Job Title : Mainframe Tester
Location : [Chennai]
Job Type : Level : [6+ yrs]
Department : Quality Assurance / IT
Job Summary :
We are seeking a detail-oriented and experienced Mainframe Tester to join our QA team. The ideal candidate will be responsible for testing mainframe-based applications, ensuring data integrity, and verifying that business logic is correctly implemented in a COBOL, JCL, and DB2 environment. You will work closely with developers, business analysts, and project managers to ensure that applications meet business requirements and function reliably.
Key Responsibilities :
- Design, develop, and execute test plans and test cases for mainframe applications.
- Perform functional, regression, and integration testing on mainframe systems.
- Validate COBOL programs, JCL scripts, and DB2 database processes.
- Analyze business requirements and design test scenarios accordingly.
- Identify, document, and track defects using tools like JIRA or HP ALM.
- Work with development teams to resolve defects and verify fixes.
- Execute batch jobs and review logs to verify processing outcomes.
- Validate data migration and backend processing logic.
- Maintain test documentation and support QA process improvements.
Required Skills and Experience :
Bachelor's degree in Computer Science, Information Technology, or related field.6+ years of experience in mainframe testing.Proficiency in COBOL, JCL, DB2, and TSO / ISPF.Hands-on experience with tools such as File-AID, Abend-AID, and Xpediter.Strong knowledge of SDLC, STLC, and defect lifecycle.Experience with batch job testing and data validation in mainframe systems.Good analytical, debugging, and problem-solving skills.Excellent communication and documentation skills.ref : hirist.tech)