Mainframe zOS Administration Specialist
Core
Design, implement, and maintain enterprise-class z/OS storage solutions, ensuring reliability, scalability, and performance for mission-critical systems.
Role type
Senior Mainframe z/OS Storage Administrator
Builds
Enterprise storage environments (DFSMS, SMS, DASD) and disaster recovery capabilities
Domain
Mainframe computing (z/OS) and Storage Management
Required skills
z/OS system programming, DFSMS/SMS architecture, DASD capacity planning, VTOC management, REXX/JCL scripting, disaster recovery (GDPS), system troubleshooting, automation
Preferred skills
z/OS administration, mainframe modernization, IBM z16/z17 hardware support, leadership and mentoring
Technologies
z/OS, DFSMS, SMS, GDPS, REXX, JCL, ISPF, IBM z16, IBM z17
Responsibilities
Lead architecture and governance of DFSMS and SMS environments; Manage DASD capacity planning and storage optimization; Monitor storage performance and troubleshoot complex issues; Develop automation solutions using REXX and JCL; Serve as highest level technical escalation for storage issues; Mentor junior engineers and system programmers
Seniority
Senior, hands-on IC with leadership responsibilities