What you will do As Senior HVAC Service Technician, you will lead the service, maintenance, troubleshooting, and repair of chiller and HVAC systems across customer sites in Finland. Working on industrial, data center, and retrofit projects, you will play an important role in ensuring equipment reliability, performance, and customer satisfaction. You will work closely with customers and technical teams to diagnose issues, perform maintenance activities, and support the efficient operation of critical HVAC systems. Experience with commissioning activities is considered an advantage. 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 required spare parts and support parts selection and replacement planning. Record operating parameters and maintain accurate service documentation and reports. Support equipment start-up and commissioning activities when required. Coordinate technical issues with engineering, product, and service teams. Ensure all work is carried out in accordance with company safety standards and Finnish/EU regulations. Build strong customer relationships through high-quality service and technical support. What we look for Required Solid hands-on experience servicing HVAC and chiller systems. Good 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. Ability to work independently at customer sites while maintaining a strong safety mindset. Good English communication and service reporting skills. Preferred Experience with large air-cooled and/or water-cooled chillers. Experience supporting data centers, industrial facilities, or other mission-critical environments. Relevant F-Gas certification or the ability to obtain it. Previous commissioning or start-up experience of HVAC equipment. Knowledge of chiller spare parts, component identification, and maintenance planning. Basic electrical and controls troubleshooting capability. Technical diploma or certification in HVAC, Refrigeration, Mechanical Engineering, or a related field. Finnish language skills. Johnson Controls: Enhancing the Intelligence of Buildings Your buildings have a purpose. They are places for people to live or work. Facilities for learning or healing. Venues for entertainment and shopping. Sites for the specialized storage of tangible goods or mission-critical data. Your buildings have a huge variety of functions; they are central to your mission. This is where Johnson Controls comes in, helping drive the outcomes that matter most. Through a full range of systems and digital solutions, we make your buildings smarter. A smarter building is safer, more comfortable, more efficient, and, ultimately, more sustainable. Most important, smarter buildings let you focus more intensely on your unique mission. Better for your people. Better for your bottom line. Better for the planet. At Johnson Controls, we’ve been making buildings smarter since 1885, and our capabilities, depth of innovation experience, and global reach have been growing ever since. Today, we offer the world’s largest portfolio of building products, technologies, software, and services; we put that portfolio to work to transform the environments where people live, work, learn and play.

Senior HVAC Service Technician.

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