> Markdown version of [/jobs/ext/332443-cloud-support-engineer-l2](https://www.wearedevelopers.com/jobs/ext/332443-cloud-support-engineer-l2). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cloud Support Engineer (L2) - **Company:** Radiant - **Location:** London, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Cloud Computing, Cloud Engineering, Data Centers, Software Debugging, Linux, InfiniBand, Linux System Administration, Runbook, Software Engineering, Supercomputing, AI Infrastructure, Graphics Processing Unit (GPU), Cloud Platform System, High Performance Computing, Multi-Agent Systems, Software Troubleshooting, Information Technology - **Published:** June 6, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=8a9643c0fab27b25 ## About the Role Do you have experience in Technical support?, Past HPC or AI experience is not required. However, this role requires a strong background in customer-facing technical support, solid IT infrastructure fundamentals, and a desire to grow expertise in next-generation HPC and AI technologies such as GPUs, InfiniBand, parallel storage, and AI orchestration software. This is an excellent opportunity for an experienced support engineer to enter the AI infrastructure space and develop cutting-edge technical skills in a fast-growing industry., * Degree in Computer Science or a related STEM subject, or equivalent industry experience. * 3-5+ years of experience in a customer-facing technical support or cloud operations role. * Proven experience working with cloud, datacenter, and Linux environments. * Strong foundation in Linux system administration. * Familiarity with IT service management practices (e.g. ITIL concepts) is desirable. * Strong problem-solving skills and the ability to troubleshoot complex technical issues under pressure. * Excellent written and spoken communication skills (English), with the ability to explain technical concepts clearly to customers and internal teams. * A proactive, curious mindset and the resilience to thrive in a fast-paced, evolving environment. ## Description We are seeking a highly skilled Cloud Support Engineer to join our global Customer Support team. The primary goal of this team is to delight our customers worldwide by ensuring that any incident related to Radiant's Cloud Platform, High Performance Computing (HPC), and AI supercomputer fleet (some of the fastest machines in the world) is resolved swiftly and decisively in collaboration with our engineering teams and third-party suppliers. The Support team delivers 24/7, 365 on-call support using a "follow the sun" model to handle and resolve customer queries. As a Cloud Support Engineer, you will be a hands-on technical contributor, responsible for triaging, diagnosing, and resolving complex infrastructure issues while providing an exceptional customer experience., * Maintain the highest levels of customer satisfaction: you will ensure the brightest minds in the AI industry, who work on bleeding edge technologies, remain delighted at all times. You will play a key role firmly establishing Radiant as a specialist cloud provider offering the highest possible quality of service and support. * Deliver outstanding customer support: Ensure customers working on cutting-edge AI technologies receive timely, professional, and high-quality support at all times, helping to firmly establish Radiant as a specialist cloud provider known for excellence. * Respond to incoming customer queries: Act as the owner of assigned incidents by triaging requests, gathering relevant information (logs, metrics, reproducers), documenting findings, and driving issues toward resolution. * Advanced troubleshooting: Diagnose and debug sophisticated hardware and software issues across cloud, Linux, and datacenter environments. Resolve incidents independently where possible or propose effective workarounds. * Incident escalation and collaboration: Work closely with L3 and L4 support teams within Engineering to escalate complex issues, coordinate corrective actions, and restore affected systems to operational standards. * 24/7 support participation: Participate in Radiant's continuous "follow the sun" support model, ensuring effective handover of tickets between regions. Work outside standard business hours may be required, including being a part of an on-call rota. This will be adequately compensated. * Vendor interactions: Collaborate with third-party vendors when necessary to accelerate issue resolution, including coordinating diagnostics and hardware replacements. * New system delivery support: Occasionally contribute to the deployment of new AI supercomputers, assisting with installation, configuration, validation, and acceptance testing. * Documentation and knowledge sharing: Contribute to troubleshooting guides, runbooks, and internal documentation to improve support efficiency and knowledge reuse across the organisation. * Continuous improvement: Participate in retrospectives and lessons-learned sessions with Support, Engineering, and Product teams, and proactively suggest improvements to processes, tools, or platform capabilities. * Technical & professional development: Continuously develop your technical skills through training and hands-on experience with emerging cloud, HPC, and AI infrastructure technologies. * Travel: You may occasionally be required to travel globally to support Radiant initiatives, such as assisting on-site in one of our facilities or attending key industry events. ## Related Videos - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Technical Documentation - How Can I Write Them Better and Why Should I Care?](https://www.wearedevelopers.com/videos/681-technical-documentation-how-can-i-write-them-better-and-why-should-i-care) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [3 Key Steps for Optimizing DevOps Workflows](https://www.wearedevelopers.com/videos/962-3-key-steps-for-optimizing-devops-workflows) - [Running Secure Life Science Research at Scale using Hybrid GPU HPC and Kubernetes 🧬](https://www.wearedevelopers.com/videos/100355-running-secure-life-science-research-at-scale-using-hybrid-gpu-hpc-and-kubernetes) ## Related Articles - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Got AI ideas but no money? Here are 10 free ways to level up your AI skills with Google Cloud](https://www.wearedevelopers.com/magazine/600-got-ai-ideas-but-no-money-here-are-10-free-ways-to-level-up-your-ai-skills-with-google-cloud) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [The Fastest-Growing Tech Sectors to Look Out for in 2025](https://www.wearedevelopers.com/magazine/373-the-fastest-growing-tech-sectors-to-look-out-for-in-2025) - [What Industries Outside of AI Are Hiring The Most AI Experts?](https://www.wearedevelopers.com/magazine/98-what-industries-outside-of-ai-are-hiring-the-most-ai-experts) - [6 Emerging Technologies We’ll Learn About in 2025](https://www.wearedevelopers.com/magazine/381-6-emerging-technologies-we-ll-learn-about-in-2025)