> Markdown version of [/jobs/ext/1903176-z-os-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1903176-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:** DMS Vision, Inc. - **Location:** United States (Remote available) - **Contract:** Temporary contract - **Skills:** Software Documentation, System Configuration, Data Files, Disaster Recovery, IBM Mainframe, Mainframes, Z/OS, Enterprise Software Applications, System Availability - **Published:** July 31, 2026 - **Apply:** https://www.dice.com/job-detail/d293de95-bc80-41b1-92de-9fefa86e270f ## About the Role * Strong experience as a z/OS Systems Administrator or Mainframe System Programmer. * Hands-on expertise with HCD (Hardware Configuration Definition). * Experience building and maintaining IOCDS. * Strong knowledge of FICON switches and IBM Z hardware configuration. * Experience supporting enterprise production mainframe environments. * Excellent troubleshooting, analytical, and problem-solving skills., * Experience with IBM Z enterprise systems. * Knowledge of disaster recovery and capacity planning. * Familiarity with enterprise change management and infrastructure best practices. ## Description We are actively hiring an experienced z/OS Systems Administrator for a 100% Remote, 12+ month contract. If you have strong IBM Mainframe infrastructure experience and expertise in hardware configuration and I/O management, we'd love to hear from you!, * Administer and support IBM z/OS mainframe environments. * Manage mainframe hardware configurations using Hardware Configuration Definition (HCD). * Build, maintain, and validate IOCDS (I/O Configuration Data Sets). * Configure and support FICON switches and storage connectivity. * Perform hardware planning, configuration changes, and system upgrades. * Troubleshoot hardware, I/O, and system configuration issues. * Coordinate with infrastructure, storage, and network teams to ensure high availability and performance. * Maintain system documentation and follow enterprise change management processes. ## 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) - [Introduction to TXT](https://www.wearedevelopers.com/videos/30-introduction-to-txt) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Implementing continuous delivery in a data processing pipeline](https://www.wearedevelopers.com/videos/73-implementing-continuous-delivery-in-a-data-processing-pipeline) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) ## 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) - [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) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data)