Senior Data Centre Architect for AI Infra (UK Hybrid)

Radiant; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

Radiant is seeking a senior Data Centre Architect to act as the sole technical authority between the GPU-as-a-service platform and colocation providers. You will translate OEM requirements into a precise SOW for data centre spaces, and shepherd it through design, installation and acceptance at scale.

You will influence power, cooling, fibre and rack layouts across rapidly growing, liquid-cooled deployments, with substantial commercial weight and risk management across multiple sites.

Qualifications

• 8+ years in data centre design, delivery or technical consulting.
• Direct experience writing or reviewing technical specifications and SOWs for white-space fitout.
• Proven ability to run technical negotiations with colocation or construction counterparties.
• Excellent written communication: you produce clear, contract-grade documents.

Responsibilities

• Lead technical due diligence on candidate sites: power, redundancy, cooling and routing.
• Write and own the SOW for white-space fitout and ensure traceability to OEM requirements.
• Define acceptance criteria and manage evidence packages for each gate.
• Review provider designs against the SOW and sign off or reject as needed.

Skills

Data centre design

High-density cooling

Vendor negotiation

Technical writing

SOW development

Tools

NVIDIA platforms

BIM

Digital-twin tools

Job description

Radiant is seeking a senior Data Centre Architect to act as the sole technical authority between the GPU-as-a-service platform and colocation providers. You will translate OEM requirements into a precise SOW for data centre spaces, and shepherd it through design, installation and acceptance at scale.

You will influence power, cooling, fibre and rack layouts across rapidly growing, liquid-cooled deployments, with substantial commercial weight and risk management across multiple sites.