Mainframe zOS Systems Administrator
Core
Install, configure, maintain, and upgrade DB2 for z/OS environments, ensuring platform stability, performance, and availability.
Role type
Senior Mainframe z/OS Systems Administrator (DB2 specialist)
Builds
High-availability, disaster recovery, and data-sharing DB2 subsystems for mission-critical business applications
Domain
Mainframe computing (z/OS) and Database Management (DB2)
Required skills
z/OS system programming, DB2 administration, SMP/E and PTF management, SQL tuning, REXX and JCL scripting, capacity planning, disaster recovery (GDPS), root cause analysis
Preferred skills
z/OS administration, mainframe modernization, IBM z16/z17 hardware support, leadership and mentoring
Technologies
DB2, z/OS, SMP/E, GDPS, REXX, JCL, IBM z16, IBM z17
Responsibilities
Install, configure, maintain, and upgrade DB2 for z/OS environments; Plan and execute DB2 version migrations and recovery strategies; Monitor, analyze, and optimize DB2 performance; Design and support high-availability and disaster recovery environments; Manage DB2 utilities including REORG, RUNSTATS, and LOAD/UNLOAD; Partner with security teams to implement DB2 security controls; Perform capacity planning and infrastructure optimization; Develop automation using REXX and JCL; Lead root cause analysis and resolution of critical incidents; Provide technical leadership and strategic guidance for DB2 infrastructure
Seniority
Senior, hands-on IC with technical leadership