> Markdown version of [/jobs/ext/1606616-infrastructure-tester-dv-cleared-windows-linux](https://www.wearedevelopers.com/jobs/ext/1606616-infrastructure-tester-dv-cleared-windows-linux). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Tester - DV Cleared - Windows & Linux - **Company:** CBS Butler Limited - **Location:** Winchester, UK - **Salary:** £156,000.0 - £161,200.0 - **Contract:** Contract - **Skills:** Microsoft Windows, Agile Methodology, Software Bug Management, Linux, Public Key Infrastructure, E2e Testing, Virtualization Technology, Information Technology, Network Server - **Published:** July 23, 2026 - **Apply:** https://computerjobs.com/gb/en/mob/job/DBF7B18DC31BB287BC ## 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 Infrastructure Tester - DV Cleared | Windows & Linux | High-Security Environment + Hampshire based role + Full time onsite + £600 to £620 per day + Requires DV Clearance 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. Key Skills * 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. Apply now if you're a DV-cleared Infrastructure Tester looking for your next challenge. ## Related Videos - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity) - [Let's get visual - Visual testing in your project](https://www.wearedevelopers.com/videos/540-let-s-get-visual-visual-testing-in-your-project) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Why I Love End-2-End Tests and How To Get Them Right](https://www.wearedevelopers.com/videos/996-why-i-love-end-2-end-tests-and-how-to-get-them-right) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)