Senior Site Reliability Engineer, SRE

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🔥 0 minutes ago

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

⛑ DevOps & Site Reliability Engineer (SRE)

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Investigo

WebsiteLinkedInAll Job Openings

201 - 500 employees

We’re a leading recruiter with a team of over 250 consultants working in London, Guildford, Milton Keynes, St Albans, Birmingham, New York, Philadelphia, and San Diego.

📋 Description

• Operate, harden and extend production OpenShift / OKD / Kubernetes clusters across on-premises and hybrid environments. • Supporting migrations, helping modernise the underlying compute and infrastructure layer. • Own CI/CD processes across the full lifecycle of platform and application components. • Own and mature GitOps deployment practices, particularly using tools such as Argo CD. • Support cloud-native application delivery using tools such as Helm and Kustomize. • Maintain and improve core platform services including Keycloak, ingress, observability, certificate management, service mesh and container registry capabilities. • Build and operate observability across logs, metrics, traces, alerting, SLOs and error budgets. • Improve platform hardening in line with secure and regulated environment requirements. • Automate repeatable operational tasks using tools such as Ansible, Terraform, Helm, Kustomize, Go, Python or similar. • Lead incident response activity, support blameless post-mortems and drive systemic fixes. • Partner with networking and security teams on platform integration, segmentation, load balancing and accreditation evidence. • Create and maintain clear technical documentation, runbooks, design notes and operational guidance. • Mentor engineers and act as a senior technical authority across cloud and Kubernetes operations. • Participate in an on-call rota, with appropriate compensation.

🎯 Requirements

• Strong experience running production Kubernetes environments, not just consuming or deploying into them. • Strong Linux fundamentals, including systems, networking, storage and performance troubleshooting. • Experience with Kubernetes distributions such as OKD, OpenShift, vanilla Kubernetes, Rancher, EKS, AKS or GKE. • Infrastructure as code experience, including Ansible plus Terraform or equivalent. • Experience with Helm, Kustomize or similar cloud-native deployment tooling. • GitOps and CI/CD experience managing full application and component lifecycles, using tools such as Argo CD, Flux, GitHub Actions or similar. • Observability across logs, metrics and traces, using tools such as Prometheus, Grafana, Elastic Stack, LGTM and OpenTelemetry. • Experience with identity and access technologies such as OIDC, SAML, SCIM or Keycloak. • Experience with virtualisation or infrastructure platforms such as KVM, libvirt or VMware. • Scripting or tooling experience using Go, Python, shell scripting or similar. • Strong troubleshooting, problem-solving and analytical skills. • Experience working in secure, regulated or enterprise-scale environments. • Strong written and verbal communication skills, with the ability to produce clear documentation, runbooks, post-mortems and technical guidance. • Eligibility to hold UK SC clearance. • Desirable (Not Essential) • Specific OpenShift or OKD experience, including operators, MachineConfig or SCCs. • Service mesh experience such as Istio or Linkerd. • Policy engine experience such as OPA, Gatekeeper or Kyverno. • Software supply chain security experience, including SBOMs, image signing, admission control or tools such as Sigstore. • Storage experience such as Ceph, Longhorn, OpenShift Data Foundation or equivalent. • Networking experience including BGP, VXLAN, Palo Alto or Juniper technologies. • AI, ML or GPU-enabled platform operations. • CKA, CKAD, CKS, Red Hat certifications or equivalent. • Active or recent UK SC clearance. • Recognised open-source contributions to the Kubernetes ecosystem.

🏖️ Benefits

• Private Medical • Health Cash Plan • 4x Life Assurance • Inclusive Culture: Enjoy an inclusive culture and environment. • Holiday: Generous holiday allowance. • Learning: Access to continuous learning and development opportunities. • Bonus Potential: Bonus potential based on performance and business-related factors. • Discounts: Discounts on a wide range of products and services. • Pension: Pension scheme contributions. • EV Car Scheme • Regular Pay Reviews • More Benefits: Explore additional benefits on our career site.