Cloud Infrastructure Support Engineer

About the Company

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.

Responsibilities

• Maintain high levels of customer satisfaction for AI industry professionals
• Respond to incoming customer queries by triaging requests and gathering logs, metrics, and reproducers
• Diagnose and debug sophisticated hardware and software issues across cloud, Linux, and datacenter environments
• Escalate complex issues to L3 and L4 engineering teams
• Participate in a 24/7 "follow the sun" on-call support model
• Collaborate with third-party vendors for hardware replacements and diagnostics
• Contribute to troubleshooting guides, runbooks, and internal documentation
• Assist with the deployment, configuration, and validation of new AI supercomputers

Requirements

• Degree in Computer Science or a related STEM subject, or equivalent industry experience
• 3–5+ years of experience in customer-facing technical support or cloud operations
• Proven experience with cloud, datacenter, and Linux environments
• Strong foundation in Linux system administration
• Excellent written and spoken English communication skills
• Ability to troubleshoot complex technical issues under pressure

Preferred Qualifications

• Familiarity with IT service management practices (e.g., ITIL concepts)
• Interest in or experience with GPUs, InfiniBand, parallel storage, and AI orchestration software

Benefits

• 25 days of annual leave
• Private medical insurance via Bupa
• Dedicated learning time for new skills and projects
• Gympass subscription
• Cycle to Work Scheme
• Participation in the company shares program
• Enhanced parental pay & leave