We are looking for an experienced Mainframe Tester with 4+ years of hands-on experience in Mainframe application testing. The ideal candidate should have robust knowledge of Mainframe screen navigation, functional testing, data validation, and DB2 database validation .
The candidate should be comfortable working with Mainframe applications, executing test scenarios, validating application behavior, and verifying backend data updates in DB2.
Key Responsibilities
- Perform functional and system testing of Mainframe applications.
- Navigate and validate Mainframe screens and application flows .
- Execute test cases based on business and functional requirements.
- Validate input/output data across different Mainframe screens.
- Verify that transactions and business processes are working as expected.
- Perform DB2 database validation to ensure records are correctly inserted, updated, or deleted.
- Write and execute SQL queries for data validation in DB2.
- Identify, document, and track defects using the organization's defect management tool.
- Perform defect retesting and regression testing.
- Analyze test failures and work closely with developers/business teams to resolve issues.
- Prepare and maintain test cases, test data, and test execution reports.
- Participate in requirement discussions and provide testing estimates and inputs.
- Ensure adequate test coverage for assigned functionalities.
- Communicate testing status, risks, issues, and defects effectively to stakeholders.
Required Skills
- 4+ years of experience in Mainframe Testing.
- Hands-on experience with Mainframe screen navigation and transaction processing .
- Strong understanding of functional testing and system testing .
- Experience validating data in DB2 .
- Good knowledge of DB2 SQL queries for backend validation.
- Ability to validate data across Mainframe screens and DB2 tables .
- Experience in defect management and test execution .
- Good understanding of SDLC/STLC and QA processes .
- Experience in regression testing and defect retesting .
- Good analytical and problem-solving skills.
- Strong verbal and written communication skills .
- Ability to work independently as well as collaborate with cross-functional teams.
Good to Have
- Knowledge of JCL .
- Knowledge of COBOL and basic understanding of Mainframe programs.
- Experience with CICS/TSO/ISPF .
- Knowledge of VSAM and Mainframe file validation.
- Experience working in Agile/Scrum environments.
- Exposure to Mainframe automation/testing tools would be an advantage.
Candidate Profile We are looking for someone who:
- Has strong hands-on Mainframe testing experience.
- Can independently navigate Mainframe applications and execute end-to-end test scenarios.
- Understands both front-end/Mainframe screen validation and backend DB2 validation .
- Can write SQL queries to verify database changes.
- Has strong attention to detail and debugging skills.
- Communicates clearly with developers, business analysts, and stakeholders.
📌 Mainframe Tester –Immediate (Hybrid – Any Infosys Location in India) (Bhubaneswar)
🏢 Codernation Technologies
📍 Bhubaneswar
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