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Site Reliability Engineer's

F5
Reading, United Kingdom
Last week
£55,000 – £70,000 pa

Salary

£55,000 – £70,000 pa

Job Type
Permanent
Security Clearance
Required
Posted
26 May 2026 (Last week)

Benefits

Long-term programme stability Clear progression opportunities Access to industry certifications Thinktanks Hackathons Over 250,000 learning resources Opportunity to work on a high-impact national-scale cloud-native transformation programme Supporting Critical National Infrastructure World's Most Ethical Companies recognition
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Site Reliability Engineer's

Location: Reading- Hybrid working (2-3 days onsite)

Salary: Up to £70,000 (depending on experience and level)

Clearance: Active SC clearance required

  • We have exciting opportunities for Site Reliability Engineers varying in numerous levels to join a major UK critical infrastructure programme delivering large-scale cloud-native transformation at enterprise scale.
  • You'll be embedded within a Cloud Pod with a focused group of experienced engineers who collaborate to deliver and maintain services whilst working in a team culture built around support, shared ownership, and continuous improvement.
  • You'll work hands-on in a modern cloud-native environment leveraging Kubernetes, OpenShift, GitOps, service mesh, and observability tooling
  • There is genuine investment in your development through training, certifications, and the expertise of those around you. You'll also be part of a regular on-call rota supporting Critical National Infrastructure.

Skills Required

  • Strong hands-on expertise in Kubernetes and OpenShift (non-negotiable)
  • Experience troubleshooting key Operators including ServiceMesh, ODF, ACS, ACM, and AMQ
  • Ability to work within complex multi-cloud or hybrid environments with a solid foundation in distributed systems
  • Expertise in observability tooling such as Prometheus, Grafana, Loki, and Tempo
  • Proficiency in IaC tools such as Kustomize and Helm, with scripting skills in Bash/Python
  • Experience managing GitOps pipelines using Tekton, ArgoCD, or FluxCD
  • Strong growth mindset with a willingness to learn and continuously improve

Desirable

  • CKA or CKS Kubernetes certification
  • Experience working in secure or classified environments
  • Familiarity with Red Hat ACM/ACS and networking tools such as Submariner
  • Hands-on experience with EDB Postgres for enterprise-grade databases

In Return You'll Receive:

  • Long-term programme stability and clear progression opportunities
  • Access to industry certifications, thinktanks, hackathons, and over 250,000 learning resources
  • Opportunity to work on a high-impact national-scale cloud-native transformation programme supporting Critical National Infrastructure
  • Join one of the World's Most Ethical Companies, recognised by Ethisphere for 13 consecutive years

RSG Plc is acting as an Employment Agency in relation to this vacancy.

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