Salary negotiable dependant on experience. * Skills and Qualifications: * Need good knowledge of Chillers/Refrigeration systems. * Education: Relevant F-Gas and HVAC qualifications. * Experience: 3-5 years of hands-on experience in the service, maintenance and repair of HVAC / Chiller systems. * Technical Knowledge: Strong understanding of Chiller systems, Refrigeration cycles, HVAC controls and electrical components. * Problem-Solving Skills: Ability to diagnose and resolve complex technical issues in chiller systems efficiently. * Customer Service: Excellent communication and interpersonal skills to interact with customers and explain technical issues in a clear, professional manner. * Physical Requirements: Ability to work in various environments. * Attention to Detail: good attention to detail to ensure all systems are serviced correctly and documentation is accurate. * Driving Licence: A full valid UK driver’s licence, as travel to various customer locations nationwide is necessary. * Experience with Turbocore chillers, screw chillers, Scroll chillers, VSD, AHU and FCU. * Familiarity with BMS (Building Management Systems) for controlling HVAC systems. * Certification in HVAC or Refrigeration from recognized institutions. * Basic 40 hrs plus travel. * London, M25 + some UK and European travel * Training at factory in Italy * Fully expensed van provided. * All specialist tools provided. * Mobile & uniform. * Standby rota. * 20 days holidays plus bank holidays