Women in Tech
Platform Engineer (DV Security Clearance)
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Position Description
At CGI, we build and operate mission-critical systems that help protect the UK, delivering secure, innovative solutions that make a tangible difference. As a Platform Engineer, you will play a key role in designing, automating and evolving cloud-native platforms that enable the rapid, reliable and secure delivery of services supporting national security programmes. Working alongside talented engineers in a collaborative environment, you will have the opportunity to influence platform strategy, drive continuous improvement and contribute to solutions that deliver real-world impact, while being supported in developing your skills and advancing 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. This role will require you to work on a secure site.
Your future duties and responsibilities
In this role, you will design, build and operate secure Kubernetes-based platforms that underpin critical national security services. You will work closely with development teams to provide scalable, automated and self-service platform capabilities, enabling faster and more reliable software delivery. You will take ownership of platform engineering initiatives, helping to drive innovation through automation, cloud-native technologies and modern engineering practices.
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You will contribute to the continuous improvement of platform reliability, scalability and security, while collaborating within Agile delivery teams to solve complex technical challenges. Working in a supportive environment, you will help shape platform standards and best practices that deliver lasting value for both clients and end users.
Key Responsibilities
- Design & Operate secure Kubernetes-based platforms
- Develop & Enhance platform automation capabilities
- Enable & Support self-service tooling for development teams
- Implement & Maintain Infrastructure as Code solutions
- Optimise & Automate CI/CD and GitOps workflows
- Improve & Secure platform reliability, scalability and performance
- Troubleshoot & Resolve complex infrastructure and application issues
- Collaborate & Deliver within Agile engineering teams
- Contribute & Innovate engineering standards and best practices
Required Qualifications To Be Successful In This Role
To succeed in this role, you should have hands-on experience operating and supporting cloud-native platforms, with strong knowledge of Kubernetes, automation and modern infrastructure practices. You will be comfortable working within Agile environments and have a passion for improving platform performance, security and developer experience through automation and continuous improvement.
Essential Qualifications
- You should have experience administering and operating Kubernetes platforms
- Strong knowledge of GitOps tools such as ArgoCD or Flux
- Experience with Linux administration and automation
- Proven expertise in Infrastructure as Code tools such as Terraform, Puppet, Ansible or similar
- Experience building and maintaining CI/CD pipelines and deployment automation
- Strong understanding of container technologies and cloud-native ecosystems
- Proficiency with Git-based source control workflows
- Experience with scripting or software development using Python, Go, Java, Bash or similar
- Strong problem-solving skills and ability to troubleshoot complex technical issues
- Ability to work collaboratively within Agile delivery teams
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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.
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