DevOps Engineer (Security Clearance) (IT)

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 requires onsite presence in Chippenham. Candidate profile: In this role, you will optimise Azure AKS and AWS EKS Kubernetes clusters, ensuring uptime, security, scalability and performance across secure cloud environments. You will take ownership of infrastructure defined in Terraform, using GitLab CI/CD pipelines to automate deployments and maintain consistency across environments. Working closely with stakeholders, you will proactively identify improvements, troubleshoot complex issues, and contribute to the continuous hardening and resilience of cloud-based systems. You will also participate in an on-call rota, supporting critical systems and ensuring issues are resolved efficiently and effectively. With the backing of experienced colleagues, you will help evolve our protective monitoring capability while maintaining the highest operational standards. Key responsibilities:

• Administer & Optimise Azure AKS and AWS EKS Kubernetes clusters
• Develop & Maintain Infrastructure-as-Code using Terraform
• Automate & Streamline deployments through GitLab CI/CD pipelines
• Monitor & Enhance system performance, scalability and security
• Troubleshoot & resolve complex platform and infrastructure issues
• Support & maintain operational stability through on-call participation

Required qualifications to be successful in this role You will bring hands-on experience in Linux-based operational environments and practical expertise managing Kubernetes clusters and infrastructure with Terraform. You should be comfortable working with CI/CD pipelines, supporting cloud-based systems in Azure and AWS, and troubleshooting complex technical issues in secure environments. Essential qualifications and experience:

• Experience working with Linux in an operational environment
• Year of hands-on experience using Terraform for infrastructure automation
• Experience administering Kubernetes (AKS and/or EKS)
• Experience working with CI/CD pipelines (e.g. GitLab)
• Working knowledge of Azure and AWS cloud platforms
• Experience with SIEM or large-scale data platforms
• Strong problem-solving and incident triage skills

Desirable:

• Exposure to the Elastic stack
• Scripting experience in Python
• Experience supporting applications and end users
• Ability to produce clear technical documentation
• Relevant certifications (e.g. CKA, RHCSA, Elastic Certified Engineer)
• A proactive approach and willingness to learn

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