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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Programmer - **Company:** ETeam Inc - **Location:** Sheffield, UK (Remote available) - **Contract:** Permanent contract - **Skills:** CLIST, Computer Programming, System Configuration, IBM Parallel Sysplex, Job Control Language (JCL), Rexx (Programming Language), Mainframes, Product Software Implementation Methods, Z/OS, Tso/ispf, Performance Monitor, Omegamon - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815175602-mainframe-programmer ## About the Role * Upgrading, maintaining and supporting the z/OS operating system. * Upgrading, maintaining and supporting ISV products particularly from the vendors IBM and Computer Associates (CA). * Production support. * Must have extensive experience of Mainframe systems programming. * Must have knowledge of a combination of z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL. * Must have knowledge of IBM and CA Products and be able to work independently. * Must have excellent problem determination skills and be a true team player. * Required to provide off hours support for the implementation of software changes and support for other projects requiring software expertise as well as be part of an on-call rotation set and achieved challenging short, medium and long term goals which exceeded the standards in their field. * Excellent written and spoken communication skills; an ability to communicate with impact, ensuring complex information is articulated in a meaningful way to wide and varied audiences. * Built effective networks across business areas, developing relationships based on mutual trust and encouraging others to do the same. * Have some experience of creating and deploying comprehensive business/operating plans which consistently deliver desired results. * A comprehensive understanding of risk management and proven experience of ensuring own and others' compliance with relevant regulatory process., * Assembler, Automation, GDPS, Rexx and CLIST skills. * Proficient in Top Secret skills. * Performance monitoring using Omegamon, RMF, SMF and S. ## Description Location: Sheffield - Hybrid 60% office - 40% Remote Duration: 30/11/2026 Job Description * The z/OS Systems Programmer should have technical, domain level and specialist skills to ensure that all the engineering services are operated, maintained and constantly upgraded as technology advances. * There can be multiple functions within the job involving multiple products and technologies. Including but not limited to programming, support to maintain essential environmental conditions & analysis - creating functional/technical design solutions. The job holder may specialise in a single or combination of those functions/technologies. They will be involved in overseeing the deployment, planning, configuration & testing. Key Skills * Upgrading, maintaining and supporting the z/OS operating system. * Upgrading, maintaining and supporting ISV products particularly from the vendors IBM and Computer Associates (CA). * Production support. * Must have extensive experience of Mainframe systems programming. * Must have knowledge of a combination of z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL. * Must have knowledge of IBM and CA Products and be able to work independently. * Must have excellent problem determination skills and be a true team player. * Required to provide off hours support for the implementation of software changes and support for other projects requiring software expertise as well as be part of an on-call rotation set and achieved challenging short, medium and long term goals which exceeded the standards in their field. * Excellent written and spoken communication skills; an ability to communicate with impact, ensuring complex information is articulated in a meaningful way to wide and varied audiences. * Built effective networks across business areas, developing relationships based on mutual trust and encouraging others to do the same. * Have some experience of creating and deploying comprehensive business/operating plans which consistently deliver desired results. * A comprehensive understanding of risk management and proven experience of ensuring own and others' compliance with relevant regulatory process. Additional (Optional) Skills * Assembler, Automation, GDPS, Rexx and CLIST skills. * Proficient in Top Secret skills. * Performance monitoring using Omegamon, RMF, SMF and S. ## Related Videos - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) ## 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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)