Senior DevOps Engineer (IT)

At CGI, we help deliver secure, mission-critical platforms that support some of the UK?s most important Space, Defence and Intelligence programmes. As a DevOps Engineer, you will play a key role in designing and operating modern cloud-native environments that enable innovation, resilience, and operational excellence. Working within collaborative Agile teams, you?ll help build scalable, secure solutions that drive meaningful outcomes for our clients while continuously improving platform reliability, automation, and performance. You?ll have the opportunity to take ownership of complex challenges, contribute new ideas, and develop your career within a supportive environment where your work makes a lasting impact. 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 position with travel to either Reading or Chippenham. Candidate profile: As a DevOps Engineer, you will help deliver and support secure cloud-native platforms that underpin critical national programmes. Working across platform engineering, infrastructure, automation, and operations, you will contribute to the design, deployment, and continual improvement of Kubernetes-based environments. You?ll collaborate with software engineers, architects, testers, and delivery teams to ensure platforms are reliable, scalable, secure, and fit for purpose. In this role, you will take ownership of technical challenges, automate processes to improve efficiency, and help drive continuous improvement across the platform lifecycle. You?ll play an important part in maintaining high engineering standards, supporting operational resilience, and enabling the successful delivery of complex solutions within an Agile environment. Key responsibilities:

• Design & Deliver secure cloud-native platforms and infrastructure solutions
• Deploy & Operate containerised applications using Kubernetes-based technologies
• Build & Optimise CI/CD pipelines using GitLab and modern DevOps tooling
• Automate & Improve build, deployment, configuration, and operational processes
• Develop & Script automation solutions using Python and related technologies
• Support & Maintain Linux-based systems and platform environments
• Troubleshoot & Resolve complex issues across applications, platforms, and infrastructure
• Monitor & Analyse platform health using observability and logging tools including Elastic

Required qualifications to be successful in this role To succeed in this role, you should have strong experience across DevOps, platform engineering, infrastructure automation, or software engineering, with a passion for building reliable and secure systems. You will be comfortable working with cloud-native technologies, automation tools, and Agile delivery teams, while demonstrating strong problem-solving skills and a structured approach to troubleshooting complex technical challenges. Essential qualifications and experience:

• Experience in DevOps, platform engineering, infrastructure automation, or software engineering roles
• Strong knowledge of Kubernetes and containerised application deployment
• Experience building and maintaining CI/CD pipelines using GitLab or similar tooling
• Practical Python scripting and automation experience
• Strong Linux administration and support skills
• Understanding of networking fundamentals including DNS, routing, firewalls, and service communication
• Proven ability to analyse technical requirements and translate them into effective solutions
• Experience troubleshooting complex technical issues across multiple technology layers
• Strong collaboration skills within Agile delivery environments

Desirable experience:

• Experience with AWS, Azure, GCP, or secure private cloud environments
• Knowledge of Elastic for monitoring, logging, and observability
• Understanding of service mesh technologies and concepts
• Experience with Infrastructure-as-Code tooling

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