Join Sale Group, a respected family-owned building services specialist since 2000, delivering top-tier mechanical, HVAC, air conditioning, plumbing, heating, ventilation, and maintenance services to high-profile commercial clients across London, Surrey, and the South East. We're growing our dedicated Service & Maintenance team and seeking experienced Air Conditioning Engineers who excel in planned preventative maintenance (PPM) and reactive/ call-outs. If you thrive on variety, quick fault-finding, and being the go-to expert for urgent fixes, this is your next role! About the Role As a mobile Air Conditioning Engineer, you'll deliver service, maintenance, fault-finding, repair, and installation work on commercial air conditioning systems (VRV/VRF, splits, fan coils, comfort cooling, chilled water systems, etc.). You'll support long-term contract clients with reactive call-outs, emergency response to keep buildings running smoothly around the clock. Key Responsibilities * Carry out planned preventative maintenance (PPM), service visits, and compliance checks * Respond promptly to reactive breakdowns and emergency call-outs (including out-of-hours rota) * Diagnose faults, repair, recharge, and commission air conditioning & refrigeration equipment * Complete F-Gas paperwork accurately and maintain site logbooks * Perform minor installations, modifications, and upgrades as required * Work closely with the office team to...