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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Developer - **Company:** FIS, Inc. - **Location:** Atlanta, GA, United States - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Job Control Language (JCL), Mainframes, Systems Development Life Cycle, Software Engineering, Enterprise Software Applications - **Published:** August 31, 2026 - **Apply:** https://www.dice.com/job-detail/fb1dc5b8-ec04-4740-96a8-57188a8aef43 ## About the Role * 12-15 years of Mainframe development experience. * Strong hands-on experience with: + COBOL + CICS + DB2 + JCL * Extensive experience with FIS Core Banking Systems, including: + RM + GN + IM + AM + SC * Proven experience in application troubleshooting, incident resolution, and production support. * Strong understanding of software development lifecycle and enterprise application development. * Excellent analytical, problem-solving, and troubleshooting skills. * Strong communication and stakeholder collaboration skills. * Ability to manage multiple priorities in a fast-paced environment. * Strong presentation, documentation, and organizational skills. * Experience leading or overseeing technical teams through project lifecycles., * Experience working within the credit union or banking industry. * Experience supporting core banking applications in production environments. * Strong understanding of financial services business processes. * Experience working with cross-functional teams and business stakeholders. ## Description We are seeking an experienced Mainframe Developer with 12-15 years of experience in COBOL-based mainframe development and strong expertise in FIS Core Banking Systems. The ideal candidate will have hands-on experience with RM, GN, IM, AM, and SC modules and will be responsible for developing, supporting, troubleshooting, and managing core banking applications., * Design, develop, enhance, and maintain mainframe applications using COBOL, CICS, DB2, and JCL. * Develop and implement solutions following established SDLC methodologies. * Provide expert-level technical support for FIS Core Banking Systems, including RM, GN, IM, AM, and SC. * Analyze and resolve production incidents and application issues using a proactive ownership approach. * Troubleshoot complex technical problems and identify root causes and appropriate solutions. * Work closely with business users, technical teams, and other stakeholders to understand requirements and deliver solutions. * Direct and oversee technical teams throughout project lifecycles when required. * Quickly adapt priorities based on changing business and project needs. * Present technical findings, analysis, and recommendations clearly to stakeholders. * Maintain strong attention to detail, documentation, and organizational standards. ## Related Videos - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [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) - [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) - [The Avengers Initiative (Practical Ethics for Software Engineers)](https://www.wearedevelopers.com/videos/2070-the-avengers-initiative-practical-ethics-for-software-engineers) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [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) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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)