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