Job description
- Lead end to end technical ownership of mainframe applications built on Cobol CICS VSAM JCL and DB2 to ensure high reliability performance and scalability for critical business services.
- Guide detailed solution design by translating business requirements into efficient Cobol programs optimized DB2 schemas and robust CICS and VSAM configurations that align with long term platform strategy.
- Oversee code development and review activities by enforcing coding standards reusability practices and thorough peer reviews so that defects and production incidents are substantially reduced.
- Coordinate integration of batch and online components using JCL CICS transactions and VSAM data structures to maintain seamless interaction across upstream and downstream systems.
- Provide deep mainframe troubleshooting expertise by analyzing abends performance bottlenecks and resource contention issues and implementing sustainable corrective actions.




- Drive incremental modernization initiatives by identifying legacy Cobol and CICS components suitable for refactoring or optimization while maintaining stability of existing business processes.
- Collaborate closely with business analysts and product stakeholders to clarify requirements estimate effort and propose technical options that balance cost risk and long term maintainability.
- Support deployment activities in day time shifts by preparing implementation plans validating JCL changes and coordinating with operations teams to achieve error free releases.
- Maintain comprehensive technical documentation for Cobol modules CICS maps VSAM file layouts and DB2 objects so that future maintenance audits and onboarding are streamlined.
- Ensure solid focus on data quality and integrity by designing robust DB2 constraints VSAM file structures and validation logic inside Cobol programs to prevent downstream data issues.
- Mentor junior engineers on mainframe concepts such as CICS transaction design JCL best practices and ef

📌 Mainframe developer- 5-da Work from office-Chennai, Pune, Kolkata (India)
🏢 Cognizant
📍 India