About this role
Salary: £100,000 - 100,000 per year
Requirements: Active SC clearanceStrong commercial experience with Kubernetes and OpenShiftProven SRE or reliability engineering experience in large-scale production environmentsExperience defining or working with SLAs, SLOs and error budgetsStrong observability experience with tools such as Prometheus, Grafana, Loki, Tempo or OpenTelemetryStrong Infrastructure as Code and GitOps experience, ideally with Helm, Kustomize, ArgoCD or TektonExperience across multi-cloud or hybrid environmentsStrong CI/CD and automation experienceAbility to provide technical leadership, influence engineering teams and mentor others without relying on formal line managementExperience with Istio, Red Hat ACM/ACS, Submariner or enterprise Postgres is advantageous Responsibilities: Define and drive SRE strategy, including SLAs, SLOs, error budgets and reliability standardsProvide technical leadership across complex Kubernetes and OpenShift environmentsDrive automation across monitoring, incident response, recovery and remediationShape observability, capacity management and operational readiness practicesAct as a senior technical escalation point for major incidents and high-risk releasesLead reliability reviews, toil reduction and blameless post-incident improvementsGovern reliability-focused Infrastructure as Code, GitOps and CI/CD practicesMentor Senior SREs and engineers, raising engineering standards across multiple teams and suppliers Technologies: ArgoCDCI/CDCloudGitOpsGrafanaHelmIstioKubernetesKustomizeOpenTelemetryOpenShiftPLCPrometheusDevOps 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