> Markdown version of [/jobs/ext/3142774-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/3142774-mainframe-developer). 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). --- # Mainframe Developer - **Company:** Vision Square - **Location:** McLean, VA, United States - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Software Debugging, Job Control Language (JCL), Rexx (Programming Language), Mainframes, Scrum Methodology, Standard Sql, Software Engineering, Virtual Storage Access Methods - **Published:** September 29, 2026 - **Apply:** https://www.dice.com/job-detail/662ff0a0-16fa-4cc2-ab06-ce7fac982be7 ## About the Role * Strong experience with COBOL and REXX * Experience with JCL, DB2, and CICS * Mainframe batch and online application development * Strong debugging and troubleshooting skills * Experience with production support * Good understanding of VSAM and SQL * Ability to work in an Agile/Scrum environment is a plus * Strong communication and problem-solving skills ## Description We are looking for an experienced Mainframe Developer with strong hands-on experience in COBOL and REXX to develop, maintain, and support enterprise mainframe applications. ## 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) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [".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) ## 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) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [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)