Site Reliability Engineers (SREs) – OpenShift Specialists

Location: Wokingham (Reading) | Hybrid (60% remote / 40% onsite)
Duration: Until 30/01/2026 – with potential extension
Rates:
  • Up to £390/day – SRE (x2)
  • Up to £480/day – Senior SRE (x1)
  • Up to £560/day – Principal SRE (x1)
  • Clearance: Active SC Clearance required
    Engagement: Inside IR35


We’re seeking OpenShift-focused Site Reliability Engineers (SREs) at multiple levels to support a major programme in the Critical National Infrastructure (CNI) sector. This is an exciting opportunity to work on a high-impact platform ensuring scalability, reliability, and security for essential systems. You’ll be part of a cross-functional engineering team, working with cutting-edge cloud-native technologies to automate, monitor, and optimize complex OpenShift environments.

Key Responsibilities
  • Collaborate within Agile teams to drive automation, deployment, and infrastructure management.
  • Ensure high availability, performance, and compliance of platforms and business-critical applications.
  • Implement and manage observability stacks (Prometheus, Grafana, Loki, Tempo).
  • Develop Infrastructure as Code (IaC) using Helm or Kustomize.
  • Build and maintain CI/CD pipelines using Tekton and ArgoCD.
  • Support and troubleshoot OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ).
  • Conduct security reviews and apply controls aligned with national infrastructure standards.
  • Mentor team members and promote SRE best practices across teams.
  • Work closely with vendors and internal IT teams to resolve incidents and improve platform reliability.


What You’ll Bring
  • Hands-on OpenShift and Kubernetes expertise (essential).
  • Strong experience with Red Hat Linux environments.
  • Scripting and automation skills (Bash, Python).
  • Proficiency in Helm, Kustomize, and IaC practices.
  • Proven experience with CI/CD pipelines and GitOps tooling.
  • Solid understanding of security and compliance in regulated environments.
  • Experience with VMware vSphere and hybrid infrastructure setups.
  • Excellent communication skills and experience working with distributed teams.