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Mainframe / CICS Developer

Job

MissionStaff

Washington, DC (In Person)

Full-Time

Posted 1 week ago (Updated 3 days ago) • Actively hiring

Expires 6/16/2026

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Job Description

Job Description We are seeking a Mainframe / CICS Developer to support enterprise federal systems. This position will work on high-volume transactional applications involving COBOL, CICS, DB2, MQ, JCL, and batch processing . The ideal candidate understands both development and production support in a mainframe environment and can troubleshoot application, transaction, and system issues. Responsibilities Develop and maintain mainframe applications using COBOL, CICS, JCL, and DB2. Support CICS transactions, regions, and application performance. Troubleshoot transaction errors, batch failures, and production incidents. Support integrations between mainframe applications and other enterprise systems. Analyze system requirements, code, and documentation. Participate in testing, deployment, and system modernization activities. Work with technical teams, business users, and program stakeholders. Required Skills
COBOL CICS JCL DB2 MQ VSAM
Mainframe production support Batch and online transaction processing Troubleshooting and debugging Technical documentation Preferred Qualifications Experience with CICS administration or CICS region support. Experience with federal mainframe environments. Experience supporting modernization or integration efforts.

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