At CGI we’re transforming the way critical platforms are built, secured, and optimised, empowering clients to innovate faster and operate with confidence. As a Platform Engineer, you’ll play a central role in delivering scalable, resilient, and secure infrastructure that underpins high-impact software solutions. You’ll collaborate across agile Continuous Improvement Teams to drive automation, performance, and security using modern DevSecOps practices. This is your opportunity to make a measurable difference in shaping the digital backbone of vital services while growing your expertise within an inclusive, collaborative environment that encourages ownership, creativity, and continuous learning. 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 is a hybrid/remote position with occasional travel.

Your future duties and responsibilities

In this role, you will take the lead in managing and evolving CGI’s application platforms and infrastructure, driving automation, scalability, and security to support agile software delivery. You’ll work closely with developers, architects, and security teams to embed resilience and reliability across the platform, ensuring optimal performance of production environments. You’ll play a hands-on role in diagnosing complex issues, implementing infrastructure-as-code solutions, and promoting a culture of proactive improvement. You’ll be encouraged to innovate, take ownership of solutions, and collaborate across teams to deliver measurable impact—supported by a culture that values creativity, trust, and professional growth.

Key responsibilities: • Design & Maintain: Manage and enhance cloud and virtualised environments to deliver high availability and scalability • Automate & Optimise: Implement automation for provisioning, deployment, and maintenance using IaC and CaC tools • Monitor & Improve: Develop and maintain robust monitoring, alerting, and performance tuning processes • Secure & Comply: Integrate security controls into CI/CD pipelines, automating checks and compliance validation • Collaborate & Support: Partner with development and security teams to ensure seamless delivery across environments • Lead & Respond: Provide proactive incident management and participate in an out-of-hours support rota • Innovate & Evolve: Continuously evaluate emerging technologies to enhance platform reliability and efficiency

Required qualifications to be successful in this role

You’ll bring proven experience in platform or DevOps engineering, with strong technical foundations in automation, cloud, and security. Your ability to combine hands-on engineering expertise with a problem-solving mindset will be key to success in this fast-moving environment.

Essential: • Experience in platform engineering, DevOps, or SysOps roles • Strong knowledge of cloud services (preferably Azure) and container orchestration (e.g., Docker, Docker Swarm) • Proficiency in Infrastructure as Code tools (e.g., Terraform, ARM Templates) • Experience managing Linux and/or Windows Server environments • Hands-on experience with CI/CD tools (Azure DevOps, Jenkins) and version control (Git) • Familiarity with monitoring and observability tools (Prometheus, Grafana, Dynatrace) • Scripting and automation experience (Python, Bash, Ansible) • Understanding of security automation (SCA, SAST, DAST) and compliance frameworks (OWASP, CIS) • Willingness to participate in out-of-hours support on a rota basis

Desirable: • Exposure to virtualised environments (e.g., vCloud) • Awareness of risk management and secure software lifecycle principles

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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.