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Mainframe - z/OS Support

ComtechBrooklyn, NYL5 SeniorSeptember 15th, 2026
Overview In this contract role, you will perform z/OS systems programming and coordinate resources to complete software maintenance and installations. You will provide technical support to clients and work with z/OS administrators to diagnose and resolve root causes, with on-call coverage as needed. You’ll handle solid z/OS installation and maintenance and code in JCL, REXX, and HLASM to keep systems running smoothly. This position sits within an IT team that leverages ITIL-based processes and a certification-driven approach to service delivery. ResponsibilitiesProvide z/OS systems programming supportCoordinate project resources for maintenance and installation schedulesCollaborate with z/OS administrators to resolve root cause issuesProvide on-call support for products supported by the teamPerform z/OS installation and maintenanceProficient in JCL, REXX, and HLASM programming Key requirements8+ Years experienceBachelor's degreeStrong z/OS knowledgeProficiency in JCL, REXX, and HLASMz/OSJCLREXXHLASM