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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - Mainframe - **Company:** UNUM Group - **Location:** Dunwoody, GA, United States - **Experience:** Expert - **Salary:** $98,340.0 - $201,900.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Unit Testing, COBOL (Programming Language), IBM DB2, Software Debugging, Job Control Language (JCL), Mainframes, Software Engineering, Software Manufacturing, Data Streaming, Virtual Storage Access Methods, Mainframe Programming, Information Technology - **Published:** June 30, 2026 - **Apply:** https://dejobs.org/x/x/06A12D16B76F410B952E1EA5A44C8E8A/job/ ## About the Role * Bachelors of Computer Science is preferred, or equivalent relevant business experience * 6+ years experience in software development and delivery track record in a range or roles in a scrum environment * Strong proficiency in COBOL, JCL, DB2, IMS, and VSAM * Experience supporting both batch and online mainframe applications * Hands-on experience using BMC/Topaz Workbench for development and debugging * Experience using Xpediter for testing and troubleshooting mainframe applications * Skilled in Agile development/methodologies * Ability to analyze complex systems, data flows, and dependencies across multiple applications * Demonstrates excellent oral and written communication skills; experience leading groups of people through discussions, technical or otherwise ## Description Our Fortune 500 company is driving a digital transformation and looking for forward-thinking innovators to disrupt how our industry thinks about and uses technology. As one of the world's leading employee benefits providers, we help millions of people gain affordable access to benefits that help them protect their families, their finances and their futures. Are you an asker of questions, a solver of problems, and a challenger of the status quo? Our mission is to provide a differentiated customer experience and exceed the expectations people have of technology at any company - not just insurers. We are seeking individuals to join our team of talented IT professionals who share never-ending passion and an unwavering focus on our customer experience. Team members comfortable working in an agile, fast-paced, and delivery-focused environment thrive in our environment where we value an entrepreneurial spirit and those who challenge the status-quo., The Senior Software Engineer plays a key role in the conceptualization, design, development, and delivery of mainframe solutions in partnership with business area architects. As an integral member of an Agile team, the individual ensures that all delivered solutions align with established architecture standards and may evaluate third-party technologies to support successful integration., In this role, the Senior Software Engineer serves as a subject matter expert with deep application and technology expertise. The individual also plays a critical role in mentoring Software Engineers and Associate Software Engineers, helping to develop and grow future talent within Agile teams., * Leads the conceptualization, design, development, implementation, and maintenance of new and existing features for Mainframe applications. * Develop and maintain COBOL programs, JCL, DB2, IMS, and VSAM structures across batch and online environments * Collaborates with Principal SE and architects on coding standards, processes, tooling and frameworks * Analyze business and technical requirements to determine appropriate design approaches and implementation strategies * Collaborate with Grow teams, architects, and business partners to design and deliver solutions that meet functional and performance expectations * Designs, prioritizes, codes, configures, unit tests, maintains, and documents software deliverables using agreed upon standards and tools. * Participate in controlled production releases, including warranty support consisting of issue analysis and defect resolution * Contribute to technical documentation and knowledge sharing to support long-term system maintainability * Provides ongoing and appropriate mentorship for Software Engineers and Associate Software Engineers * Adapt to varying levels of modernization work depending on the nature of the request, including APIs or service-based integrations * Collaborates with team members to confirm understanding of business requirements, develop solutions with adequate testing, and transition software production environments ## Related Videos - [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) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [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) - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [".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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)