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

