> Markdown version of [/jobs/ext/4679663-wintel-engineer-security-clearance](https://www.wearedevelopers.com/jobs/ext/4679663-wintel-engineer-security-clearance). 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). --- # Wintel Engineer (Security Clearance) - **Company:** CGI Group Inc. - **Location:** Chippenham, United Kingdom - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Agile Methodology, Domain Name System (DNS), Windows Servers, Networking Basics, Public Key Infrastructure, VCloud, Patch Management, Vmware - **Published:** November 12, 2026 - **Apply:** https://www.free-work.com/en-gb/tech-it/job-mission/data-engineer-1/wintel-engineer-security-clearance ## About the Role You'll have hands-on Windows infrastructure experience, strong troubleshooting skills and the ability to work collaboratively within a secure technical environment. Essential skills: * Windows Server administration and infrastructure builds. * Active Directory, DNS and PKI. * Windows patch management. * Working knowledge of VMware, ideally VMware Cloud Foundation (VCF). * Infrastructure design documentation, including LLDs. * Understanding of networking fundamentals. Desirable skills: * Agile or SAFe methodologies. * Experience in secure or defence environments. * Strong communication and collaboration skills. ## Description At CGI, we're delivering secure, resilient infrastructure that supports some of the UK's most critical defence and intelligence programmes. As a Windows Infrastructure Engineer, you'll help build and maintain mission-critical Windows environments, contributing to innovative solutions that strengthen security and performance. You'll take ownership of technical challenges, collaborate with experienced engineers and help shape reliable infrastructure services. With opportunities to develop your expertise, contribute new ideas and progress your career, you'll make a meaningful impact within a supportive, forward-thinking team., You'll build, configure and support secure Windows infrastructure, working alongside technical teams to deliver reliable platform services. You'll contribute to infrastructure design, resolve technical challenges and support the transition of solutions into live service, with opportunities to develop your skills and influence improvements. * Build & Configure: Deploy and maintain Windows Server infrastructure. * Design & Document: Contribute to technical designs and produce Low-Level Designs (LLDs). * Integrate & Deliver: Support wider infrastructure builds and networking dependencies. * Secure & Optimise: Manage patching, system performance and infrastructure security. * Support & Collaborate: Troubleshoot issues and support handover into live service.