Salary: £70,000 - 75,000 per year Requirements: Strong experience with Linux (Ubuntu) and Windows Server environments Hands-on scripting skills (Bash, Python, PowerShell or similar) Proven experience with automation and DevOps tooling (Ansible, Terraform, CI/CD, Git) Experience working with Azure or similar cloud platforms Solid understanding of infrastructure reliability, monitoring, and incident response Strong problem-solving skills and ability to work across multiple priorities Willingness to work in secure, regulated environments (SC eligibility required) Infrastructure-as-Code lifecycle and best practices (desirable) Containerisation and orchestration (Docker, Kubernetes) (desirable) Configuration management and desired state tooling (desirable) Application and platform monitoring tools (Splunk, Nagios or similar) (desirable) Experience hardening systems and conducting security assessments (desirable) Understanding of Agile and DevOps principles in practice (desirable) Responsibilities: Designing, delivering, upgrading, and maintaining core platforms, services, and automations Building and improving monitoring, alerting, and observability platforms Designing secure infrastructure using automation-first approaches Creating and productionising proofs of concept for new tools and technologies Diagnosing and resolving performance, reliability, and availability issues Supporting architecture, documentation, and non-functional requirements Mentoring engineers and helping improve DevOps and SRE practices Technologies: Ansible Azure Bash CI/CD Cloud DevOps Docker Git Kubernetes Linux PowerShell Python Security Splunk Terraform Ubuntu Windows More: We are offering a permanent opportunity for an experienced Site Reliability Engineer who enjoys building secure, automated, and highly reliable platforms within a defense and national security environment. Our role allows you to work on modern infrastructure where automation, resilience, and secure-by-design principles are fundamental. We provide a collaborative and inclusive culture with strong benefits including competitive pay, bonus, pension, private healthcare, generous leave, professional development, wellbeing perks, and modern on-site facilities, all while operating in a hybrid format based in Farnborough. last updated 5 week of 2026