IT Support Manager in London

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

We are looking for an IT Support Manager in our data center, the key person in managing IT infrastructure maintenance. You will manage L1, L2, IT infrastructure and Field Network Engineers supporting data center IT infrastructure and GPU clusters. This role is focused on ensuring stable, efficient, and scalable operations through people leadership, structured support processes, and hands-on technical oversight. You will own day-to-day IT support operations, oversee maintenance and incident resolution for GPU clusters, and ensure high service levels across hardware, network, and field support activities. You will act as a key escalation point, drive operational improvements, and align support execution with broader data center objectives.

Your responsibilities will include:

• Lead and manage L1, L2, IT infrastructure and Field Network Engineers supporting data center IT infrastructure and GPU clusters and region IX colocations.
• Ensure high availability and reliability of GPU clusters and IT infrastructure.
• Act as the primary escalation point for complex hardware, network, and operational incidents.
• Monitor and drive SLA, KPI, and incident resolution performance across IT support services.
• Oversee proactive maintenance, troubleshooting, and problem management activities.
• Collaborate with infrastructure engineers, vendors, and colocation partners to resolve issues and deliver improvements.
• Maintain and improve support processes, documentation, and team training materials.
• Manage IT asset lifecycle activities, relates to responsibility area, including RMAs.

We Expect You to Have:

• 3+ years of experience managing technical support teams in a data center or similar critical infrastructure environment.
• Strong hands-on background in diagnosing and resolving server hardware issues, including GPU-based systems, fiber networks.
• Solid understanding of data center operations, server platforms, and enterprise networking principles.
• Practical experience with IT service management processes (ITIL / ITSM).
• Basic proficiency with Linux/Unix operating systems and command-line tools.
• Proven ability to manage operational KPIs, incidents, and escalations.
• Analytical skills.
• Proactive mindset, strong sense of ownership, and the ability to lead teams in high-pressure environments.
• High proficiency in spoken and written English.

It will be an added bonus if you have:

• Relevant certifications and trainings.

Benefits & Perks:

• Competitive compensation.
• Career growth and learning opportunities.
• Flexibility and work-life balance.
• Collaborative and innovative culture.
• Opportunity to work on impactful AI projects.
• International environment and talented teams.

What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI.

Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.