# DC Facilities Engineer **Company**: Nebius **Location**: New Jersey, United States **Work arrangement**: onsite **Experience**: senior **Job type**: full-time **Category**: Facilities & Maintenance **Industry**: Technology **Apply**: https://job-boards.greenhouse.io/nebius/jobs/5005040101?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply **Canonical**: https://yubhub.co/jobs/job_e811689d-ca4 ## Description 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. This is a critical role within Nebius data center operations. A fully proficient infrastructure engineer who independently manages and troubleshoots critical power and critical cooling systems across the site and takes ownership of assigned engineering tasks from start to finish. **Core Responsibilities:** - Monitor and contribute to the tracking of critical environment maintenance and repair for assigned service lines to Nebius SLAs; identify and escalate developing faults before they impact service uptime. - Independently operate, monitor, and troubleshoot critical power distribution infrastructure including UPS systems, PDUs, RPPs, and in-rack busbar power systems. - Manage and maintain critical cooling infrastructure including CRAHs, CRACs, CDUs, and RDHx; perform capacity checks and leakage inspections. - Participate in incident management for infrastructure-impacting events; support root-cause analyses, document findings, and contribute to CAPA execution under the direction of the Senior DC Facilities Engineer. - Operate and administer DCIM and BMS platforms; build and maintain dashboards, alerts, capacity reports, and infrastructure records. - Support deployment and commissioning of GB-scale liquid-cooled rack infrastructure including direct liquid cooling (DLC) systems, manifolds, and CDU connections. - Perform and own preventive maintenance tasks for all critical power and critical cooling systems; maintain accurate maintenance logs and compliance records. - Participate in site reviews, design reviews, and commissioning activities; prepare and review technical reports to document findings and communicate results. - Enforce Nebius critical power and critical cooling safety procedures; act as safety lead for engineering work orders on live infrastructure. - Collaborate with facilities, network, and technician teams on infrastructure changes, capacity expansions, and major deployments. - Support adherence to Nebius standards and policies through documentation review and active participation in commissioning and design activities. - Contribute to vendor and contractor coordination by supporting scheduling, site access, and execution of work per Nebius expectations and safe-working practices. - Actively mentor and train Associate DC Facilities Engineers; guide them through systems operation, safe working practices, and structured skill development toward independent operation. **Expected Capabilities / Expectations:** - Working proficiency across all critical power systems: UPS, PDU, RPP, in-rack busbar, and generator interfacing. - Hands-on experience with critical cooling systems: CRAH/CRAC, CDU, RDHx, and water-side infrastructure including leak detection. - Competent DCIM/BMS administration: alert management, capacity modeling, and dashboard reporting. - Developing knowledge of GB rack liquid cooling technology, DLC manifolds, and heat rejection infrastructure. **Physical Requirements:** - Ability to stand and remain on your feet for extended periods, typically four or more consecutive hours during active shift operations. - Ability to safely lift, carry, and position equipment weighing up to 50 pounds unassisted, and heavier loads with appropriate team-lift protocols or mechanical aids. - Comfortable working at heights including ascending and descending ladders, raised platform equipment, and elevated data center infrastructure. - Ability to work in confined spaces such as under raised floors, within enclosed rack enclosures, and in cable management pathways. - Comfortable working in environments with variable temperatures, including cold aisle containment zones and active cooling infrastructure. - Manual dexterity sufficient to handle small form-factor components, precision cabling, and fine connector installations. - Visual acuity sufficient to read equipment labels, small-form-factor interface indicators, and detailed wiring diagrams in variable lighting conditions. - Ability to push or pull equipment carts, server sleds, and wheeled infrastructure weighing up to 500 pounds on level surfaces. **On-Call Requirement:** - This role includes on-call participation to respond to after-hours critical power and critical cooling events, infrastructure alarms, and urgent maintenance requiring prompt engineering response. **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 ## Skills ### Required - UPS - PDU - RPP - in-rack busbar - generator interfacing - CRAH/CRAC - CDU - RDHx - DCIM/BMS administration - liquid cooling technology --- Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/nebius/jobs/5005040101?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)