We are currently seeking an experienced and motivated Air Conditioning Engineer to join our longterm client, covering sites across the London area. This is a mobile role, requiring travel between a variety of client sites including commercial buildings, retail environments, and university campuses. Key Responsibilities: * Service, maintenance, and repair of a wide range of air conditioning systems * Fault finding and diagnostics on split, multi-split, and VRV/VRF systems * Carrying out planned preventative maintenance (PPM) and reactive works * Ensuring all work is completed in line with current regulations and company standards * Completing job reports and documentation accurately and in a timely manner * Providing excellent customer service while on-site * Participation in a 1 in 8 call-out rota (with additional allowance) Requirements: * Valid F-Gas Certification * Relevant NVQ Air Conditioning * Proven experience working within commercial / retail environments * Full UK driving licence * Strong fault-finding and problem-solving skills * Ability to work independently and manage your own workload * What’s on Offer: * Company van and fuel card * Overtime opportunities * Call-out allowance * Ongoing training and development * Stable, long-term career prospects