Platform Reliability Engineer

Job summary

The Senior Platform Reliability Engineer owns the reliability of GPU interconnects, high-performance network fabrics, DPU-based host networking, and production AI infrastructure. The role responds to incidents across Linux, Kubernetes, GPU compute, virtualisation, and large-scale storage, while building controlled automation and improving service monitoring and remediation. It also manages vendor escalations and operational changes for a 24/7 estate using technologies such as InfiniBand, RoCE, Prometheus, and Terraform.

Qualifications

• Experience operating production infrastructure in a 24/7 environment using site reliability engineering practices.
• Strong Linux troubleshooting skills, including storage, host networking, processes, memory, and I/O.
• Experience with scale-out, parallel, or enterprise storage.
• Familiarity with virtualisation platforms such as Proxmox, VMware, or KVM.
• Experience using observability tools and querying metrics and logs.
• Experience with infrastructure as code, GitOps, and operational scripting.
• Familiarity with server hardware support, vendors, and production security practices.
• Clear written communication and a collaborative working style.
• Preferred experience with GPU or HPC infrastructure, high-performance fabrics, Kubernetes, bare-metal provisioning, service-provider environments, ITSM tools, and ISO 27001 or SOC 2 controls.

Responsibilities

• Own reliability of GPU interconnect domains, high-performance network fabrics, and DPU-based host networking.
• Triage and resolve incidents across Kubernetes, storage, virtualisation, networking, and Linux hosts.
• Operate multi-tenant management planes, virtualised shared services, distributed filesystems, object storage, and GPU compute fleets.
• Build and maintain controlled automation, remediation tooling, and operational runbooks.
• Monitor service objectives, correlate metrics, logs, and traces, and improve actionable alerts.
• Deliver changes through peer review, testing, staged rollout, and rollback planning.
• Perform patching and urgent vulnerability remediation.
• Manage vendor support cases and provide diagnostic evidence.
• Participate in major incident recovery, on-call duties, and blameless post-incident reviews.

Skills

Certifications

Degrees

Languages

Work schedule

Travel

Industry

Relocation