Cloud Support Engineer (L1)

Job Summary:We are seeking a Cloud Support Engineer (L1) to join our global Customer Support team and act as the first point of contact for customers using Radiant’s Cloud Platform, High Performance Computing (HPC), and AI supercomputer infrastructure.The primary goal of the L1 Support team is to deliver an excellent customer experience by responding quickly, communicating clearly, and ensuring every incident is correctly triaged, documented, and routed for resolution. The team operates a 24/7, 365 “follow the sun” on-call support model to ensure continuous coverage for our global customer base.As a Cloud Support Engineer (L1), you will focus on initial incident response, issue classification, basic troubleshooting, and escalation to L2/L3 engineering teams when required. This role is ideal for someone early in their cloud or infrastructure support career who is eager to develop skills in AI and HPC technologies while working in a fast-paced, customer-facing environment.About our team:Radiant is at the forefront of AI infrastructure, revolutionising the connection between software and hardware for the AI era. Our mission is to empower AI teams with scalable, secure, and efficient infrastructure solutions that support seamless model training, deployment, and scaling.Join a team operating some of the world’s most advanced high-performance computing infrastructure. As a Cloud Support Engineer, you will support cutting-edge GPU and CPU platforms — including the latest NVIDIA architectures — powering dense, large-scale compute environments used for AI, machine learning, and next-generation workloads.This is an opportunity to build expertise at the forefront of modern infrastructure, where reliability, scale, and performance matter every day. You’ll collaborate with experienced engineers across a globally distributed organisation that values openness, inclusion, technical excellence, and continuous learning.We move quickly, solve meaningful challenges, and give people the