Jobs → Engineering → Mainframe Developer

About the Role The State of Iowa is seeking an experienced Mainframe Developer to support Child Support Recovery Unit (CSRU) applications and modernization initiatives. This role requires strong expertise in mainframe technologies and legacy system modernization. Key Responsibilities • Support and modernize CSRU applications • Develop and maintain COBOL programs • Work with JCL, IDMS databases, and batch processing • Implement data transformations and interface mappings • Manage dataset lifecycle and GDG administration • Troubleshoot FTP/SFTP processing issues • Utilize scheduling tools like CA7 and Control-M • Analyze and modify legacy systems • Support application integrations and data exchange processes Requirements • Strong expertise in COBOL programming • Experience with JCL (Job Control Language) • Knowledge of VSAM datasets, indexing, and REPRO/DEFINE utilities • IDMS database development and support experience • Batch processing development and support • Flat file design and parsing skills • Data transformation and interface mapping experience • GDG management and dataset lifecycle administration • FTP/SFTP processing and troubleshooting • File transfer automation • Experience with 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 • Data mapping and transformation logic • Strong verbal and written communication skills • Ability to work independently and collaboratively in a team environment • 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