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# MAINFRAME DEVELOPER

- **Company:** HonorVet Technologies
- **Location:** United States (Remote available)
- **Contract:** Contract
- **Skills:** Agile Methodology, Batch Processing, COBOL (Programming Language), Databases, Data Mapping, File Systems, Electronic Data Interchange (EDI), File Transfer, Job Control Language (JCL), IBM Mainframe, Job Scheduling, Mainframes, Release Management, Software Deployment, Software Engineering, Virtual Storage Access Methods, File Transfer Protocol (FTP), Control M
- **Published:** November 11, 2026
- **Apply:** https://www.dice.com/job-detail/2202614c-49b4-46f5-9769-0e2b6a00e6ec

## About the Role

* Strong hands-on experience with COBOL and JCL.
 * Experience with mainframe batch processing and production support.
 * Hands-on experience with VSAM datasets and GDG management.
 * Experience with IDMS databases, including schema and subschema concepts.
 * Knowledge of flat-file processing, data mapping, and file transformations.
 * Experience with FTP/SFTP and automated file transfers.
 * Familiarity with CA7, Control-M, or similar job scheduling tools.
 * Experience supporting legacy system integrations and modernization projects.
 * Strong analytical, troubleshooting, and communication skills., * Experience with ADS/O and IDMS-COBOL integration.
 * Experience in Child Support Enforcement or Human Services systems.
 * Background in government eligibility or public assistance systems.
 * Experience with large-scale legacy modernization initiatives.
 * Knowledge of Agile or hybrid project environments.
 * Experience with release management and production deployment.

## Description

The consultant will be responsible for developing, enhancing, testing, and maintaining COBOL programs, JCL jobs, batch processes, and file-based interfaces to ensure accurate and reliable data exchange between legacy and modern systems., * Develop, modify, and maintain COBOL programs and JCL batch jobs.

 * Build and enhance file-based interfaces between legacy and modern applications.
 * Modify file layouts, data mappings, transformation logic, and validation routines.
 * Work with VSAM datasets, GDG structures, and batch processing workflows.
 * Analyze and support IDMS databases, including schema and subschema navigation.
 * Troubleshoot production issues, batch failures, and data discrepancies.
 * Perform unit, system, integration, regression, and UAT testing.
 * Support system deployment, migration, cutover, and production activities.
 * Maintain technical documentation, program specifications, and operational procedures.
 * Collaborate with business analysts, architects, testers, and technical teams.