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# Mainframe Tester

- **Company:** The Ascent Services Groupdion
- **Location:** Liverpool, UK
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, COBOL (Programming Language), IBM DB2, Job Control Language (JCL), Mainframes, Systems Development Life Cycle, Strategies of Testing, Integration Tests, Bug Reporting
- **Published:** May 20, 2026
- **Apply:** https://find.jobs/jobs-near-me/mainframe-tester-liverpool/2779239538-2/

## About the Role

* Experience in Mainframe Testing.
 * Strong knowledge of COBOL, JCL, and DB2.
 * Understanding of SDLC/STLC and testing methodologies.
 * Good analytical and communication skills.

## Description

We are looking for a Mainframe Tester with experience in testing and automating mainframe applications., * Develop and maintain automated test scripts using COBOL, JCL, and DB2.

 * Design, execute, and automate test cases for functionality, performance, and security validation.
 * Collaborate with developers and business analysts to understand requirements and identify test scenarios.
 * Perform functional, regression, and integration testing.
 * Track and report defects and support issue resolution.


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