Mainframe Tester

4 weeks ago

Chennai, India SMARTWORK IT SERVICES Full time

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 Expertise


- Solid experience testing applications on z/OS or equivalent environments.

- DB2 Knowledge


- Strong SQL query writing, data validation, and schema understanding.

- COBOL Proficiency


- Ability to read, understand, and validate COBOL program logic.

- Mainframe Batch Processing


- Experience in executing and debugging JCL-based batch jobs.

- Agile Testing


- Familiarity with Agile principles, ceremonies, and test-driven approaches.

- Debugging Tools


- Experience 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)

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