z os , Automation Scripting, Ispf, data mining, PostgreSQL, Dataproc, Tso, Clist, Rexx, JCL, Jes2, Databricks, MongoDB, Data Storage, DB2 utilities, catalog directory management, data pipelines development, subsystem tuning, Synapse, IBM Data Server Manager, DB2 for z OS, Glue, DB2 Query Monitor, DB2 Admin Tool