Lead AI GPU Compute Cluster Architect

Radiant in the United Kingdom seeks a Cluster Architect to lead low-level design of AI HPC deployments and translate high-level requirements into production-grade infrastructure. You will collaborate with the Infrastructure Solutions and Engineering teams to define reference architectures, drive RFx evaluations, and ensure scalable, reliable GPU-based systems for demanding workloads.

The role emphasizes documentation, vendor engagement, and hands-on delivery to turn designs into deployable