CGI is helping shape the future of secure defence technology through the delivery of innovative, mission‑critical infrastructure solutions. As an Infrastructure Engineer, you will play a key role in supporting the deployment of a new on‑premises cloud platform for the Ministry of Defence. You will support the design, build, configuration, and testing of critical infrastructure components, ensuring they meet operational and security requirements while collaborating with architects, project teams, clients and technology partners to develop and implement solutions aligned to business and technical objectives.
Responsibilities
* Design & Deliver secure on‑premises infrastructure solutions
* Build & Configure servers, desktops, virtualisation platforms, and supporting services
* Test & Validate infrastructure components against operational requirements
* Harden & Secure environments to meet stringent security standards
* Administer & Optimise Microsoft‑based infrastructure technologies
* Collaborate & Advise project teams, architects, vendors, and stakeholders
* Create & Maintain technical documentation, standards, and templates
* Support & Improve production, development, and test environments
* Contribute & Influence infrastructure strategy and technology roadmaps
* Troubleshoot & Resolve complex infrastructure issues
Qualifications
* 10+ years' experience in Wintel infrastructure engineering
* Strong expertise in Active Directory and Group Policy administration
* Proven experience administering Microsoft Hyper‑V environments
* Strong PowerShell scripting and automation skills
* Experience implementing and supporting PKI solutions
* Proven ability to design, build, and secure enterprise infrastructure
* Experience working within highly secure or classified environments
* Strong understanding of infrastructure security hardening principles
* Excellent troubleshooting, documentation, and stakeholder engagement skills
* Experience with Linux administration
* Azure Stack Hub experience
* Network design and implementation experience
* Previous MOD or wider Defence sector experience
* Understanding of hybrid cloud and on‑premises cloud environments
Benefits
* Insurance coverage
* Medical benefits
* Pension plan
* Member Assistant Programme
* Check4Cancer
* Flexible time off
* Share Purchase Plan
* Member discounts
* Dental benefits
* Vision benefits
* Profit Participation Plan
* Health and Wellbeing Programme
Competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching) are offered.
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. The role is Hybrid.
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