DC Site Manager

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.

Nebius is building next generation, high density AI infrastructure, and we are looking for a Data Center Operations Manager - Critical Infrastructure to own the performance, reliability, and operational excellence of our data center facilities. 
This is a critical facilities leadership role, responsible for power, cooling, and environmental systems that support GPU driven workloads. You will ensure our sites operate with maximum uptime, efficiency, and safety, while also supporting capacity expansion and infrastructure improvements as we scale. 
Unlike a pure construction role, this position is focused on steady-state operations, incident management, and long term facility performance, with involvement in commissioning and new site readiness where needed.
 
Own day to day operations of electrical and mechanical systems including UPS, generators, switchgear, PDUs, chillers, CRAH/CRAC units, and cooling infrastructure 
Ensure high availability and uptime of all critical systems supporting data center operations 
Lead incident response for facility related events, including root cause analysis and corrective actions 
Monitor system performance via BMS/DCIM and drive improvements in reliability and efficiency 

 
Oversee preventive and corrective maintenance programs for all facility systems 
Manage and hold accountable third party vendors and service providers 
Ensure all maintenance activities follow SOPs, EOPs, and MOPs 
Drive standardization and continuous improvement of operational procedures 

 
Partner with engineering and operations teams on capacity planning and infrastructure scaling 
Monitor and improve PUE and overall energy efficiency 
Identify and implement reliability and sustainability improvements across facilities 
Support high density environments, including air and liquid cooling strategies aligned with modern AI workloads  

 
Ensure compliance with local regulations, safety standards, and industry best practices 
Maintain strong adherence to HSE (Health, Safety, Environmental) standards 
Lead audits, inspections, and documentation for operational readiness 
Act as the primary point of contact for facility related regulatory interactions 

 
Support commissioning, testing, and handover of new or expanded infrastructure 
Participate in FAT/SAT and system validation for critical equipment 
Ensure smooth transition from construction to steady state operations 
Validate that systems are operationally ready with proper documentation and procedures 

 
Partner closely with: 
Data Center Operations teams
Infrastructure & deployment engineers Network and hardware teams 
Act as the bridge between facilities and IT infrastructure, ensuring both layers operate seamlessly (a key distinction in Nebius environments) 
Support broader operational goals around scalability, reliability, and standardization 

 

7–10+ years of experience in data center or mission critical facilities operations 
Strong hands on knowledge of critical infrastructure systems: 
Electrical distribution (UPS, generators, switchgear) 
Cooling systems (chillers, HVAC, CRAH/CRAC, liquid cooling exposure preferred) 
Experience operating in high availability environments with strict uptime requirements 
Proven experience managing vendors, maintenance programs, and incident response 
Familiarity with BMS/DCIM systems and operational monitoring 
Experience developing and enforcing SOPs, EOPs, and MOPs 
Strong understanding of safety, compliance, and regulatory requirements 

 
Experience in hyperscale, colocation, or AI/GPU driven data centers 
Exposure to high-density environments and advanced cooling solutions 
Experience supporting new site builds, commissioning, or expansions 
Basic understanding of IT infrastructure (rack, power distribution, hardware) to effectively partner with engineering teams  

 
Benefits & Perks:
Competitive compensation
Career growth and learning opportunities
Flexibility and ownership
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