Site Reliability Engineer

About the job Site Reliability Engineer (Contract) – Linux & Kubernetes Specialist Location: Remote (EU travel required 2–3 times per year) Rate: £530 per day OUTSIDE OF IR35 Contract: Long-term Start: ASAP / Flexible We are looking for an experienced Site Reliability Engineer (SRE) to join a high-performing engineering team on a long-term contract. This role is predominantly remote, with periodic EU travel required 2–3 times per year, for up to 6 weeks at a time. Ideally the candidate will have an EU passport or willing to work around the EU work restrictions as a British passport holder. The successful candidate will play a key role in ensuring the reliability, scalability, security, and performance of our Kubernetes-based platforms and supporting infrastructure. Key Responsibilities Design, operate, and maintain highly available and scalable Kubernetes environments Ensure platform reliability through proactive monitoring, alerting, and incident response Implement and maintain secure networking, PKI, and service mesh solutions Troubleshoot complex issues across Linux, Windows, networking, and hardware layers Collaborate with engineering teams to improve system resilience and operational maturity Support infrastructure automation and observability initiatives Required Skills & Experience (Must Have) Kubernetes – strong hands-on experience operating production clusters Networking (Advanced & Basics) – deep understanding of TCP/IP, routing, DNS, load balancing, and network troubleshooting Linux – strong administration and troubleshooting skills Windows (Basics) – working knowledge of Windows systems PKI – certificates, TLS, and secure communications Hardware – understanding of server hardware and physical infrastructure (Service Mesh) – traffic management, security, and observability Nice to Have Windows (Advanced) – in-depth administration and troubleshooting Ansible – configuration management and automation Prometheus – monitoring and alerting solutions Optional / Beneficial Experience Storage Technologies & Hardware – enterprise storage systems and concepts Firewall Hardware – deployment and operational experience Cilium – eBPF-based networking and security Grafana / Loki – metrics visualization and log aggregation Virtualization in Kubernetes – running or integrating virtualized workloads within Kubernetes environments Location & Eligibility Predominantly remote role EU travel required 2–3 times per year (up to 6 weeks per trip) EU passport preferred, or willingness to work within EU work restrictions as a British passport holder