SRE Tech Lead: Kubernetes & OpenShift Reliability Authority

F5 Consultants; Reading; Hybrid; GBP 95,000 - 116,000; Full time

Benefits offered by this job

5% bonus

Hybrid working in Reading area

Professional development

Flexible benefits

Job summary

F5 Consultants is seeking an experienced SRE Technical Lead to drive reliability on a major UK Critical National Infrastructure programme. The role combines strong Kubernetes/OpenShift expertise with deep SRE leadership across multiple teams and suppliers, owning reliability standards and ensuring stable, scalable platforms.

You will define SRE strategy, drive observability, automation, IaC and blameless post-incident improvements, while mentoring senior engineers and maintaining a high-security

Qualifications

• Strong commercial experience with Kubernetes and OpenShift

Responsibilities

• Define and drive SRE strategy, including SLAs, SLOs, error budgets and reliability standards
• Provide technical leadership across complex Kubernetes and OpenShift environments
• Drive automation across monitoring, incident response, recovery and remediation
• Shape observability, capacity management and operational readiness practices
• Act as a senior technical escalation point for major incidents and high-risk releases
• Lead reliability reviews, toil reduction and blameless post-incident improvements
• Govern reliability-focused IaC, GitOps and CI/CD practices
• Mentor Senior SREs and engineers, raising engineering standards across multiple teams and suppliers

Skills

Kubernetes

OpenShift

SRE

SLAs SLOs

Observability

Prometheus

Grafana

Loki

Tempo

OpenTelemetry

IaC

GitOps

Helm

Kustomize

ArgoCD

Tekton

Multi-cloud

CI/CD

Leadership

SC clearance

Tools

Prometheus

Grafana

Loki

Tempo

OpenTelemetry

ArgoCD

Tekton

Istio

Red Hat ACM/ACS

Submariner

PostgreSQL Enterprise

Job description

F5 Consultants is seeking an experienced SRE Technical Lead to drive reliability on a major UK Critical National Infrastructure programme. The role combines strong Kubernetes/OpenShift expertise with deep SRE leadership across multiple teams and suppliers, owning reliability standards and ensuring stable, scalable platforms.

You will define SRE strategy, drive observability, automation, IaC and blameless post-incident improvements, while mentoring senior engineers and maintaining a high-security