At CGI, you’ll play a vital role in protecting and enabling some of the UK’s most critical defence capabilities. As an Infrastructure Engineer, you will help design, support and sustain secure, high-availability environments that underpin mission-critical operations. Working alongside trusted experts, you’ll take ownership of complex infrastructure challenges, apply creative problem-solving, and deliver resilient solutions that make a real-world impact. CGI empowers you to shape outcomes, innovate with purpose, and grow your career within a supportive, collaborative culture where your expertise genuinely matters.
Overview
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will require 5 days a week onsite in Chippenham.
In this role, you will provide senior-level infrastructure support on a secure defence programme, working full time on client site in the Chippenham/Corsham area. You will take ownership of complex incidents, ensure the availability and security of critical systems, and contribute to continuous improvement across the platform. Supported by a collaborative CGI team, you’ll be trusted to apply your expertise, share knowledge, and help shape resilient, future-ready infrastructure.
You will also play a key role in proactive system maintenance, optimisation, and documentation, while participating in an on-call rota to support mission-critical services.
Key Responsibilities
* Lead & Resolve: Provide expert support for VMware Cloud Foundation, Tanzu, Dell VxRail and Data Domain platforms
* Secure & Protect: Support key management and privileged access solutions including HashiCorp Vault, Thales HSM, BeyondTrust and Keycloak
* Optimise & Maintain: Administer Windows Server 2022, Hyper-V, monitoring, disaster recovery and business continuity solutions
* Collaborate & Improve: Work with cross-functional teams and maintain clear, accurate technical documentation
* Support & Respond: Participate in a 24/7 on-call rota for critical infrastructure
Required Qualifications
You will be an experienced infrastructure professional with a strong background in secure, complex environments, ideally within Defence. You bring a proactive mindset, strong troubleshooting capability, and a commitment to delivering high-quality, reliable solutions while working effectively as part of a trusted team.
* Existing DV (Developed Vetting) clearance
* Proven experience in a senior infrastructure or support role
* Strong knowledge of VMware, Microsoft Windows Server and hyper-converged infrastructure
* Solid understanding of networking principles
* Excellent problem-solving skills and attention to detail
* Relevant certifications (VMware, Microsoft, Dell or security) are highly desirable
Desirable Experience Includes
* Cross-domain and secure systems (e.g. Tiger Traps, Garrison, OpsWat, NiFi)
* DevOps and container technologies (GitLab, Harbor, FluxCD, Kubernetes)
* Elastic for logging and analytics
Note: This description reflects the current role requirements and may be subject to change.
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