Mainframe Developer

BuzzClan; Iowa; On-site; USD 90,000 - 120,000; Full time

Job summary

BuzzClan is seeking an experienced Mainframe Developer to support a statewide modernization initiative, integrating the legacy Child Support Enforcement System with modern processes.

The role requires hands-on COBOL and JCL (minimum 3 years), IDMS database development, VSAM/GDG batch processing, and file transfer automation. Strong troubleshooting and multi-system integration skills are essential for production support and releases.

Qualifications

• Minimum 3 years of COBOL/JCL experience.
• Hands-on IDMS database development and support.
• Experience with VSAM datasets, GDG management, and batch processing.
• Knowledge of flat file design, parsing, data mapping, and transformation.
• Experience with FTP/SFTP and file transfer automation.
• Familiarity with CA7, Control-M, or equivalent scheduling tools.
• Experience in legacy system modernization and multi-system integration.
• Strong troubleshooting and root cause analysis skills.
• Child Support Enforcement or Human Services systems experience is a plus.
• Eligibility or public assistance system experience is a plus.
• Production support, deployment and release management experience.

Skills

COBOL

JCL

IDMS

VSAM

GDG management

Batch processing

Data mapping

FTP/SFTP

Troubleshooting

Legacy modernization

Public assistance domain

Production support

Tools

CA7

Control-M

Job description

We are looking for an experienced Mainframe Developer to support a major statewide modernization initiative involving the integration of the legacy Child Support Enforcement System (ICAR) with the new Eligibility Determination System (EDEN).

• Minimum 3 years of experience in COBOL and JCL.
• Strong hands-on experience with IDMS database development and support.
• Experience with VSAM datasets, GDG management, and batch processing.
• Knowledge of flat file design, parsing, data mapping, and transformation.
• Experience with FTP/SFTP and file transfer automation.
• Familiarity with CA7, Control-M, or equivalent scheduling tools.
• Experience in legacy system modernization and multi-system integration.
• Strong troubleshooting and root cause analysis skills.
• Child Support Enforcement or Human Services systems experience.
• Eligibility or public assistance system experience.
• Production support, deployment, and release management experience.