> Markdown version of [/jobs/ext/2603875-mainframe-applications-engineer](https://www.wearedevelopers.com/jobs/ext/2603875-mainframe-applications-engineer). 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 Applications Engineer - **Company:** The Joule - **Location:** Greenbelt, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C (Programming Language), Java (Programming Language), Agile Methodology, JIRA, C++ (Programming Language), Customer Information Control System (CICS), COBOL (Programming Language), Computer Programming, IBM DB2, Job Control Language (JCL), Systems Development Life Cycle, Exstream, Software Engineering, Extensible Stylesheet Language Transformations (XSLT), Mainframe Programming, OpenText - **Published:** August 20, 2026 - **Apply:** https://www.dice.com/job-detail/8e44a433-d481-4e78-bd65-1fa048fedafb ## About the Role * 10+ years of experience with IMF tax processing and Masterfile processing * 10+ years of expertise in ALC, JCL, COBOL, C, C++, Java development and O&M * Extensive experience with JCL, COBOL, C/C++, Java, CICS, DB2, ALC programming, and modernization support * 5+ years of experience with OpenText Exstream (or equivalent) including DM/Live Editor and scripting * Strong knowledge of XML/XSLT, Jira, and Agile methodologies * Excellent troubleshooting skills and ability to work independently in complex environments ## Description * Develop and maintain Mainframe applications with expertise in IMF tax processing and Masterfile processing * Utilize TDOL domain expertise to support application development and modernization efforts * Perform programming and operational maintenance using ALC, JCL, COBOL, C, C++, Java, and CICS * Lead testing and transmittals, including test planning, execution, and documentation using ALC, JCL, COBOL, C/C++, DB2, and Java * Participate in SDLC activities, including requirements gathering, documentation, and requirements analysis using OneSDLC and ELC/OneSDLC artifacts * Provide troubleshooting and support for complex Mainframe applications in an Agile environment ## 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) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## 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) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma) - [Java Basics](https://www.wearedevelopers.com/magazine/122-java-basics) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025)