Remote Mainframe Developer - COBOL/JCL (6-Month Contract)

HonorVet Technologies; Des Moines (IA); Remote; USD 83,000 - 131,000; Full time

Job summary

HonorVet Technologies is seeking an experienced Mainframe Developer (COBOL/JCL/IDMS) for a remote, 6‑month contract to modernize a statewide eligibility platform. You will develop COBOL programs, JCL jobs, and batch processes, and build file-based interfaces to ensure reliable data exchange between legacy and modern systems.

Responsibilities include testing, troubleshooting, and supporting deployment activities, with emphasis on file transformations, VSAM/GDG management, and IDMS subschema

Qualifications

• Experience developing and supporting COBOL/JCL on mainframe systems.
• Proven ability to modify and maintain batch processes and file interfaces.
• Familiarity with IDMS databases, VSAM datasets, and GDG structures.
• Strong problem-solving, testing, and documentation skills.

Responsibilities

• Develop and maintain COBOL programs and JCL batch jobs.
• Build and enhance file-based interfaces between legacy and modern apps.
• Modify data mappings, layouts, and transformation logic.
• Work with VSAM datasets, GDG structures, and batch workflows.
• Analyze IDMS schemas and subschemas; support DB access.
• Troubleshoot production issues and batch failures.
• Perform unit, system, integration, and UAT testing.
• Support deployment, migration, cutover, and production activities.
• Maintain technical documentation and procedures.
• Collaborate with business analysts, architects, testers, and teams.

Skills

COBOL

JCL

Mainframe batch processing

VSAM

GDG management

IDMS databases

Data mapping

File transformations

FTP/SFTP

Job scheduling (CA7/Control-M)

Legacy system integrations

Analytical troubleshooting

Communication

Tools

CA7

Control-M

FTP/SFTP

Job description

HonorVet Technologies is seeking an experienced Mainframe Developer (COBOL/JCL/IDMS) for a remote, 6‑month contract to modernize a statewide eligibility platform. You will develop COBOL programs, JCL jobs, and batch processes, and build file-based interfaces to ensure reliable data exchange between legacy and modern systems.

Responsibilities include testing, troubleshooting, and supporting deployment activities, with emphasis on file transformations, VSAM/GDG management, and IDMS subschema