Job Vacancy Infrastructure Engineer - Secure Cloud Services

London

CGI

Job position Infrastructure Engineer - Secure Cloud Services

Permanent

As soon as possible

London, England, United Kingdom

Published on 15/04/2026

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At CGI, you will contribute to the design and delivery of secure, high-performance infrastructure that underpins mission-critical systems across the Space, Defence and Intelligence sector.

As an Infrastructure Engineer, you will help shape resilient cloud and on-premise environments that enable innovation, strengthen security, and deliver real-world impact. Working alongside industry partners and expert teams, you will take ownership of complex infrastructure challenges, apply creative solutions, and develop your career within a collaborative and supportive environment focused on excellence.

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 which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.

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 will be based on site near London 5 days a week.

Candidate profile

In this role, you will design, build and support secure infrastructure solutions across cloud and on-premise environments, ensuring systems meet stringent performance, security and availability requirements. You will take ownership of infrastructure components across compute, storage and networking, contributing to both project delivery and ongoing operational support within highly secure environments.

Working collaboratively with internal teams and partners, you will help deliver robust and scalable solutions, applying innovative approaches to infrastructure engineering while benefiting from structured support and opportunities to grow your expertise in evolving technologies.

• Design & Deliver secure infrastructure across cloud and on-premise environments

• Deploy & Configure compute, storage and networking solutions to meet client needs

• Integrate & Support Oracle Cloud Infrastructure

• Monitor & Optimise system performance, availability and reliability

• Troubleshoot & Resolve infrastructure issues in complex environments

• Collaborate & Deliver with internal teams and external partners

• Report & Communicate system status, risks and technical updates to stakeholders

Required qualifications to be successful in this role

You should have a solid foundation in infrastructure engineering, with experience across enterprise environments and the ability to support both build and operational activities. A strong understanding of cloud or virtualised platforms is important, along with a proactive approach to problem-solving and continuous improvement.

• You should have experience in infrastructure engineering across compute, storage and networking

• Strong proficiency in systems administration within enterprise environments

• Solid understanding of networking fundamentals

• Experience working in cloud or virtualised environments

• Familiarity with Oracle Cloud Infrastructure (OCI) is desirable

• Experience with virtualisation technologies

• Proven ability in troubleshooting and incident resolution

• Exposure to container technologies, automation or scripting (desirable)

• Understanding of secure environments and compliance requirements (advantageous)

#LI-SB2

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

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Infrastructure Engineer - Secure Cloud Services

CGI