Mainframe developer- 5-da Work from office-Chennai, Pune, Kolkata

Job description

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 strong 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 efficient VSAM usage empowering them to take ownership of complex tasks over time. - Partner with quality engineering teams to define test strategies test data needs and automation approaches for mainframe components improving overall coverage and reducing regression risk. - Contribute to continuous improvement by analyzing incident trends and change outcomes proposing actionable enhancements in design tooling or process that strengthen platform resilience. **Qualifications** - Possess solid professional experience of eight to twelve years working on enterprise scale mainframe solutions using Cobol CICS VSAM JCL and DB2 in production environments. - Demonstrate advanced proficiency in Cobol programming including structured coding techniques file handling error management and performance oriented logic design. - Exhibit strong practical knowledge of CICS including transaction setup map and screen handling resource definition and performance tuning for high volume workloads. - Show hands on experience with VSAM including design of file structures access paths and tuning strategies suitable for large data sets and fast response requirements. - Apply deep understanding of JCL including job setup scheduling parameters utilities usage and restart strategies to support reliable batch processing operations. - Use extensive DB2 experience including design of normalized schemas query optimization and implementation of robust data integrity rules for complex application domains. - Demonstrate clear communication abilities and collaborative working style suitable for hybrid work arrangements supporting coordination across onsite and remote team members. **Certifications Required** Preferred certifications include IBM Certified Specialist CICS and IBM Certified Database Administrator DB2.