Mainframe Legacy Modernization Engineer

Job Description:
• Analyze complex mainframe applications (COBOL, CICS, JCL, DB2, VSAM, MQ) to understand business rules, data flows, batch cycles, and system interdependencies. • Perform inventory analysis, call-chain analysis, and functional decomposition of monolithic applications. • Extract and document technical and business rules using automated discovery or reverse-engineering tools. • Design and implement modernization strategies including re-host, re-platform, re-factor, re-architect, replace, or retire approaches • Convert or refactor legacy COBOL logic into modern languages such as Java using automated tools or manual re-engineering techniques. • Apply incremental modernization patterns such as strangler-fig and coexistence models to reduce migration risk. • Modernize JCL-based batch processes into cloud-native batch frameworks (e.g., Spring Batch, workflow orchestration). • Support migration or re-engineering of scheduling, file transfer, and output management components. • Ensure functional parity and data integrity between legacy and modernized systems.

Job Requirements:
• 8-10 years of overall IT experience with a strong focus on mainframe application development and modernization. • Expert-level proficiency in COBOL and CICS transaction programming • Strong command of JCL, z/OS utilities (SORT, IDCAMS, IEBGENER), and batch processing • Deep knowledge of DB2 - SQL optimization, bind/rebind, and performance tuning for large financial datasets • Solid experience with VSAM file structures and access methods • Experience with API design, REST services, and integration middleware. • Knowledge of modernization patterns such as re-host, re-platform, re-write, and strangler-fig approaches. • Experience and knowledge working in Banking domain

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.