> Markdown version of [/jobs/ext/4505410-lead-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/4505410-lead-mainframe-developer). 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). --- # Lead Mainframe Developer - **Company:** PROLIM Global Corporation - **Location:** Indianapolis, IN, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** COBOL (Programming Language), Databases, IBM DB2, Job Control Language (JCL), IBM Mainframe, IBM WebSphere MQ, IBM Information Management System, Mainframes, Queueing Systems, Software Engineering, Spring-boot, Virtual Environment, Git - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lead-mainframe-developer-indianapolis-in--9487fb2b-1319-45c4-a63b-58faa4f5b5e4 ## About the Role Mainframe Computer, Mainframe Computer, Software Development, IBM Mainframe, IBM WebSphere MQ (Message Queue), Production Support, JCL (Job Control Language), Cobol Programming Language, IBM DB2, IBM IMS Database, * Strong communication skills. * Willing to ask questions; offer recommendations; participate/lead in virtual environment * Demonstrated quick learner * Should have good working knowledge of Spring Boot and Git ## Description Mainframe Application Developer with Strong experience in IBM mainframes, Cobol, IMS DB, DB2, JCL, MQ series & Xpeditor, minimum with 5 to 8 years of experience, No production support profiles. * Design, Code, test and maintain applications * Assist Quality Assurance teams in testing applications * Peer review code and technical documents for other team members * Participate in On-call rotation to resolve applications failures * Assist in research and issue resolution for processing of business data * Monitor and trouble-shoot system performance, resolve issues (on-call issues, performance issues, etc.) and coordinate with respective support teams to resolve software and hardware issues. * IBM mainframes, Cobol, IMS DB, DB2, JCL, MQ series & Xpeditor * Self-starter with exceptional initiative. * Willing to go after work to stretch skill breadth/depth and support team. * Goes after (pulls) opportunities rather than sitting back waiting for push.