DC Operations Manager - Critical Infrastructure

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. The Role 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. Responsibilities: Critical Facilities Operations 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 Maintenance & Vendor Management 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 Capacity, Efficiency & Optimization 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 Compliance, Safety & Risk Management 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 Commissioning & Site Readiness (Light but Important) 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 Cross-Functional Collaboration 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 Requirements: 7–10+ years of experience in data center or mission critical facilities operations Strong hands on knowledge of critical infrastructure systems : Electrical distributi…