z/OS Storage Systems Programmer

Senior z/OS Storage Systems Programmer

Location: Remote

We are seeking a highly experienced Senior z/OS Storage Systems Programmer with deep expertise in IBM Mainframe Storage Management, DFSMS, DFHSM, and enterprise storage infrastructure. The ideal candidate will possess extensive experience in z/OS system programming, storage administration, disaster recovery, data center migrations, and automation. This role requires hands-on experience supporting large-scale IBM mainframe environments and implementing enterprise storage management policies.

KEY SKILLS: DFSMS and ACS Routines(understanding and updating),DFSMSHSM, JCL, BACKUP/RESTORE(DFSMSDFP), ICKDSF, MAINFRAME Troubleshooting

Required Professional and Technical Expertise:

Minimum of 10 years of

• z/OS: - System Programmer set of skills (ISPF/SDSF, z/FS Filesystem, Unix System Services, RACF, JES parameters, SYS1.PARMLIB, SYS1.PROCLIB members.)
• Storage Management Skills:
• Deep skills in mainframe (z/OS) storage administration (DASD and Tape)
• Deep skills in catalog maintenance/management
• Knowledgeable in DFSMS and DFHSM as well as other storage management vendor products
• Comprehensive understanding of DFSMSdss
• Experience with ISMF and DFSMS NaviQuest
• Developing, testing, and implementing System Managed Storage’s Automated Class Selection (ACS) routines to implement storage management policies.
• Knowledgeable with DFHSM Fast Replication technology (flashcopy and use of copy pools)
• Knowledgeable with DFRMM and other vendor tape management products
• Skilled in programming in REXX or other languages strongly desired
• Experience with IBM DS8xxx and IBM TS77xx
• Experience with implementation and monitoring for VSAM RLS
• Familiar with disk and tape replication technology
• Knowledgeable on Hyperswap implementation
• Familiarity with cloud object storage, experience with IBM Transparent Cloud Tiering implementation and usage
• Z Hardware

Project Skills:

• Experience with Data Center migrations
• Experience with Sysplex splits/merges
• Experience with Disaster Recovery methodologies