Cluster Architect

<p style="min-height:1.5em"><strong>About Radiant</strong></p><p style="min-height:1.5em">Radiant is redefining how AI infrastructure is built.</p><p style="min-height:1.5em">We design and operate AI-native cloud platforms engineered for sovereignty, performance, and scale. Our infrastructure powers GPU-native workloads, multi-tenant control planes, and high-performance AI systems designed for the most demanding environments.</p><p style="min-height:1.5em">We are not building a generic cloud. We are building purpose-built AI infrastructure - from powered land, to compute, to software .</p><p style="min-height:1.5em">As we scale our platform and expand our engineering organisation, we are looking for leaders who can build strong teams, uphold high standards, and deliver reliably at pace.</p><p style="min-height:1.5em">As part of the Infrastructure Solutions team, the Cluster Architect is the tip of the spear leading Radiant’s new GPU deployments. The Cluster Architect contributes to the technical strategy, reference architecture, and governance standards underpinning Radiant's GPU compute platform. They translate the high-level designs provided by the Customer Success organization into fully operational supercomputers. In conjunction with the Datacenter Engineering team, they lead the definition of the low-level design of upcoming high-performance computing (HPC) and artificial intelligence (AI) infrastructure deployments.</p><p style="min-height:1.5em">You must be a solution finder, able to adapt to evolving technology and customer requirements, and be ready to handle scale. The right person for this role will be technically focused and detail-oriented, and able to work with the broader team to successfully deliver some of the world’s largest supercomputers at a rapid pace with precision. It is critical to document each step of the process to enable effective communication with internal and external stakeholders.</p><p style="min-height:1.5em"><strong>About the Infrastructure Team</strong></p><p style="min-height:1.5em">The Infrastructure Engineering team spearheads the strategy, roadmap, and delivery of critical HPC/AI infrastructure to the broader Technology and Customer organizations. Its mission is to deploy scalable, secure, and efficient infrastructure solutions tailored to the organization's strategic needs. The team defines Radiant’s supercomputers’ reference architecture in line with the customer, software, and operational requirements of the company.</p><p style="min-height:1.5em">They work closely with third-party suppliers to provide and ma...

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