Mainframe Legacy Modernization Engineer

*LOCAL CANDIDATES ONLY*
*THE CLIENT INTERVIEW MAY BE IN-PERSON OR VIRTUAL CANDIDATES MUST BE OPEN TO BOTH*
*Mainframe - CICS IS A MANDATORY SKILL*

Skill Metrics:

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