SRE Technical Lead

SRE Technical Lead

📍 Reading / Hybrid (UK-based - mix of home, office, and client site)

🔐 Must be eligible for SC Clearance

We are seeking an experienced SRE Technical Lead to act as the technical authority for Site Reliability Engineering across complex, large-scale platforms.

This is a senior, client-facing leadership role where you will be responsible for driving reliability, availability, and operational excellence across multi-team and multi-vendor environments.

You will combine hands-on engineering expertise with strategic leadership, ensuring SRE practices are embedded across the full service lifecycle-from design through to production operations.

As the SRE Technical Lead, you will:

Define and implement SRE strategy, standards, and best practices, including SLAs, SLOs, and error budgets

Embed reliability principles into platform and service design from the outset

Lead key SRE practices such as reliability reviews, operational readiness, and toil reduction

Drive automation across monitoring, incident response, and remediation

Act as the technical escalation point for major incidents and high-risk releases

Lead blameless post-incident reviews and ensure continuous improvement

Establish observability and capacity management practices using modern tooling

Identify and eliminate systemic reliability risks and operational inefficiencies

Collaborate with engineering, platform, security, and operations teams across multiple vendors

Provide coaching and mentorship to engineers, raising SRE capability across the organisation

Essential experience:

Deep expertise in Kubernetes and/or OpenShift

Experience working in multi-cloud or hybrid cloud environments

Strong understanding of SRE principles (SLOs, SLAs, error budgets, reliability engineering)

Hands-on experience with observability tooling (e.g., Prometheus, Grafana, OpenTelemetry, Loki, Tempo)

Strong knowledge of Infrastructure as Code and GitOps (e.g., Helm, Kustomize, ArgoCD, Tekton)

Experience with CI/CD pipelines and automation

Proven ability to operate as a technical leader in complex, multi-team environments