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SRE Technical Lead @ 83zero Ltd

Bridge Avenue, WokinghamOnsiteFull-time
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About this role

Salary: £90,000 - 100,000 per year

Requirements: Hold active SC (Security Check) clearance.Be a sole UK national.Have strong technical expertise gained within enterprise-scale environments.Have deep knowledge of Kubernetes and OpenShift.Have experience designing and supporting hybrid and multi-cloud platforms.Have experience with service mesh technologies such as Istio.Have strong hands-on experience with observability tooling including Prometheus, Grafana, Loki, Tempo and OpenTelemetry.Have Infrastructure as Code and GitOps expertise using tools such as Helm, Kustomize, ArgoCD and Tekton.Have experience building and improving CI/CD pipelines with a focus on reliability engineering.Have familiarity with Red Hat ACM/ACS, Submariner networking and enterprise databases such as PostgreSQL.Have a proven track record of providing technical leadership across complex, multi-vendor environments. Responsibilities: Define and drive our SRE strategy, standards, SLAs, SLOs and error budgets.Embed reliability engineering principles into our platform and service design.Lead the adoption of core SRE practices including reliability reviews, operational readiness and toil reduction.Drive automation across monitoring, incident response, recovery and remediation.Govern reliability-focused Infrastructure as Code, CI/CD pipelines and operational tooling.Identify and remove systemic causes of operational overhead while improving scalability, resilience and operability.Act as the senior technical escalation point for major incidents and high-risk releases.Lead blameless post-incident reviews and ensure measurable service improvements.Define and oversee observability, monitoring and capacity management practices.Ensure our SRE approaches align with security, governance and compliance requirements.Mentor and coach senior engineers, helping to improve SRE maturity across engineering teams. Technologies: ArgoCDCI/CDCloudGitOpsGrafanaHelmIstioKubernetesKustomizeOpenTelemetryOpenShiftPostgreSQLPrometheusSecurityDevOps More:

We are hiring an SRE Technical Lead to take ownership of the reliability, availability and operational excellence of critical platforms within complex, multi-vendor environments. This is a senior technical leadership role where you will act as the technical authority for Site Reliability Engineering, working closely with stakeholders, engineering teams and delivery partners to drive reliability across large-scale cloud platforms. The position is hybrid in the UK, with office, client site and home-based working. We offer a salary of up to £100,000, a 5% annual bonus, and the opportunity to lead reliability engineering across large-scale, business-critical platforms while working with modern cloud-native technologies and complex enterprise environments. Please note that active SC clearance and sole UK nationality are mandatory requirements for this position.

last updated 31 week of 2026

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