Principal Site Reliability Engineer

Location: Woking / London (Hybrid)

Salary: £85,000 - £100,000

We’re looking for a Principal SRE to lead the design and delivery of scalable, cloud-native platforms supporting critical UK services. You’ll work in collaborative Cloud Pods, combining hands-on engineering with technical leadership.

What you’ll do

Build and operate reliable, scalable platforms using GitOps

Drive automation, observability, and resilience (error budgets, SLOs)

Work in Agile teams focused on customer outcomes

Mentor engineers and champion SRE best practices

Contribute to platform strategy and continuous improvement

Take part in an on-call rota for live services

?? What you’ll bring

Proven experience in Site Reliability Engineering leadership

Strong skills in Kubernetes / OpenShift

Experience across multi-cloud or hybrid environments

Knowledge of tools like Istio, Prometheus, Grafana, ArgoCD/FluxCD

Experience with Infrastructure as Code (Helm/Kustomize)

Scripting skills (Python / Bash)

Why join?

Work on high-impact, critical systems

Collaborative, supportive engineering culture

Strong focus on learning, certifications, and progression

Details

Hybrid: home, Woking/London offices, and client sites

SC Clearance required (5 years UK residency)

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