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Data Center Operations TechnicianNebius · Mäntsälä, Finland
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Nebius

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Data Center Operations Technician

🗓️ Posted 2026-09-01 Mäntsälä, Finland Hybrid ICT
💰 Salary Not shared 📊 Market 2,800 EUR–3,800 EUR/mo

About the Company

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 and maintaining their own AI infrastructure. Our team of over 500 engineers across 10 countries is building the future of AI compute with bare metal performance, intelligent cloud services, and advanced AI hardware, including NVIDIA H200 Tensor Core GPUs and next-gen NVIDIA GB200 Grace Blackwell Superchips. We operate a third data center in Mantsala, Finland, powered by 100% carbon-free energy and supported by two of the world's largest district heating partnerships.

About the Role

The Mechanical Operations Technician is responsible for the safe, reliable, and efficient operation, inspection, maintenance, and repair of mechanical systems supporting a mission-critical data center in Mantsala, Finland. Working as part of a 24/7 Critical Facilities Operations team, the technician ensures maximum equipment availability while supporting the site's commitments to energy efficiency, sustainability, and operational excellence.

Responsibilities

  • ● Operate and monitor mechanical infrastructure using the Building Management System (BMS) and routine field inspections.
  • ● Respond to alarms, equipment faults, and operational events in accordance with Standard Operating Procedures (SOPs) and Emergency Operating Procedures (EOPs).
  • ● Record equipment readings, operating parameters, and shift activities.
  • ● Support planned switching operations and maintenance windows.
  • ● Perform preventive, predictive, and corrective maintenance on mechanical equipment.
  • ● Troubleshoot mechanical failures and carry out repairs or coordinate vendor support.
  • ● Assist with commissioning, recommissioning, and integrated systems testing.
  • ● Maintain accurate maintenance records using the Computerized Maintenance Management System (CMMS).
  • ● Operate and maintain systems including: chilled water systems, CRAH and CRAC units, chillers, Air Handling Units (AHUs), pumps and hydronic distribution systems, heat exchangers, HVAC systems, district cooling and heat recovery systems (where applicable), water treatment systems, mechanical valves and piping, and expansion vessels and pressure systems.
  • ● Work in accordance with Finnish occupational safety legislation and EU health and safety requirements.
  • ● Follow Permit to Work (PTW), Lockout/Tagout (LOTO), and risk assessment procedures.
  • ● Use appropriate Personal Protective Equipment (PPE).
  • ● Participate in emergency response activities.