A leading Construction and Facilities Management contractor is seeking an experienced and fully qualified Mobile Air Conditioning Engineer to join their team on a full-time permanent basis. This is a mobile role working across a range of commercial sites between Edinburgh, Fife and the borders, delivering high-quality servicing, repairs, and installations of HVAC as part of planned and reactive maintenance works. Reponsibilities: * Undertake service, maintenance, and repair of: * Split air conditioning systems * VRV/VRF systems * Air Handling Units (AHUs) & Heat pumps * Refrigeration equipment including chilled cabinets, multidecks, and ice machines * Interpret installation designs and use manufacturer-specific troubleshooting procedures * Complete inspection reports, maintenance logs, and remedial work records accurately and on time * Adhere to all Permit to Work procedures, Health & Safety protocols, and safe systems of work * Work both independently and as part of a team * Communicate effectively with clients and internal teams, using PDA or handheld device for job updates * Participate in the emergency on-call rota Requirements: * Full current UK driving licence * F-Gas & ODS Regulations (Category 1 – 2079) * Time-served apprenticeship in Air Conditioning/Refrigeration * City & Guilds Level 3 / NVQ Level 3 or equivalent in a relevant field (HVAC, Refrigeration...