Deep knowledge of IBM i (AS/400) systems, including LPARs, IFS, DB2/SQL, MQ, partitioning, and core middleware. Experience implementing DevOps pipelines, CI/CD, automation, MDCMS version control, and infrastructure-as-code in midrange environments. Skilled in optimizing performance using IBM Performance tools (Job Watcher, SQL Performance tools, ACS, etc.). Familiarity with emerging trends in midrange computing, cloud integration, and developer productivity tools (bonus points).