We are currently recruiting for an experienced Air Conditioning Service Engineer to join a well-established commercial HVAC contractor. This is a pure service and maintenance role working across commercial contracts throughout London (within the M25) and Kent. Package: * Up to £45,000 basic salary * Full door-to-door pay * Overtime paid at time and a half * 28 days holiday additional 3 paid days over Christmas shutdown * Permanent full-time position * Company vehicle and tools provided Role Overview: * Service, maintenance and fault finding on commercial air conditioning systems * Working on VRV, VRF, split and multi-split systems * Attending reactive breakdowns and scheduled PPM visits * Diagnosing electrical and mechanical faults * Completing service reports and compliance documentation * Maintaining high health & safety standards Requirements: * Minimum 4–5 years’ experience as an Air Conditioning Service Engineer * Strong experience with VRV and VRF systems * Confident with fault finding and diagnostics * Commercial service experience essential * Full UK driving licence * Professional and customer-focused approach