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z/OS System Programmer

Job

Insight Global

Chandler, AZ (In Person)

Full-Time

Posted 1 week ago (Updated 3 days ago) • Actively hiring

Expires 7/19/2026

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Job Description

Job Description Insight Global is seeking a z/OS System Programmer for one of our largest financial clients in Chandler, AZ. Designs, engineers, and maintains z/OS platform tools and services aligned with enterprise architecture standards, governance, and security policies Provides subject-matter expertise in z/OS infrastructure, supporting application, infrastructure, and engineering teams with technical consultation and best practices Translates business and operational requirements into z/OS technical designs, deployment blueprints, standards, and runbooks Develops and enhances automation, scripts, and tooling to eliminate manual, repetitive tasks and improve system reliability and efficiency Creates reusable templates and playbooks to standardize system builds, configuration, deployment, and ongoing operations Evaluates and validates third‑party mainframe software and tools for enterprise adoption, ensuring fit-for-purpose and compliance Continuously identifies opportunities to improve system performance, resiliency, and operational processes through innovation and modernization Contributes to enterprise product and solution evaluations by defining functional and non-functional technical requirements Supports risk management, change management, and problem resolution in a regulated, high-availability enterprise environment (As applicable) Provides technical guidance, mentoring, and leadership to junior staff while promoting an inclusive, collaborative team culture We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.

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Insight Global's Workforce Privacy Policy:
https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements 8-10+ years of experience as a z/OS System Programmer Strong experience configuring, maintaining, and supporting the z/OS operating system, including installing new releases, applying maintenance, and managing PTFs, APARs, and USERMODs using System Modification Program Extended (SMP/E). Demonstrated experience administering z/OS UNIX System Services (USS), including file system management, permissions, scripting, and zFS configuration and support. Hands-on experience configuring and supporting JES2, including job class definitions, initiator management, spool tuning, and workload controls. Strong working knowledge of TSO/ISPF, including panel usage, utility execution, and support for system programming and operational tasks. Hands-on experience configuring and managing logical partitions (LPARs) and processor resources using the Hardware Management Console (HMC). Demonstrated ability to diagnose and resolve system-level issues, including abends, dumps, hardware errors, and performance problems, using IPCS, EREP, and RMF tools. Proficient in developing and maintaining system utilities, exits, and automation using REXX and Basic Assembly Language (BAL/Assembler). Experience defining and maintaining complex server, storage, and network hardware configurations using Hardware Configuration Definition (HCD). Solid background in mainframe security administration, including defining and maintaining RACF profiles, permissions, groups, and system controls Experience with Python