> Markdown version of [/jobs/ext/4599756-mainframe-developer-dallas-new-jersey-merrimack-chicago-atlanta](https://www.wearedevelopers.com/jobs/ext/4599756-mainframe-developer-dallas-new-jersey-merrimack-chicago-atlanta). 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 Developer (Dallas / New Jersey / Merrimack / Chicago / Atlanta) - **Company:** Capgemini - **Location:** Merrimack, NH, United States - **Salary:** $61,087.0 - $104,364.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Unit Testing, Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Software Debugging, Job Control Language (JCL), IBM WebSphere MQ, Job Scheduling, Mainframes, Performance Tuning, Standard Sql, Software Engineering, System Testing, Virtual Storage Access Methods, Software Application Programming, File-aid, Software Version Control, Control M - **Published:** November 6, 2026 - **Apply:** https://www.careerbuilder.com/job-details/mainframe-developer-dallas-new-jersey-merrimack-chicago-atlanta-merrimack-nh--69461579-17d5-41bd-bd96-c3c0365dfcf6 ## About the Role Mainframe Computer, Team Player, Business Solutions, Stock Purchase Plans, IBM z-OS Operating System, Mainframe Computer, Team Lead/Manager, Automation, IBM CICS (Customer Information Control System), Software Development ## Description * Your Demonstrated Expertise ("DE") in defining, developing, and leading an interactive team to implement scalable application solutions * Your DE in mainframe application development, automation, and support, utilizing COBOL, CICS, DB2, JCL, VSAM, MQ-Series, and SQL * Your DE in mainframe performance tuning and capacity planning, including ways to reduce I/Os, CPU Time, MSUs, and MIPs, using Strobe, iStrobe, and Platinum Detector * Your DE in mainframe application development including: file format and comparison using File-AID; version management using Endeavor; debugging and unit testing using Intertest and Abend-AID; and job scheduling using Control-M The Value You Deliver * Performing as a mainframe engineer within an Agile team, including requirements gathering, development, and end-to-end testing * Defining, developing, and leading interactive team to implement application level architecture, giving due consideration to application scalability and extensibility, and conformance to established standards * Providing on-site and on-call support as needed and acting as a subject matter expert as part of a cross-functional crisis management team * Developing applications on complex projects, components, and subsystems for the division * Recommending development testing tools and methodologies and reviewing and validating test plans * Resolving technical roadblocks involving multiple technologies and making recommendations and improvements to avoid them in the future * Collaborating with multiple layers of management to share approaches, develop solutions, and improve capabilities throughout the organization * Leading collaborative sessions and ceremonies with stakeholders and providing guidance and feedback to team members * Being responsible for QA readiness of software deliverables * Planning and conducting system testing * Developing comprehensive documentation for multiple applications or subsystems * Establishing full project life cycle plans for complex projects across multiple platforms * Being responsible for meeting project goals on-time and on-budget * Advising on risk assessment and risk management strategies for projects * Planning and coordinating project schedules and assignments for multiple projects * Acting as a primary liaison for business units to resolve various project/technology issues * Providing technology solutions to daily issues and technical evaluation estimates on technology initiatives * Performing independent and complex technical and functional analysis for multiple projects supporting several initiatives * Developing original and creative technical solutions to on-going development efforts