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Mainframe Tester

Job in Chester, Cheshire, CH1, England, UK
Listing for: Ascendion
Full Time position
Listed on 2026-05-22
Job specializations:
  • IT/Tech
    IT QA Tester / Automation, Systems Analyst, IT Consultant
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below

We are looking for a Mainframe Tester with experience in testing and automating mainframe applications.

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