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)