Mainframe Assembler Developer

Job Title: Mainframe Assembler Developer Location: Toronto Experience Required: 68 Years Role Summary We are seeking an experienced Mainframe Assembler Developer with strong production support capabilities and deep expertise in Mainframe Assembler (MVS), JCL, and enterprise batch processing. The ideal candidate will independently analyze, design, develop, and troubleshoot Mainframe-based applications while supporting mission-critical production environments. Key Responsibilities Technical Responsibilities Conduct independent analysis and assessment to resolve Mainframe programming issues. Design, develop, modify, and maintain Assembler (MVS) programs and JCL to support application and project requirements. Perform production support activities including troubleshooting, defect resolution, performance optimization, and incident handling. Support system enhancements, product upgrades, and new development initiatives. Production & Operational Support Provide on-call support on a rotationa...