Job Vacancy Infrastructure Engineers (DV Security Clearance)

United Kingdom

CGI

Job position Infrastructure Engineers (DV Security Clearance)

Permanent

As soon as possible

United Kingdom

Published on 29/09/2025

Share this job

At CGI, we deliver the secure, mission-critical systems that power the UK’s most vital sectors, helping to safeguard national interests while driving innovation and transformation. As an Infrastructure Engineer, you will play a central role in designing, deploying, and supporting complex platforms that combine on-premises and cloud environments. This is an opportunity to apply your expertise in Kubernetes, automation, and cloud-native technologies to deliver solutions that are critical to the nation, while working in a culture that values creativity, ownership, and collaboration.

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. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.

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 is available in Gloucester and London.

Candidate profile

In this role, you will take responsibility for designing, building, testing, and supporting infrastructure across hybrid environments, combining on-premises and cloud platforms. You will contribute to creating secure, scalable, and automated solutions using containerisation, Infrastructure as Code, and cloud-native tooling.

You will collaborate with stakeholders across multiple sites, working as part of an agile team to troubleshoot complex issues, optimise performance, and introduce new capabilities. Your role will directly support critical national security systems, where reliability, compliance, and innovation are essential.

Key responsibilities include:

• Design & Deploy: Build and manage infrastructure solutions across on-premises and cloud platforms (AWS, Azure, GCP).

• Innovate & Automate: Implement Kubernetes-based platforms, containerisation, and Infrastructure as Code (Terraform, Ansible, CloudFormation).

• Secure & Govern: Apply infrastructure security, compliance, and governance best practices.

• Troubleshoot & Resolve: Analyse and solve complex infrastructure issues with a problem-solving mindset.

• Monitor & Optimise: Use monitoring and observability tools such as Prometheus, Grafana, and ELK.

• Collaborate & Deliver: Work across diverse stakeholders and agile teams to drive continuous improvement.

Required qualifications to be successful in this role

You should have at least three years’ experience in infrastructure engineering, with a track record of delivering solutions across hybrid and cloud environments. Strong technical expertise combined with effective communication and collaboration skills will be key to your success.

You should have experience in:

• Designing, building, deploying, testing, and supporting infrastructure solutions

• Deployment across on-premises and cloud environments (AWS preferred, Azure/GCP desirable)

• Kubernetes architecture (pods, services, deployments, networking) and containerisation (Docker)

• Platform engineering and familiarity with CNCF ecosystem

• Infrastructure as Code using Terraform, Ansible, or CloudFormation

• GitOps tooling such as Argo CD

• Scripting (Python, Shell)

• Container orchestration tools (e.g., Docker Swarm, Apache Mesos)

• Service Mesh technologies (e.g., Istio, Linkerd)

• Monitoring and observability tools (Prometheus, Grafana, ELK)

• Applying infrastructure security, compliance, and governance practices

• Working within agile teams and using version control tools such as Git

#LI-JS2

Working environment

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

Discover CGI

London, England, United Kingdom

> 1000 employees

IT services

We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients’ businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you’ll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let’s turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other. 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

Apply to this job!

Find your next job from +10,000 jobs!

Manage your visibility

Salary, remote work... Define all the criteria that are important to you.
Get discovered

Recruiters come directly to look for their future hires in our CV library.
Join a community

Connect with like-minded tech and IT professionals on a daily basis through our forum.

Infrastructure Engineers (DV Security Clearance)

CGI