Position Description
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission‑critical systems that help our clients remain safe and secure. Our expertise spans space, defence, intelligence, aerospace, maritime and cyber capability, delivered via proven and emerging technologies and agile delivery processes. We collaborate with global technology companies, SMEs and academia to deliver optimal solutions for each client.
This role offers a competitive salary, excellent pension, private healthcare and a share scheme (3.5% + 3.5% matching), making you a CGI Partner, not just an employee.
Due to the secure nature of the programme, candidates must hold UK Security Clearance or be eligible to pursue it. The position will be based on site near Chippenham, 5 days a week.
Responsibilities
In this role you will design, build, and maintain end-to-end infrastructure across cloud and on-premises environments, ensuring solutions are scalable, resilient and aligned with business and technical requirements. You will take ownership of architecture design models, guide delivery teams through implementation and ensure consistency with enterprise standards and best practices. You will also play a key role in maintaining infrastructure performance and stability, proactively monitoring systems, supporting incident resolution and contributing to continuous improvement.
* Lead and design end-to-end infrastructure architecture for cloud and hybrid systems
* Produce and maintain high- and low-level design documentation
* Guide and support infrastructure build, provisioning and configuration activities
* Enable and promote Infrastructure as Code (IaC) best practices
* Monitor and optimise infrastructure performance, capacity and availability
* Maintain and update architecture diagrams and design artefacts
* Support and resolve incidents, including root cause analysis
* Ensure and uphold security, compliance and governance standards
* Contribute to architecture reviews, decision-making and change control
Required Qualifications
* Proven experience designing and maintaining infrastructure architecture
* Strong ability to produce high-quality architecture documentation
* Experience with scalable, highly available system design
* Ability to manage infrastructure performance, capacity and availability
* Strong stakeholder communication and decision-making skills
* Experience with Kubernetes (including VKS)
* Familiarity with security, compliance and governance frameworks
Desirable
* Experience within Defence environments
* Exposure to hybrid or multi-cloud architectures
* Participation in architecture boards or governance forums
* Cloud certifications
* Automation experience using Ansible
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