We are seeking a skilled and reliable Mobile Air Conditioning Engineer to join our team, covering various commercial sites across Hertfordshire. This role involves the maintenance, servicing, and repair of air conditioning and refrigeration systems in a mobile capacity. Key Responsibilities: Carry out routine servicing, maintenance, and fault-finding on air conditioning and refrigeration systems, including split units, VRV/VRF, and multi-split systems. Diagnose faults and perform repairs quickly and efficiently. Ensure all work complies with current regulations and safety standards. Complete job sheets, risk assessments, and maintenance reports accurately. Liaise professionally with clients on-site to ensure a high level of customer satisfaction. Participate in an on-call rota as required (if applicable). Required Qualifications & Experience: NVQ Level 2 in Air Conditioning and Refrigeration (minimum requirement) F-GAS (Category 1) certification - essential NVQ Level 3 (desirable but not essential) Proven experience in a similar mobile engineering role Good understanding of health and safety regulations Full UK driving licence - essential What's on Offer: Competitive salary between £43,000 - £45,000 Company van and fuel card provided Opportunities for overtime and further training A supportive and professional working environment If you're a qualified and proactive AC Engineer looking for a new challenge with great earning potential and autonomy, we'd love to hear from you.