Platform Engineer

Design & Evolve secure, scalable cloud platforms across Azure, AWS, or GCP

Define & Automate Infrastructure as Code standards and reusable modules

Build & Optimise CI/CD pipelines for efficient, secure delivery

Enable & Support containerised workloads and orchestration platforms

Implement & Improve observability, logging, metrics, and alerting standards

Secure & Govern platforms in line with enterprise security frameworks

Troubleshoot & Resolve critical incidents, strengthening resilience and diagnostics

Optimise & Control cloud costs using FinOps principles

Influence & Contribute to bids, technical strategy, and engineering communities

You will bring strong hands-on experience designing and operating cloud platforms within complex environments. You combine technical depth with a pragmatic approach to balancing quality, pace, cost, and operational resilience. You are confident engaging with multidisciplinary teams and communicating technical concepts clearly.

You should have:

Proven experience designing and maintaining cloud infrastructure in Azure, AWS, or GCP

Strong expertise in Infrastructure as Code using Terraform, ARM/Bicep, or CloudFormation

Experience building and operating modern CI/CD pipelines

Experience supporting containerised workloads and orchestration platforms

Strong understanding of observability, monitoring, and diagnostics practices

Knowledge of secure and resilient infrastructure design aligned to enterprise standards

Experience troubleshooting platform-level incidents and driving recovery

Ability to produce clear documentation and communicate effectively with stakeholders

It would be advantageous to have:

Experience with multi-cloud or hybrid cloud strategies

Experience contributing to technical bids or solution proposals

Experience mentoring engineers or leading technical improvement initiatives

Relevant certifications (AWS, Azure, Terraform, Kubernetes)

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.

At CGI, we engineer secure, scalable cloud platforms that enable transformation across the UK's most critical sectors. As a Platform Engineer, you will take ownership of designing and evolving resilient digital platforms that accelerate delivery and power mission-critical services. Working across cloud infrastructure, automation, security, and observability, you will help set engineering standards and drive measurable improvements in reliability, performance, and cost efficiency. Within a collaborative, multidisciplinary environment, you will have the autonomy to innovate, influence platform strategy, and continuously improve how we deliver for our clients - shaping modern cloud ecosystems that make a national impact., 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