Computer Maintenance, Computer Programming, Continuous Improvement, Customer Support/Service, Data Sets, Disaster Recovery, Hardware Configuration Management, Hardware Installation, Health Plan, Help Desk, IBM MVS Operating System, IBM TSO/ISPF, IBM VTAM (Virtual Telecommunications Access Method), IBM z-OS Operating System, Independent Software Vendor (ISV), Information Technology & Information Systems, Information Technology Consulting, Interpersonal Skills, JCL (Job Control Language), Mainframe Computer, OEM (Original Equipment Manufacturer), Operating Systems, Problem Solving Skills, Process Improvement, Production Support, Production Systems, RACF (Resource Access Control Facility), Schedule Development, Software Administration, Support Documentation, Systems Administration/Management, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, Technical Delivery, Technical Writing, Testing, Time Management, Training/Teaching, User Documentation, Virtual Tape Library