Senior Mainframe Developer

About This Role

Lead end-to-end solution design, development, and optimization of complex mainframe systems, focusing on COBOL, JCL, DB2, and CICS. Drive modernization initiatives, mentor junior developers, and ensure technical excellence and compliance.

Responsibilities

• Own end-to-end solution design, impact analysis, and technical architecture for complex systems
• Develop, optimize, and review COBOL programs, JCL jobs, DB2 queries, and CICS transactions
• Lead performance tuning for batch windows, DB2 access paths, and CICS TPS optimization
• Manage code promotion, release planning, and ensure compliance with audit and security standards
• Drive modernization initiatives (API enablement, DevOps pipelines)
• Mentor and coach junior developers; enforce coding standards and best practices
• Collaborate with cross-functional teams (BA, QA, Ops, DBA) and manage stakeholder expectations
• Provide production support leadership, RCA for critical incidents, and implement permanent fixes
• Prepare technical documentation, runbooks, and contribute to governance frameworks
• Stay updated with the latest industry trends and technologies related to mainframe development

Requirements

• Advanced COBOL programming, modular design, error handling, performance optimization
• Complex JCL job streams, utilities (SORT, IDCAMS), scheduling dependencies
• Advanced DB2 SQL, stored procedures, triggers, bind/package management, performance tuning
• VSAM dataset design, IDCAMS scripting, recovery strategies
• CICS transaction design, pseudo-conversational flows, resource definitions, BMS maps
• Expertise in debugging tools (Abend-AID, Xpediter), File-AID
• Job schedulers (CA7/Control-M)
• Strong knowledge of SDLC, Agile practices, and change management processes
• Leadership in code reviews, mentoring, and technical governance

Skills

* Required skills