Senior HPC/AI Infra SRE — 24/7 GPU Compute Reliability

Radiant

England

On-site

GBP 70,000 - 90,000

Full time

14 days+

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Benefits offered by this job

Exposure to industry-leading GPU and AI infrastructure

Collaborative, inclusive, and supportive engineering culture

Real ownership and influence over operational excellence

Job summary

Radiant in the United Kingdom is seeking a Senior Infrastructure Site Reliability Engineer, responsible for ensuring the reliability and performance of high-performance computing infrastructure. This role demands expertise in large-scale distributed systems and operational excellence within a 24/7 support model.

The ideal candidate will have extensive experience with GPU technologies, Linux systems, and performance tuning. Join us to work with advanced technology that influences next-generation compute environments.

Qualifications

8+ years experience in Site Reliability Engineering, Infrastructure Engineering, or similar roles.
2–3+ years recent experience in HPC or AI infrastructure.
Strong Linux expertise, especially in production troubleshooting.

Responsibilities

Operate and improve high-density AI/HPC infrastructure in a 24/7 production environment.
Lead performance evaluation, testing, and operational acceptance of new HPC infrastructure.
Drive continuous service improvement through automation and process refinement.