Mechanical Data Center Operations Technician

Tietoa tehtävästä

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

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 Lappeenranta, 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.

Key Responsibilities

Critical Facilities Operations

• 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.

Mechanical Maintenance

• 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).

Mechanical Systems

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

• Expansion vessels and pressure systems

Health, Safety & Compliance

• 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 and incident investigations.

• Promote a strong safety culture and environmentally responsible work practices.

Qualifications

Education

• Vocational Qualification (Ammatillinen perustutkinto) or Bachelor's degree in Mechanical Engineering, HVAC, Building Services Engineering, Industrial Maintenance, or a related technical discipline.

• Equivalent technical or military experience may also be considered.

Experience

• 2–5 years of experience maintaining mechanical systems in data centers, industrial facilities, manufacturing, hospitals, power generation, or other critical environments.

• Experience with Building Management Systems (BMS) and CMMS software is preferred.

Technical Skills

Knowledge of:

• HVAC and cooling systems

• Chilled water and hydronic systems

• Pumps, motors, and heat exchangers

• Mechanical fault diagnosis

• Building Management Systems (BMS)

• Computerized Maintenance Management Systems (CMMS)

• Mechanical drawings and Piping & Instrumentation Diagrams (P&IDs)

• Energy-efficient building systems

Preferred Qualifications

• Occupational Safety Card (Työturvallisuuskortti)

• Hot Work Card (Tulityökortti)

• First Aid Certificate (EA1 or equivalent)

• Refrigerant handling qualification (where…