Engineer designing, planning, and implementing cloud infrastructure for diverse clients in Defence Enterprise Business Unit. Support operations and manage system/network infrastructure projects effectively.
About the role
- Mainframe Modernization Engineer involved in modernizing COBOL-based systems into Java applications. Collaborating with engineering teams to ensure accuracy and performance during transformation.
Responsibilities
- Analyze and interpret legacy COBOL batch programs running on IBM mainframes, including programs utilizing JCL, DB2, and VSAM.
- Understand and document functional logic, control flow, and data transformations to support modernization efforts.
- Review and validate automatically generated functional documentation for accuracy, completeness, and alignment with actual program behavior.
- Design and execute test cases to validate business logic and ensure output consistency between legacy and modernized systems.
- Compare Java program outputs against original COBOL program results to identify discrepancies.
- Collaborate with modernization and Java development teams to resolve mismatches and refine generated code.
- Participate in transformation quality assurance activities and contribute to continuous improvement of the modernization platform.
Requirements
- 5–8 years of hands-on experience working with COBOL on IBM mainframe environments.
- Strong experience with JCL, DB2, and VSAM.
- Hands-on experience supporting and analyzing mainframe batch jobs.
- Proven ability to analyze complex COBOL logic and map it to equivalent behavior in modern applications.
- Solid understanding of testing methodologies, validation techniques, and defect analysis.
- Strong analytical skills and attention to detail when reconciling outputs across systems.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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