> Markdown version of [/jobs/ext/2188838-z-os-systems-administrator](https://www.wearedevelopers.com/jobs/ext/2188838-z-os-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # z/OS Systems Administrator - **Company:** TWO95 International, Inc - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Unix, Job Control Language (JCL), Rexx (Programming Language), Systems Architecture, Z/OS, Diagnostic Tools, Tso/ispf - **Published:** August 22, 2026 - **Apply:** https://www.dice.com/job-detail/5f8cd29d-e2a2-4b26-8bf1-1c75b3eaa1e6 ## About the Role * 10+ years of hands-on SMP/E experience in enterprise IBM z/OS environments. * 10+ years of hands-on REXX scripting experience, including development of automation for systems administration and operational tasks. * Strong hands-on experience with IBM z/OSMF (z/OS Management Facility). * Extensive experience administering and supporting IBM z/OS in large enterprise environments. * Strong knowledge of z/OS system architecture, configuration, maintenance, and troubleshooting. * Experience installing and maintaining IBM and third-party mainframe software. * Extensive experience applying PTFs, APARs, maintenance packages, and software upgrades using SMP/E. * Strong understanding of SMP/E CSI structures, zones, SYSMOD processing, HOLDDATA, RECEIVE, APPLY, ACCEPT, and RESTORE processes. * Strong knowledge of JCL, TSO/ISPF, UNIX System Services (USS), and z/OS utilities. * Ability to diagnose complex system problems using z/OS logs, dumps, system messages, and diagnostic tools. * Strong understanding of mainframe change-management and production-control processes. * Excellent analytical, troubleshooting, documentation, and communication skills. * Ability to work independently and take ownership of complex technical issues. ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Coffee with Developers - Robby Russell](https://www.wearedevelopers.com/videos/917-coffee-with-developers-robby-russell) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025)