. Leveraged skills in Ansible, JavaScript, and YAML to deliver maintainable, reliable workflows that streamline certificate renewal, reduce outages, and ensure consistent cross-system data handling.