> Markdown version of [/jobs/ext/36753-mmis-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/36753-mmis-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). --- # MMIS Mainframe Developer - **Company:** Systemtec, Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $145,600.0 - **Contract:** Permanent contract - **Skills:** Unit Testing, Customer Information Control System (CICS), COBOL (Programming Language), Databases, IBM DB2, Relational Databases, Software Debugging, Endevor, Job Control Language (JCL), Mainframes, Enterprise Messaging Systems, Medicaid Management Information Systems (MMIS), SAS (Software), Data Streaming, Virtual Storage Access Methods, Software Troubleshooting, File-aid, Integration Tests, Legacy Systems - **Published:** May 15, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=934e1519c742ad4a ## About the Role Do you have experience in Systems & applications support?, * Applicants must be authorized to work for any employer in the U.S. We are unable to provide sponsorship or work with Third-Party agencies. * 10+ years of hands-on experience in Mainframe development environments * 10+ years of experience with MVS COBOL programming * 10+ years of experience writing and maintaining JCL * 10+ years of experience working with IDMS/Network databases * 10+ years of experience with DB2 * 7+ years of experience using CA-ADS * 5+ years of experience with ChangeMan * 5+ years of experience supporting CICS applications * 5+ years of experience working with VSAM files and datasets Preferred Skills/Experience of the MMIS Mainframe Developer: * Experience with SAS and File-Aid * Familiarity with MQ messaging technologies * Experience using Endevor and Xpediter/Xpeditor * Prior experience supporting Medicaid or Medicare claims processing systems * Strong troubleshooting, debugging, and documentation skills * Ability to communicate effectively with both technical and non-technical stakeholders ## Description SYSTEMTEC is seeking an MMIS Mainframe Developer for a remote opportunity working EST hours. Candidate will support enterprise mainframe applications by implementing code enhancements, troubleshooting production issues, and assisting with knowledge transfer initiatives within a complex legacy systems environment. This role involves collaboration with development, QA, and operational teams to maintain and improve mission-critical applications while supporting testing and ongoing production support activities., * Develop, modify, and maintain COBOL and CA-ADS applications in a mainframe environment * Implement code changes utilizing IDMS Network and relational database technologies * Perform debugging, unit testing, integration testing, and production support activities * Support QA, user acceptance testing, and external testing efforts by resolving defects and implementing updates * Create and maintain technical documentation related to system functionality, data flow, and application processes * Participate in rotational on-call support and collaborate with cross-functional teams on production and enhancement initiatives ## Related Videos - [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) - [".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) - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) ## Related Articles - [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) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)