z/OS System Programmer

Post Date

Jun 11, 2026

Location

Chandler,
Arizona

ZIP/Postal Code

85224
US
Aug 12, 2026 Insight Global

Job Type

Contract,Perm Possible

Category

Programmer / Developer

Req #

CLT-4190cce6-0f10-4cdb-9619-56d567e276ba

Pay Rate

$56 - $70 (hourly estimate)

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.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

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.

Nice to Have Skills & Experience

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

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.