Platform Engineer

CGI Group Inc.; City of Westminster; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading technology consulting firm in the UK is seeking a Platform Engineer to design and deliver scalable cloud platforms. You'll work within Agile teams and leverage technologies like AWS, Azure, and GCP while utilizing IaC tools such as Terraform and Ansible. The role involves improving cloud infrastructure and participating in CI/CD processes. Candidates should hold or be eligible for UK Security Clearance. This position fosters collaboration, innovation, and continuous learning in a supportive environment, offering a competitive salary and comprehensive benefits.

Benefits

Insurance coverage

Medical benefits

Pension plan

Flexible time off

Share Purchase Plan

Health and Wellbeing Programme

Qualifications

• Strong hands-on platform engineering experience.
• Solid understanding of cloud and automation technologies.
• Ability to collaborate effectively within an Agile delivery environment.

Responsibilities

• Design & engineer secure, scalable cloud infrastructure across AWS, Azure, or GCP.
• Develop & automate infrastructure using IaC tools.
• Build & maintain CI/CD pipelines to enhance delivery speed and quality.
• Optimise & stabilise platforms through monitoring and reliability practices.
• Collaborate & innovate with Agile teams.
• Support & improve containerised environments using Docker and Kubernetes.
• Troubleshoot & resolve complex technical challenges.

Skills

Platform engineering experience

IaC tools proficiency

Cloud infrastructure design

Docker and Kubernetes

Linux/Windows scripting

CI/CD pipelines and tooling

Monitoring and observability tools

Understanding of microservices

Reliability and performance improvement

Tools

Terraform

Ansible

AWS

Azure

GCP

GitLab

GitHub

Jenkins

ELK

Prometheus

Grafana

OpenTelemetry

Job description

At CGI, you'll play a pivotal role in shaping the digital foundations that power our clients' most ambitious transformation programmes. As a Platform Engineer, you will help design and deliver resilient, secure and scalable cloud platforms that enable continuous innovation and measurable business impact. You'll work as part of a collaborative Agile team where you can influence outcomes, experiment with new approaches and develop solutions that drive real value for clients across the UK. Here, you'll have the space to take ownership, contribute creatively across disciplines and grow your expertise in a supportive environment that champions learning and continuous improvement.

Responsibilities

• Design & engineer secure, scalable cloud infrastructure across AWS, Azure, or GCP.
• Develop & automate infrastructure using IaC tools such as Terraform, CloudFormation, or Ansible.
• Build & maintain CI/CD pipelines and tooling to enhance delivery speed and quality.
• Optimise & stabilise platforms through monitoring, performance tuning and reliability practices.
• Collaborate & innovate with Agile teams to embed engineering excellence and continuous learning.
• Support & improve containerised environments using Docker and Kubernetes.
• Troubleshoot & resolve complex technical challenges across distributed systems.

Qualifications

To succeed in this position, you should bring strong hands‑on platform engineering experience, a solid understanding of cloud and automation technologies, and the ability to collaborate effectively within an Agile delivery environment. You should be confident working across the full engineering lifecycle and comfortable communicating technical concepts to diverse stakeholders.

• Experience in software or platform engineering within Agile teams.
• Proficiency with IaC tools (Terraform, CloudFormation/CDK, Ansible).
• Experience designing and maintaining cloud infrastructure (AWS, Azure, or GCP).
• Strong capability with Docker, Kubernetes and container orchestration.
• Linux/Windows expertise with scripting (Bash, PowerShell).
• Experience with CI/CD pipelines and tooling (GitLab, GitHub, Jenkins).
• Knowledge of monitoring and observability tools (ELK, Prometheus, Grafana, OpenTelemetry).
• Understanding of distributed systems, networking and microservices.
• Experience improving reliability, performance and cost efficiency.
• 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 position.

Life at CGI

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.

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

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.