Marlabs · 8 hours ago
COBOL Test Engineer
Piscataway, NJ
Contract
Hybrid
Mid LevelMarlabs is seeking a COBOL Test Engineer to assess and validate the effectiveness of AI-assisted testing and development outputs. The role involves comparing traditional testing approaches with AI-enabled outcomes to measure quality, accuracy, and productivity improvements.
Management Consulting
Hiring Manager
Bhagyaraj Manoharan
Responsibilities
Execute functional, regression, and batch testing for COBOL programs and JCL jobs on mainframe environments
Validate AI-generated test cases, test data, and defect identification against manual and baseline results
Establish JCL and batch test scenarios to evaluate AI effectiveness in test coverage and defect detection
Analyse discrepancies between AI-assisted outputs and expected mainframe behaviour
Document test results, variances, and insights to support AI benchmarking and reporting
Collaborate with QA, mainframe SMEs, and AI enablement teams to refine validation approaches
Qualification
Required
Strong experience in COBOL and JCL testing in mainframe environments
Knowledge of batch processing, job scheduling, datasets, and error handling
Experience in functional and regression testing for mainframe applications
Ability to review and validate AI-generated artifacts (test cases, scenarios, summaries)
Good analytical and documentation skills
Preferred
Exposure to AI-assisted testing tools or GenAI usage in SDLC
Experience in test effectiveness or productivity measurement initiatives
Prior work in regulated or large-scale enterprise mainframe programs
Company
Marlabs
Marlabs is your trusted AI transformation partner with 30 years of experience solving modern challenges, with a proven track record of delivering complex technology solutions to Fortune 500 clients across financial services, life sciences, healthcare, manufacturing, telecom, media, technology, and other industries.
Founded in 1996
1001-5000 employees
H1B Sponsorship
Marlabs has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
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Trends of Total Sponsorships
2025 (113)
2024 (176)
2023 (148)
2022 (309)
2021 (334)
2020 (253)
Funding
Current Stage
Late StageLeadership Team
Todd Keller
Chief Operating Officer
Gaurav Gupta
Head- Channels & Strategic Partnerships
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