Site Reliability Engineer – Farnborough – Permanent Overview Fuel Recruitment is supporting a leading organisation within the National Security and Defence sector that is looking for an experienced Site Reliability Engineer to join their growing team. This role sits at the heart of modern platform engineering, working with the latest technologies and driving secure-by-design practices. You’ll be involved in shaping and delivering innovative infrastructure solutions, from proof‑of‑concept through to production. It’s an excellent opportunity for someone passionate about automation, DevOps principles, and continuous improvement. Key Responsibilities * Deliver, upgrade and maintain core service and project platforms, systems and automation. * Develop and manage core monitoring and management platforms, ensuring high‑quality observability. * Collaborate with engineers, developers, operations and QA to design, harden and optimise platforms. * Create architecture and solution designs for new services, delivering PoCs through to production. * Conduct security risk and vulnerability assessments, ensuring secure deployment. * Design, build and maintain automation tooling to improve performance and reliability. * Diagnose and resolve performance issues across Linux, Docker, Terraform, Kubernetes and related technologies. * Produce and maintain high‑quality docu...