AI Compute Data Centre Operations Engineer

Radiant; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Radiant is building an on-site East London AI infrastructure hub. We seek a deeply technical Datacentre Operations Engineer to execute hands-on hardware operations and ensure world-class SLAs across high-density, air-cooled compute.

You’ll work with HPC/SRE, Network Engineering, and Strategy teams to deploy, maintain, and troubleshoot NVIDIA B300-class platforms, busbar power, and advanced cooling. Strong troubleshooting and first-principles thinking matter most.

Qualifications

• Degree in Computer Science or Electrical Engineering or 5+ years in data centre operations.
• 3+ years in data centre/HPC environments with GPU platforms.
• Strong English communication skills.
• Hands-on with HPC/NVIDIA GPUs and high-density compute systems.
• Experience with high-density air cooling systems and busbar power distribution.
• Willing to travel across EMEA for onboarding and outages.

Responsibilities

• Diagnose and resolve hardware and network issues to maximise uptime.
• Respond to critical hardware alerts and contribute to service improvements.
• Deploy and maintain HPC/AI hardware, including firmware updates.
• Execute break/fix on GPU modules and chassis components.
• Operate high-density air cooling, containment, and cooling management.
• Manage RMAs and vendor relationships; document learnings.
• Provide 24x7 on-site coverage with a structured shift pattern.
• Document processes and automate remediation where possible.
• Communicate decisions clearly to stakeholders and customers.
• Travel across EMEA to support onboarding and knowledge transfer.

Skills

Data centre ops

GPU HPC

English skills

Hardware install

Fault isolation

ITSM

Cooling systems

Busbar power

Break/fix

Vendor liaison

Networking basics

Education

Bachelor's degree in Computer Science or Electrical Engineering

Tools

NVIDIA GPU platforms

ITSM tooling

Job description

Radiant is building an on-site East London AI infrastructure hub. We seek a deeply technical Datacentre Operations Engineer to execute hands-on hardware operations and ensure world-class SLAs across high-density, air-cooled compute.

You’ll work with HPC/SRE, Network Engineering, and Strategy teams to deploy, maintain, and troubleshoot NVIDIA B300-class platforms, busbar power, and advanced cooling. Strong troubleshooting and first-principles thinking matter most.