Infrastructure & Automation Engineer; DV Security Clearance

Position Description

At CGI, we help protect the UK's most critical national security programmes through secure, resilient and highly automated technology solutions. As an Infrastructure & Automation Engineer, you will play a key role in designing and delivering the platforms that underpin mission‑critical services, enabling faster delivery, greater operational resilience and enhanced security. Working alongside talented experts in a collaborative environment, you will have the opportunity to shape modern infrastructure solutions, drive automation at scale and contribute to meaningful outcomes for our clients.

We empower our professionals to take ownership, bring forward new ideas and develop their careers while making a tangible impact on some of the UK's most important programmes. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK "Best Employer" by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee.

We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant.

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 role will be based on a secure site.

In this role, you will be responsible for designing, implementing and maintaining secure infrastructure services that support complex national security programmes. You will work across the software delivery lifecycle, helping to automate infrastructure provisioning, configuration management and deployment processes to improve efficiency, consistency and reliability. Working closely with Agile delivery teams, you will contribute to the successful delivery of scalable, resilient and secure platforms while identifying opportunities for continuous improvement and innovation.

You will have the opportunity to take ownership of infrastructure solutions, influence technical decisions and help drive the adoption of modern engineering practices. Supported by a collaborative team environment, you will work with containerised platforms, Infrastructure as Code technologies and CI/CD pipelines to deliver high‑quality outcomes for clients and end users.

• Design & Maintain secure and resilient infrastructure services
• Automate & Optimise provisioning, configuration management and operational processes
• Build & Enhance Infrastructure as Code solutions using modern tooling
• Support & Manage containerised and Kubernetes‑based environments
• Develop & Improve CI/CD pipelines and deployment automation
• Troubleshoot & Resolve complex infrastructure and platform issues
• Strengthen & Secure infrastructure resilience, compliance and operational efficiency
• Collaborate & Deliver within cross‑functional Agile teams
• Innovate & Improve engineering practices through continuous enhancement initiatives

• Strong experience in Linux systems administration
• Proven experience with infrastructure automation and configuration management
• Hands‑on experience with Infrastructure as Code tools such as Terraform, Ansible, Puppet or similar
• Experience supporting Kubernetes and/or container platforms
• Knowledge of CI/CD tooling and automated deployment pipelines
• Proficiency with Git‑based source control systems
• Experience with scripting languages such as Python or Bash
• Understanding of secure infrastructure operations and best practices
• Strong troubleshooting and problem‑solving skills
• Ability to work effectively within Agile delivery environments