Site Reliability Engineer

Salary: £130,000 - 150,000 per year

Requirements:

• 4+ years of experience in SRE, reliability, or platform engineering, focused on observability for large-scale distributed systems
• Hands-on expertise building, scaling, and operating production observability stacks, and diagnosing complex performance and availability issues
• Strong production experience with GCP and Kubernetes
• Practical Infrastructure as Code and GitOps experience for configuration and deployment management
• Proficiency in Go or Python for automation and tooling
• Proven track record defining, implementing, and governing SLO, SLI, and error budget frameworks for high-availability services

Responsibilities:

• Design, build, and scale a unified observability platform using metrics, logging, and tracing tools such as Prometheus, Grafana, Loki, OpenTelemetry, and Tempo or Jaeger
• Define and manage end-to-end SLOs, SLIs, and error budgets to support production readiness and reliability
• Partner with engineering teams to embed standards, establish instrumentation best practices, and roll out consistent tooling
• Automate deployment, scaling, and lifecycle management using Terraform and GitOps tools such as ArgoCD
• Collaborate with infrastructure teams to deliver visibility across Kubernetes and multi-cloud environments
• Lead monitoring, alerting, and incident response; foster proactive reliability, blameless post-mortems, and continuous improvement

Technologies:

• ArgoCD
• Cloud
• GCP
• GitOps
• Grafana
• Support
• Kubernetes
• OpenTelemetry
• Prometheus
• Python
• Terraform
• DevOps

More:

We are a pioneering advanced technology organisation and a global leader in software-defined networking platforms for the aerospace sector. Our work supports critical connectivity infrastructure and next-generation space missions. In this remote Site Reliability Engineer role, you will design the visibility layer that powers reliability for satellite constellations, ground station networks, and deep-space communications systems. The salary is £130,000–£150,000. We offer the opportunity to contribute to cutting-edge projects.

last updated 39 week of 2026