Job Title : Mainframe Tester
Location : Chennai, India
Experience : 3-5 Years
Employment Type : Full-time
About the Role :
We are looking for a Mainframe Tester with in-depth expertise in DB2, COBOL, and Mainframe batch processing. The ideal candidate should have strong analytical skills, hands-on debugging experience, and the ability to work in a fast-paced Agile environment using tools like JIRA. This role requires a detail-oriented professional who can ensure the stability, accuracy, and performance of complex enterprise-grade mainframe applications.
Key Responsibilities :
- Design, develop, and execute functional, integration, and regression test cases for Mainframe-based applications.
- Analyze DB2 database structures, perform data validations, and verify SQL queries for accuracy and performance.
- Review and test COBOL programs, ensuring compliance with business logic and functional requirements.
- Debug Mainframe batch jobs, identify root causes of failures, and work closely with development teams for timely resolution.
- Create and maintain test plans, test cases, and test data for ongoing and new projects.
- Collaborate with business analysts and developers during requirement analysis to ensure comprehensive test coverage.
- Utilize Agile testing methodologies, actively participating in daily stand-ups, sprint planning, backlog refinement, and retrospectives.
- Log and track defects using JIRA or similar defect management tools, ensuring accurate reporting and closure.
Mandatory Skills :
Mainframe Testing ExpertiseSolid experience testing applications on z / OS or equivalent environments.DB2 KnowledgeStrong SQL query writing, data validation, and schema understanding.COBOL ProficiencyAbility to read, understand, and validate COBOL program logic.Mainframe Batch ProcessingExperience in executing and debugging JCL-based batch jobs.Agile TestingFamiliarity with Agile principles, ceremonies, and test-driven approaches.Debugging ToolsExperience using tools such as File-AID, QMF, SPUFI, or equivalent.Good to Have :
Exposure to CICS testing and transaction monitoring.Familiarity with automation frameworks for mainframe testing.Understanding of data migration and ETL processes involving mainframe systems.Strong communication, problem-solving, and stakeholder management skills.(ref : hirist.tech)