Jobs → Engineering → Mainframe Developer

About the Role The State is undertaking a modernization initiative to replace an aging eligibility platform with a new statewide eligibility system (EDEN). The Mainframe Developer will play a key role in supporting the integration and transition between the legacy child support system and the new eligibility platform. Key Responsibilities • Develop, enhance, and maintain COBOL and JCL programs that process interface files between ICAR and EDEN • Modify file layouts, data mappings, transformation logic, and validation routines based on business and technical requirements • Enhance batch processing workflows, GDG structures, and VSAM datasets to support evolving integration requirements • Support modernization efforts by replacing legacy eligibility data sources with EDEN-derived data • Maintain and troubleshoot existing production processes and interfaces • Translate business and functional requirements into technical design specifications • Analyze existing mainframe applications and integration points to determine impacts of system changes • Modify and support applications that interact with IDMS databases, including schema and subschema navigation • Perform detailed record-level and field-level analysis of inbound and outbound interfaces Requirements • Experience with large-scale legacy modernization projects • Knowledge of production support, release management, and deployment practices • Experience working in Agile or hybrid project environments