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Remote Senior z/OS Systems Administrator
6-12 month project
Salary- OPEN (40 hours per week)
Candidate has to work in the US hours
Minimum 10 years of experience required.
Position Overview
We are seeking an experienced Senior z/OS Systems Administrator to support and maintain a large-scale IBM mainframe environment. The ideal candidate will be a senior-level z/OS professional with deep hands-on expertise in SMP/E, REXX scripting, and z/OSMF, along with robust knowledge of z/OS systems administration, maintenance, upgrades, troubleshooting, and automation.
Key Responsibilities
· Install, configure, maintain, and support IBM z/OS operating systems and related system software.
· Perform z/OS upgrades, maintenance, system modifications, and lifecycle management.
· Provide advanced administration and troubleshooting of z/OS environments.
· Use SMP/E (System Modification Program/Extended) extensively for installation, maintenance, upgrades, PTFs, APARs, HOLDDATA processing,



and management of IBM and third-party software.
· Analyze SMP/E environments, zones, CSI datasets, SYSMODs, and maintenance requirements.
· Develop and maintain REXX scripts to automate z/OS administration, monitoring, reporting, maintenance, and operational processes.
· Identify manual processes that can be improved through REXX-based automation.
· Administer and support IBM z/OS Management Facility (z/OSMF).
· Configure and maintain z/OSMF services, workflows, plugins, and system management functions.
· Utilize z/OSMF for system management, configuration, monitoring, and automation.
· Perform system problem determination, root-cause analysis, and resolution of complex z/OS issues.
· Monitor system performance, availability, capacity, and overall system health.
· Work with operations, application, storage, network, security, and database teams to resolve mainframe infrastructure issues.
· Participate in s

📌 Remote Senior z/OS Systems Administrator (India)
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📍 India