Automation, Best Practices, Capacity Management, Capacity and Performance Management, Computer Programming, Database Administration, Debugging Skills, Disaster Recovery, Documentation, Hardware Upgrades, IBM CICS (Customer Information Control System), IBM Clist Programming Language, IBM DB2, IBM IMS Database, IBM Job Entry Subsystem, IBM MVS Operating System, IBM Netview, IBM Product Family, IBM Rexx Programming Language, IBM Systems, IBM z-OS Operating System, Mainframe Computer, Mainframe Operating System, Mentoring, Messaging Middleware, Network Administration/Management, Network Security, Operating Systems, Performance Tuning/Optimization, Problem Solving Skills, Production Control, Production Schedule, RACF (Resource Access Control Facility), Root Cause Analysis, Software Upgrades, Symmetric MultiProcessing (SMP) Computing, System Architecture, Systems Administration/Management, Systems Maintenance, Systems/Internals Programming, Team Lead/Manager, Technical Leadership