McLaren Strategic Solutions (MSS) · 5 hours ago
Mainframe Modernization Engineer
Dallas, TX
Full-time
Onsite
Senior Level
5+ years expMcLaren Strategic Solutions (MSS) is a leading-edge global technology consulting firm specializing in digital transformation. They are seeking a Mainframe Modernization Engineer to support a large-scale legacy transformation initiative, focusing on analyzing existing COBOL-based systems and collaborating with Java engineering teams to ensure functional accuracy and performance during the modernization process.
Management Consulting
Hiring Manager
Mariana Cardoso
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 the continuous improvement of the modernization platform
Qualification
Required
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
Preferred
Experience participating directly in large-scale legacy modernization or platform transformation initiatives
Exposure to Java, including Java on mainframe environments such as z/OS
Prior experience participating in COBOL-to-Java transformations or legacy modernization initiatives
Experience working alongside platform or tooling teams supporting automated code transformation
Company
McLaren Strategic Solutions (MSS)
McLaren Strategic Solutions (MSS) is the next generation technology services and digital transformation company.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Sajan Pillai
Chairman and CEO
Anoj Pillai
Chief Technology Officer
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