Mainframe Storage System administrator
Core
Design, implement, and support enterprise-wide z/OS storage solutions, ensuring scalability, availability, and performance for mission-critical business systems.
Role type
Senior Mainframe Storage System Administrator
Builds
Enterprise z/OS storage infrastructure, backup/recovery services, and modernization projects
Domain
Mainframe computing (z/OS) and enterprise storage management
Required skills
z/OS (MVS) fundamentals, DFSMS/SMS administration, DASD and tape storage management, capacity planning, REXX scripting, JCL, VTOC/catalog management, DFSMShsm/DFSMSdss, storage monitoring tools, root cause analysis, technical escalation, mentorship
Preferred skills
DASD/Tape migration, storage replication, multi-LPAR/CEC environment support, weekend/on-call availability
Technologies
z/OS, DFSMS, DFSMSHSM, DFSMSdss, CA Disk, Omegamon XE, ICKDSF, ISPF, TSO, JES2, VSAM
Responsibilities
Design and govern DFSMS/SMS environments; manage DASD storage infrastructure and capacity planning; administer backup, migration, and disaster recovery services; monitor performance and troubleshoot bottlenecks; lead storage modernization and hardware refresh projects; develop automation solutions using REXX and JCL; serve as technical escalation point for complex incidents; mentor junior engineers.
Seniority
Senior, hands-on IC with leadership responsibilities