Job TitleJob Requirements:- BM z/OS Operating System – installation, configuration, customization, and upgrades.- JCL (Job Control Language) – creating, debugging, and optimizing batch jobs.- System Utilities & Tools – ISPF, TSO, SDSF, REXX, CLIST.- System Programming – SMP/E, PARMLIB customization, PROCLIB management.- Subsystems Expertise (at least some of the following):- JES2/JES3 (Job Entry Subsystems)- RACF/ACF2/Top Secret (Security management)- VTAM, TCP/IP (Networking)- CICS, IMS, DB2 (middleware/database knowledge a plus)- Storage Management – DFSMS, DFHSM, DASD, Tape management.- Disaster Recovery/Backup – GDPS, SRDF, FlashCopy, replication tools.- Performance and Capacity Management – RMF, SMF, OMEGAMON, Mainview, or similar.