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