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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Engineer/Developer - Client Site - **Company:** NTT DATA, Inc. - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), Static Program Analysis, IBM DB2, Software Debugging, File Transfer, Job Control Language (JCL), Job Scheduling, Mainframes, Routing, Software Maintenance, Virtual Storage Access Methods, File Transfer Protocol (FTP), File-aid, Mainframe Programming - **Published:** August 7, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/mainframe-engineer-developer-client-site-new-jersey-usa-58825421 ## About the Role Experteer Overview As a Mainframe Engineer/Developer, you will design, build, test, and support mainframe applications in a collaborative tech team. You will move code from development to production, ensuring reliable, high-quality solutions for business stakeholders. This role offers Hands-on mainframe work with COBOL, CICS, and DB2, plus opportunities to optimize performance and reliability. You'll contribute to cross-functional efforts and enterprise-scale projects, driving impact across systems and teams. Compensation / Benefits * Develop, enhance, test, and debug mainframe applications * Perform code analysis, troubleshooting, and production support * Collaborate with infrastructure and environment teams to promote code across environments * Work with business and technical stakeholders to deliver reliable solutions * Participate in application maintenance, enhancements, and issue resolution Tasks * 5+ years of experience developing and debugging mainframe applications * 5+ aa and of COBOL development experience * Strong experience with CICS, COBOL, DB2, VSAM, MQ, JCL * Experience with Endeavor Software Manager * Familiarity with DB2 utilities, File-AID, job schedulers, and debugging tools * Knowledge of secure file transfer processes (SFTP/AWX) * Understanding of CICS Dynamic Transaction Routing (preferred) * Strong communication and collaboration skills; able to work independently or in a team Key requirements * medical, dental, and vision insurance with employer contribution * 401k with company match * paid time off * flexible spending account or health savings account * life and AD&D insurance * short- and long-term disability ## Description Experteer Overview As a Mainframe Engineer/Developer, you will design, build, test, and support mainframe applications in a collaborative tech team. You will move code from development to production, ensuring reliable, high-quality solutions for business stakeholders. This role offers Hands-on mainframe work with COBOL, CICS, and DB2, plus opportunities to optimize performance and reliability. You'll contribute to cross-functional efforts and enterprise-scale projects, driving impact across systems and teams. Compensation / Benefits * Develop, enhance, test, and debug mainframe applications * Perform code analysis, troubleshooting, and production support * Collaborate with infrastructure and environment teams to promote code across environments * Work with business and technical stakeholders to deliver reliable solutions * Participate in application maintenance, enhancements, and issue resolution Tasks * 5+ years of experience developing and debugging mainframe applications * 5+ years of COBOL development experience * Strong experience with CICS, COBOL, DB2, VSAM, MQ, JCL * Experience with Endeavor Software Manager * Familiarity with DB2 utilities, File-AID, job schedulers, and debugging tools * Knowledge of secure file transfer processes (SFTP/AWX) * Understanding of CICS Dynamic Transaction Routing (preferred) * Strong communication and collaboration skills; able to work independently or in a team Key requirements * medical, dental, and vision insurance with employer contribution * 401k with company match * paid time off * flexible spending account or health savings account * life and AD&D insurance * short- and long-term disability ## 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) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [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) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)