Principal Site Reliability Engineer

• We will have you serve as a senior technical contributor within our Cloud Pod.
• We will have you build, maintain, and improve platform reliability across complex Kubernetes and OpenShift environments.
• We will have you work within a modern cloud-native environment using Kubernetes, OpenShift, GitOps, service mesh, observability tooling, and automation-first engineering practices.
• We will have you take a leading voice in platform stability and help shape SRE best practices across the programme.
• We will have you mentor others and set technical standards rather than manage people.
• We will have you contribute to a major UK critical infrastructure programme delivering large-scale cloud-native transformation at enterprise scale.
• We will have you support critical platforms operating in a modern enterprise environment.

Technologies:

• ArgoCD
• Bash
• CI/CD
• Cloud
• GitOps
• Grafana
• Helm
• Istio
• Support
• Kubernetes
• OpenShift
• Prometheus
• Python
• DevOps
• Embedded
• PLC

• We require strong hands-on expertise in Kubernetes and OpenShift.
• We require experience working in complex multi-cloud or hybrid environments.
• We require proficiency in service mesh technologies such as Istio.
• We require experience with observability stacks including Prometheus, Grafana, Loki, and Tempo.
• We require strong Infrastructure as Code experience using Kustomize or Helm.
• We require scripting skills in Bash and/or Python.
• We require CI/CD pipeline experience using GitOps principles such as Tekton, ArgoCD, or FluxCD.
• We require a strong automation mindset with a focus on consistency and reliability.
• We require active SC clearance.
• We prefer familiarity with Red Hat ACM/ACS and networking tools such as Submariner.
• We prefer hands-on experience with EDB Postgres for enterprise-grade databases.
• We prefer CKA or CKS certification.
• We prefer experience mentoring junior engineers and promoting best practices across teams.

We are hiring a Principal Site Reliability Engineer for a major UK critical infrastructure programme. This is a senior, hands-on technical role based in Reading with hybrid working of 2 to 3 days onsite, and the salary is £95,000 plus bonus. You will join our high-performing Cloud Pod and work within a modern cloud-native environment supporting complex Kubernetes and OpenShift platforms. We offer long-term programme stability, clear progression opportunities within a growing cloud and platform engineering practice, access to industry certifications, thinktanks, hackathons, and over 250,000 learning resources, and the opportunity to develop your SRE capabilities while supporting Critical National Infrastructure. We are also proud to be part of a company recognised by Ethisphere as one of the Worlds Most Ethical Companies for 13 consecutive years.