Mainframe z/OS System Administrator
Core
Manage and support IBM z/OS environments running mission-critical enterprise workloads, ensuring stability, availability, and security while driving modernization.
Role type
Senior Mainframe z/OS System Administrator
Builds
Mission-critical enterprise workloads on IBM z/OS
Domain
Banking, Retail, Mainframe Infrastructure
Required skills
z/OS installation and configuration, SYSRES builds, PTF application, disaster recovery testing, JES2/JES3 administration, TSO/ISPF, SMP/E, HCD, performance tuning, troubleshooting system failures and job abends, 24/7 on-call support
Preferred skills
Parallel Sysplex and GDPS architecture, IBM z16/z17 hardware support, cloud integration (Azure/AWS/GCP), leadership and mentoring
Technologies
IBM z/OS, JES2, JES3, TSO, ISPF, SMP/E, HCD, IBM z16, IBM z17, Azure, AWS, Google Cloud
Responsibilities
Manage and administer IBM z/OS systems and associated software products; Perform z/OS installations, upgrades, maintenance, and customization activities; Monitor system performance, capacity, and availability; Troubleshoot and resolve operating system, hardware, and software issues; Administer JES2/JES3, TSO/ISPF, SMP/E, HCD, and system utilities; Coordinate disaster recovery testing, backup, and business continuity activities; Support mainframe modernization and technology transformation initiatives
Seniority
Senior, hands-on IC