Explore rewarding Chiller Engineer jobs and discover a dynamic career at the heart of modern industrial and commercial infrastructure. A Chiller Engineer is a specialised refrigeration professional responsible for the installation, maintenance, repair, and optimisation of chiller systems. These critical pieces of equipment provide essential process cooling for manufacturing, data centres, pharmaceuticals, and food production, as well as comfort cooling for large commercial buildings like hospitals, offices, and shopping centres. Professionals in this field ensure these complex systems operate at peak efficiency, reliability, and safety. The typical day-to-day responsibilities of a Chiller Engineer are varied and technically demanding. Common duties include performing planned preventative maintenance (PPM) to ensure system longevity, conducting reactive repairs and complex fault diagnosis on electrical and mechanical components, and installing new chiller units. Engineers carry out refrigerant handling, recovery, and charging in strict compliance with F-Gas regulations. They also test system performance, analyse pressures and temperatures, and commission new systems. A significant part of the role involves interfacing with building management systems (BMS) or programmable logic controllers (PLC) for monitoring and control, and providing clear technical reports and advice to clients. Most positions involve travel to various client sites, working independently or as part of a mobile service team. To succeed in Chiller Engineer jobs, a specific set of skills and qualifications is essential. Employers typically seek candidates with a solid background in refrigeration principles, holding relevant vocational qualifications such as an NVQ or City & Guilds in Refrigeration and Air Conditioning. Mandatory F-Gas certification is a universal requirement. Practical, hands-on experience with both air-cooled and water-cooled chiller systems, including screw, scroll, and centrifugal compressors, is crucial. Strong electrical diagnostic skills and familiarity with control circuits are highly valued. Beyond technical prowess, successful engineers possess excellent problem-solving abilities, a meticulous attention to detail, and outstanding customer service and communication skills. A full driving licence is almost always required due to the mobile nature of the work. The profession offers a stable and challenging career path for those who enjoy practical problem-solving and continuous learning. With technology advancing towards more sustainable refrigerants and smarter, connected systems, Chiller Engineer jobs provide an opportunity to work on cutting-edge equipment that is vital to the economy. If you are a technically minded individual seeking a hands-on role with autonomy and variety, exploring Chiller Engineer jobs could be your next career move. This field values expertise and offers clear progression routes into senior engineering, supervisory, or technical specialist positions.