SRE Technical Lead - SC Cleared
Summary
Senior SRE Technical Lead on a UK Critical National Infrastructure programme, acting as the reliability authority: defining SLAs/SLOs and error budgets, leading Kubernetes/OpenShift reliability, automation, observability and GitOps practices, and mentoring engineers. Requires active SC clearance; stack includes Kubernetes, OpenShift, Prometheus/Grafana and ArgoCD.
Salary: £100,000 - 100,000 per year
Requirements:- Active SC clearance
- Strong commercial experience with Kubernetes and OpenShift
- Proven SRE or reliability engineering experience in large-scale production environments
- Experience defining or working with SLAs, SLOs and error budgets
- Strong observability experience with tools such as Prometheus, Grafana, Loki, Tempo or OpenTelemetry
- Strong Infrastructure as Code and GitOps experience, ideally with Helm, Kustomize, ArgoCD or Tekton
- Experience across multi-cloud or hybrid environments
- Strong CI/CD and automation experience
- Ability to provide technical leadership, influence engineering teams and mentor others without relying on formal line management
- Experience with Istio, Red Hat ACM/ACS, Submariner or enterprise Postgres is advantageous
- 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 Infrastructure as Code, GitOps and CI/CD practices
- Mentor Senior SREs and engineers, raising engineering standards across multiple teams and suppliers
- ArgoCD
- CI/CD
- Cloud
- GitOps
- Grafana
- Helm
- Istio
- Kubernetes
- Kustomize
- OpenTelemetry
- OpenShift
- PLC
- Prometheus
- DevOps
More:
We are recruiting an SRE Technical Lead for a major UK Critical National Infrastructure programme. This is a senior technical leadership role in a modern Kubernetes and OpenShift environment, with the opportunity to become the SRE technical authority and shape reliability engineering practices. The role is based in the Reading area with hybrid working and offers a salary of up to £105,000 plus bonus, professional development, certifications, long-term career progression, flexible benefits and a focus on employee wellbeing. RSG Plc is acting as an Employment Agency in relation to this vacancy.
last updated 41 week of 2026