MAINFRAME DEVELOPER :: Des Moines, IA (Remote)

Mainframe Developer - Des Moines, IA (Remote)

Duration: 6+ months

Position Summary:

Seeking for a Mainframe Developer to design, develop, modify, test, and support mainframe programs and batch processes. This role focuses on integrating the legacy Child Support Enforcement system (ICAR) with the new Eligibility Determination system (EDEN). The developer will work closely with various teams to ensure seamless data exchange and support modernization efforts.

Responsibilities:

• Develop and maintain COBOL and JCL programs for interface file processing between ICAR and EDEN.
• Modify file layouts, data mappings, and processing workflows as per requirements.
• Support the transition from legacy data sources to modernized eligibility services.
• Translate business requirements into technical design specifications.
• Develop unit test scenarios and support testing activities.
• Create and maintain operational documentation and support deployment activities.
• Collaborate with project managers, business analysts, and stakeholders.

Required Technical Skills:

• COBOL programming
• JCL (Job Control Language)
• VSAM datasets, indexing, REPRO/DEFINE utilities
• IDMS database development and support
• Batch processing development and support
• Flat file design and parsing
• Data transformation and interface mapping
• GDG management and dataset lifecycle administration
• FTP/SFTP processing and troubleshooting
• File transfer automation
• Scheduling tools such as CA7, Control-M, or equivalent platforms
• Legacy system modernization experience
• Multi-system data integration and interface support
• Technical specification interpretation
• Root cause analysis and troubleshooting
• Strong analytical and problem-solving skills

Required Qualifications:

• Hands-on mainframe development experience.
• Strong expertise in COBOL, JCL, and batch processing.
• Experience with IDMS or comparable mainframe database technologies.
• Experience with VSAM datasets and file-processing applications.
• Experience supporting application integrations and data exchange processes.
• Experience analyzing and modifying legacy systems.
• Strong verbal and written communication skills.
• Ability to work independently and collaboratively in a team environment.

Preferred Qualifications:

• Experience supporting Child Support Enforcement systems or Human Services programs.
• Experience with eligibility systems, public assistance systems, or government modernization initiatives.
• Experience with large-scale legacy modernization projects.
• Knowledge of production support, release management, and deployment practices.
• Experience working in Agile or hybrid project environments.