Platform Engineer

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Founded in 1976, CGI is among the largest IT and business consulting services firms in the world.

At CGI, we enable digital transformation that moves entire industries forward, and as a Platform Engineer, you’ll be at the heart of that mission. You’ll help build the foundations that allow our teams to deliver innovative, cloud-native software at pace and scale. Working across dynamic projects for clients in both public and private sectors, you’ll collaborate with developers, architects, and delivery specialists to automate, optimise, and secure environments that power meaningful outcomes.

This is your opportunity to join a community that values ownership, creativity, and collaboration, where you’ll have the freedom to make an impact and the support to grow your career. 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. We welcome applications from candidates across the UK, and Northern Ireland. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential.

As a Platform Engineer at CGI, you’ll be a key member of our cloud-native delivery teams, enabling rapid, continuous delivery of high-quality software for clients across multiple industries. You’ll work hand in hand with developers, Scrum Masters, Product Owners, Cloud Architects, and Security Specialists to design, build, and support resilient, automated environments that drive performance and reliability.

• Work closely with software developers, architecture teams, and operations to advise on effective software deployment and platform management.
• Operate as a cross-functional engineer within an Agile team, fostering collaboration and continuous improvement.
• Collaborate with stakeholders to ensure consistent, high-quality releases.
• Create and manage virtual environments, ensuring scalability and security.
• Analyse and automate existing processes to improve efficiency and resilience.
• Engage with clients to understand requirements and design platform solutions that deliver measurable outcomes.
• Communicate and advocate for best practices across the platform lifecycle, guiding and mentoring junior engineers.

Key responsibilities:

• Build & Automate:
  Develop, maintain, and enhance cloud infrastructure using tools like Terraform, Ansible, Docker, and Kubernetes.
• Collaborate & Integrate:
  Partner with developers and architects to embed infrastructure best practice into delivery pipelines.
• Optimise & Support:
  Troubleshoot and resolve issues across CI/CD pipelines, AWS environments, and networking configurations.
• Enable & Mentor:
  Share knowledge, promote standards, and support the growth of other engineers within the team.

To succeed in this role, you’ll bring both technical depth and a passion for enabling continuous delivery through automation, collaboration, and innovation.

• Experience working in Agile software delivery teams.
• Hands‑on expertise with cloud‑native infrastructure, systems, and security configuration (Terraform, Ansible, Docker, Kubernetes).
• Strong practical knowledge of AWS services (EC2, VPC, Security Groups, Load Balancing, Auto Scaling, Cloud Watch).
• Experience building and maintaining CI/CD…