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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Site Reliability Engineer (DV Security Clearance) - **Company:** Descriptionat Cgi - **Location:** Rangeworthy, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Bash Shell, Computer Programming, Python (Programming Language), Linux System Administration, Reliability Engineering, Software Engineering, Datadog, Data Logging, Scripting, Delivery Pipeline, Reliability of Systems, Infrastructure as Code (IaC), Git, SC Clearance, Kubernetes, Deployment Automation, Golang - **Published:** June 29, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/x/40278652/ ## About the Role ~Drive & Champion continuous improvement and operational excellence initiatives Required qualifications to be successful in this roleTo succeed in this role, you should have practical experience supporting modern cloud-native platforms and a strong understanding of reliability engineering principles. You will be comfortable working across infrastructure, automation and software engineering disciplines, with the ability to troubleshoot complex issues and contribute to highly available, scalable environments., ~Experience with Kubernetes and containerised environments ~Strong knowledge of monitoring, logging and observability tooling ~Linux administration and troubleshooting expertise ~Experience with Infrastructure as Code (IaC) and automation tools ~Knowledge of CI/CD pipelines and release automation practices ~Understanding of incident management and service reliability methodologies ~Programming or scripting experience in Go, Python, Java and/or Bash ~Experience working with Git-based development workflows ~Strong problem-solving and analytical skills ~Ability to work effectively within Agile delivery teams #LI-JS2 Together, as owners, let's turn meaningful insights into action. ## Description Position DescriptionAt CGI, we deliver mission-critical technology solutions that help protect the UK's national interests and support some of the country's most important programmes. As a Site Reliability Engineer, you will play a key role in ensuring the reliability, scalability and performance of critical services, helping teams deliver resilient platforms that operate at scale. Working within a collaborative and innovative environment, you will have the opportunity to influence platform strategy, automate complex processes, and drive continuous improvement while being supported in developing your skills and career. Your work will directly contribute to operational excellence and the successful delivery of high-impact outcomes for our clients. 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 be based on a secure site. Your future duties and responsibilitiesAs a Site Reliability Engineer, you will help ensure the availability, resilience and performance of mission-critical services supporting national security programmes. You will work closely with software engineers, platform teams and stakeholders to automate operational processes, improve observability and enhance system reliability. In this role, you will take ownership of service health, contribute to platform evolution and help create scalable solutions that enable teams to deliver high-quality outcomes efficiently and securely. You will play a key role in strengthening Kubernetes-based environments, supporting deployment automation and driving continuous improvement across infrastructure and operations. Working within Agile teams, you will investigate incidents, identify root causes and implement preventative measures that improve long-term service stability and operational effectiveness. Key responsibilities: ~Improve & Enhance service reliability, availability and operational resilience ~Automate & Optimise infrastructure, operational workflows and platform processes ~Design & Implement monitoring, alerting and observability solutions ~Support & Scale Kubernetes and containerised environments ~Develop & Deliver CI/CD pipelines and deployment automation capabilities ~Investigate & Resolve incidents, conducting root cause analysis and remediation ~Enhance & Improve platform performance, scalability and efficiency ~Collaborate & Contribute within Agile, cross-functional delivery teams ## Related Videos - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Software Engineering Social Connection: Yubo’s lean approach to scaling an 80M-user infrastructure](https://www.wearedevelopers.com/videos/1583-software-engineering-social-connection-yubo-s-lean-approach-to-scaling-an-80m-user-infrastructure) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)