Mainframe Modernization Engineer

Job Title: Mainframe Modernization Engineer
Location: Lafayette, Louisiana
Type: Permanent Full Time
Work Model: Hybrid – onsite and remote

Responsibilities

• Analyze existing COBOL programs and understand their business and technical logic.
• Review and validate COBOL code and make necessary modifications.
• Refactor COBOL programs to support DB2 based data processing, including validation of SQL and data access logic.
• Develop and modify JCL, execute Mainframe jobs, and troubleshoot job failures, abends, and application issues.
• Perform unit, integration, and regression testing and validate functional/data level equivalence between legacy and modernized applications.
• Troubleshoot COBOL, JCL, DB2, and data related issues using tools such as Xpeditor.
• Manage code promotion, package creation, and deployment activities using Endevor.
• Collaborate with Agile teams throughout development, testing, defect resolution, and release activities, following SDLC and coding standards.

Requirements

• At least 8+ years of hands-on experience with: Mainframe Developer with strong expertise in COBOL, JCL, VSAM, DB2.
• Strong hands-on experience in COBOL, JCL, DB2, and SQL development.
• Good working knowledge of VSAM and legacy file processing concepts.
• Understanding of legacy Mainframe file access mechanisms.
• Experience modifying, debugging, and maintaining existing COBOL applications.
• Experience with Mainframe application modernization, migration, or refactoring.
• Ability to review and validate automatically converted/refactored code.
• Strong debugging and troubleshooting skills using tools such as Xpeditor.
• Good knowledge of Endevor, including package creation, code migration, deployment, and release management.
• Strong experience working in Agile/Scrum teams – Mandatory.
• Strong understanding of SDLC and end to end application development processes.
• Strong problem solving and analytical skills.
• Good communication and collaboration skills.
• Good to Have Skills: Experience with BDAM to DB2 migration, automated code conversion tools, COBOL application modernization, Mainframe utilities, legacy to modern database migration, and knowledge of DB2 performance and SQL optimization.
• Education: Bachelor's degree in computer science or related field.

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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