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Mainframe Tester

The Ascent Services Groupdion
Liverpool, UK
3 months ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Job source
find.jobs

Tech stack

Automation of Tests COBOL (Programming Language) IBM DB2 Job Control Language (JCL) Mainframes Systems Development Life Cycle Strategies of Testing Integration Tests Bug Reporting

Job 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.

Requirements

  • 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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This job is hosted externally. Click below to view the full posting and apply.

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

Moments

Explore playlists

4:40 min

Analyzing COBOL mainframe migration challenges with AI

Michael Friedrich Michael Friedrich · World Congress 2026 Europe

5:19 min

Identifying vulnerabilities and automating Jira bug reports

Sergio Freire Sergio Freire · Europe 2026 Virtual

8:22 min

Navigating legacy systems and unconventional software testing practices

Philipp-Alexander Blum · LIVE

3:48 min

Modernizing massive legacy mainframe and IBM i codebases

Maximilian Jesch Maximilian Jesch · World Congress 2026 Europe

6:35 min

Modernizing legacy COBOL mainframe systems using AI agents

Chris Heilmann +2 · LIVE

2:18 min

Streamlining feature requests and bug reports with templates

Dennis Doomen Dennis Doomen · World Congress 2025

Videos

See all
Cloud as the new mainframe: why the cloud hype does not reflect the dev reality thumbnail
23:00
World Congress 2023 • almost 3 years ago

Cloud as the new mainframe: why the cloud hype does not reflect the dev reality

Gerta Sheganaku, Waldemar Hummer

SMART Test Automation - the experience of legacy transformation thumbnail
30:42
World Congress 2026 Europe • about 1 month ago

SMART Test Automation - the experience of legacy transformation

Leszek WÅ‚odarski

Debugging in the Dark thumbnail
8:02
World Congress 2025 • 12 months ago

Debugging in the Dark

Nishil Patel

Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization thumbnail
45:58
LIVE • almost 5 years ago

Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization

Andreas Christian

".Net is too slow" was not an option thumbnail
26:13
World Congress 2026 Europe • about 1 month ago

".Net is too slow" was not an option

Tomasz Woznica

Migrating from COBOL with AI: A Moonshot Demo thumbnail
8:23
World Congress 2025 • 12 months ago

Migrating from COBOL with AI: A Moonshot Demo

Julia Kordick

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