Data Center Architect

Overview

Radiant operates AI-native cloud platforms and is seeking a Data Center Architect to join the team as a senior individual contributor. The position is based in London, United Kingdom, operating on a hybrid work model. The role reports to the Head of Data Center Development and involves working closely with cluster architects, network architects, OEMs such as NVIDIA, colocation providers, and internal teams including Procurement, Legal, Finance, and Site Operations.

Who can apply

Applicants should have eight or more years of experience in data center design, delivery, or technical consulting. This background must include a minimum of three years focused on high-density deployments of 50 kW per rack or more, or liquid-cooled deployments.

Requirements

Candidates must possess direct experience in writing or reviewing technical specifications and statements of work for white-space fitout, along with managing contractors against those specifications through acceptance. A strong working knowledge of data center power is required, encompassing medium and low voltage distribution, uninterruptible power supply and generator topologies, redundancy models, busway and rack power, as well as metering and power quality.

Applicants need a strong working knowledge of cooling systems, including direct-to-chip liquid cooling, coolant distribution units, facility and technology loops, warm-water and dry-cooler designs, fluid quality and flushing, leak detection, and containment. Familiarity with structured cabling and pathways for large GPU fabrics, such as single-mode optics, high fibre counts, and InfiniBand and Ethernet physical layers, is necessary. Candidates must also understand rack and POD layouts, be familiar with NVIDIA rack-scale platforms including GB200 or GB300 class or later, and have the ability to critically read OEM site-requirement documents.