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# Infrastructure Tester - DV Cleared

- **Company:** CBS Butler Limited
- **Location:** Cliddesden, UK
- **Salary:** £156,000.0 - £161,200.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Agile Methodology, Software Bug Management, Linux, Public Key Infrastructure, E2e Testing, Virtualization Technology, Information Technology, Network Server
- **Published:** August 4, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2907840046-2

## About the Role

* Infrastructure testing experience across Windows and Linux.
 * Knowledge of IDAM, PKI, servers, networking, and virtualisation.
 * Experience with manual testing, defect management, and integration/end-to-end testing.
 * Agile environment experience (SAFe desirable).
 * ISTQB Foundation is advantageous.

Requirements

 * Active UKSV DV clearance (MOD DV accepted).
 * UK national holding a single valid UK passport.

This is an excellent opportunity to work on high-profile, secure programmes within a collaborative technical team.

## Description

We are looking for an experienced Infrastructure Tester to join a secure, Agile delivery team supporting critical IT infrastructure projects. You'll be responsible for testing and validating Windows and Linux infrastructure, ensuring systems are secure, reliable, and ready for deployment.


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