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# MAINFRAME DEVELOPER

- **Company:** Congensys Corp
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** COBOL (Programming Language), Data Integration, Data Mapping, Data Migration, Database Development, File Systems, Job Control Language (JCL), Mainframes, Release Management, Software Engineering, Virtual Storage Access Methods
- **Published:** November 12, 2026
- **Apply:** https://www.dice.com/job-detail/efff42d3-e595-4fa3-9ed1-8737d20ce829

## About the Role

* Strong hands-on experience with COBOL programming.
 * Strong JCL development and maintenance experience.
 * IDMS database development and support.
 * VSAM datasets and file processing.
 * Mainframe application development and production support.
 * Batch job development, maintenance, and troubleshooting.
 * GDG management and dataset lifecycle administration.
 * Flat-file processing, file layouts, and data mapping.
 * Data integration and exchange between legacy and modern systems.
 * Root cause analysis and production issue resolution., * State Government / State Agency project experience.
 * Medicaid, Child Support Enforcement, Human Services, or Public Assistance domain experience.
 * Eligibility-system modernization experience.
 * Experience with data migration and legacy application modernization.
 * Agile / Scrum methodology.
 * Technical documentation, release management, and deployment support., * Candidates must have strong hands-on COBOL, JCL, IDMS, and VSAM experience.

## Description

We are seeking an experienced Mainframe Developer to support a major eligibility-system modernization initiative.

The selected candidate will maintain and enhance integrations between legacy Child Support Enforcement systems and a modern eligibility platform.