HVAC Service Technician – Data Center Projects

About the role

Johnson Controls is hiring an HVAC Service Technician to support data center projects across Finland. You will help deliver the critical HVAC infrastructure that data centers depend on, working closely with site teams and stakeholders on industrial, data center and retrofit projects. The role covers service, maintenance, troubleshooting and repair of chiller and HVAC systems.

Key responsibilities

• Perform preventive and corrective maintenance on chillers and HVAC equipment.
• Diagnose and troubleshoot refrigeration, mechanical, electrical and controls-related issues.
• Carry out repairs, component replacements, upgrades and retrofit activities.
• Identify spare parts needed and support parts selection and replacement planning.
• Record operating parameters and keep accurate service documentation and reports.
• Support equipment start-up and commissioning when required.
• Coordinate technical issues with engineering, product and service teams.
• Ensure work follows company safety standards and Finnish/EU regulations.
• Build strong customer relationships through high-quality service and technical support.

Required profile

• Hands-on experience servicing HVAC and chiller systems.
• Ability to work independently at customer sites with a strong safety mindset.
• Good English communication and service reporting skills; Finnish language skills preferred.
• Technical diploma or certification in HVAC, Refrigeration, Mechanical Engineering or a related field preferred.

Required skills

• Understanding of refrigeration systems, compressors, heat exchangers, pumps, controls and associated HVAC equipment.
• Ability to read and interpret mechanical, electrical and control drawings.
• Strong troubleshooting and fault-finding skills.
• Preferred: experience with large air-cooled and/or water-cooled chillers, data centers or mission-critical environments, F-Gas certification, commissioning experience, spare parts knowledge and basic electrical and controls troubleshooting.