> Markdown version of [/jobs/ext/1706778-systems-programmer-z-os](https://www.wearedevelopers.com/jobs/ext/1706778-systems-programmer-z-os). 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). --- # SYSTEMS PROGRAMMER Z/OS - **Company:** ALLIANCE SOURCING NETWORK - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** COBOL (Programming Language), Software Debugging, Monitoring of Systems, Rexx (Programming Language), Mainframes, Performance Tuning, Z/OS - **Published:** July 22, 2026 - **Apply:** https://www.dice.com/job-detail/a0913341-b3e9-41b0-a4dc-2a5554546cd5 ## About the Role PROVEN SKILLS AS A LEAD Z/OS SYSTEMS PROGRAMMER (MAIN FOCUS OF SKILLS) * Z/OS PRODUCT INSTALLATION & SUPPORT (CA PRODUCTS, IBM) * Plan and execute z/OS upgrades, refreshes, and modernization initiatives * USER EXITS (REXX, COBOL, BAL/ASSEMBLER) * I/O CONFIGURATION EXPERTISE * Z/OS MAINFRAME PERFORMANCE AND TUNING * DEBUGGING SKILLS * STRONG KNOWLEDGE OF MONITORING TOOLS ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality) - [Using AI Without Losing Your Skills](https://www.wearedevelopers.com/videos/2045-using-ai-without-losing-your-skills) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [What I learned as a developer from accidents in space](https://www.wearedevelopers.com/videos/642-what-i-learned-as-a-developer-from-accidents-in-space) ## 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) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Java Basics](https://www.wearedevelopers.com/magazine/122-java-basics) - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma)