Mainframe Developer(Chicago, IL-Onsite) | Only W2

Any W2 Job Details: Develop and maintain mainframe applications using COBOL to support business processes. Design, write, and optimize JCL jobs for batch processing and scheduling. Work with DB2 databases for data storage, retrieval, query optimization, and performance tuning. Develop and support CICS online programs for Realtime transaction processing. Handle VSAM files for data storage, access, and file management operations. Analyze business requirements and provide techno functional solution

Job Title: Senior Mainframe Developer Work Location & Reporting Address: Chicago, IL 60604 Rate: $50/hr w2 Client: Infosys (Visa Independent candidates) Position: 2 Contract duration 12 Target Start Date 06 Aug 2026 Job Details: Develop and maintain mainframe applications using COBOL to support business processes. Design, write, and optimize JCL jobs for batch processing and scheduling. Work with DB2 databases for data storage, retrieval, query optimization, and performance tuning. Devel

Role: Mainframe Production Support Location: Chicago, IL (100% On-site) Duration: 12 Months Pay Rate: $60.00/hr On W2 or 70/hr on C2C Role Summary Seeking a 10+ years experienced Mainframe Production Support Specialist for a 100% on-site role in Chicago, IL. The ideal candidate will possess deep expertise supporting mission-critical batch and real-time transaction applications built on COBOL, JCL, DB2, CICS, and VSAM. Responsibilities include L2/L3 production ticket resolution, batch job monitor

Senior Mainframe Developer / Application Modernization Consultant | Contract | Remote Senior Mainframe Developer / Application Modernization ConsultantJob Type: Contract Location: Remote Experience: 10+ YearsJob OverviewWe are seeking an experienced Senior Mainframe Developer / Application Modernization Consultant with strong hands-on experience in enterprise Mainframe application development, analysis, maintenance, production support, and legacy modernization initiatives.The ideal candidate wil