Mechanical Data Center Operations Technician

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 applicable)
• Fluent English (written and spoken)
• Finnish language skills are beneficial but not essential