Platform Engineer / SRE

Role Title: Platform Engineer / SRE
Duration: 6 Months
Location: Milton Keynes (1 Day per Month Onsite)
Rate: £550-£650p/d via Umbrella
Clearance: Credit Check Required

What You will do

• Operate and enhance our Kubernetes platform across AWS, Azure, and on-prem.
• Lead incident response, problem management, and root-cause analysis.
• Deliver cluster lifecycle work: upgrades, patching, node pools, CNI/CSI, ingress, and Rancher operations.
• Own observability, dashboards, alerting, and SLOs/SLIs.
• Implement GitOps (Fleet) and reduce toil through automation and strong governance.
• Apply secure API gateway and WAF patterns.
• Work with distributed system patterns, including event brokers and asynchronous messaging.
• Maintain security posture: CVE remediation, GRC controls, scanning pipelines.

Your Skills

• Deep knowledge of Kubernetes, Rancher, GitOps, Linux, and cloud networking.
• Understanding of API gateway and WAF patterns.
• Experience with distributed systems and event driven architectures.
• Strong automation/scripting (Python, Go, Bash, PowerShell, .NET).
• IaC:
  • Terraform for foundational/bootstrap cluster provisioning.
  • Crossplane as an orchestration layer (leveraging Terraform providers).
• Ability to work securely within PCI DSS / GDPR patterns.
• CI/CD: Concourse, GitHub Actions, Azure DevOps.
• Observability: Grafana, Prometheus, Jaeger/Tempo, CloudWatch, Loki, OpenTelemetry.

Nice to Have

• AWS operational experience.
• Service mesh (Istio/Kuma).
• Hybrid cloud experience (AWS + Azure + on-prem).
• Payments or regulated industry background.

Success Looks Like

• High uptime and platform stability.
• Reduced toil through automation and GitOps.
• Smooth, predictable upgrade cycles.
• Fewer CVEs and platform risks.
• Faster onboarding for new tenants and workloads