Role: Mobile Air Conditioning Engineer Shift Pattern: Monday to Friday Hours: 8am - 5pm On-Call: 1 in 6 Call out Rota Salary: £40,000 - £44,700 D.O.E Type: Permanent Trevett Services are currently searching for a Mobile AC Engineer for a Permanent role based in the West Sussex Area covering multiple critical sites. Duties: * Fault-finding and repair of air conditioning systems, refrigeration units, chiller plants, and associated controls * Maintain and update F-Gas logbooks, ensuring accurate records of refrigerant use and leak testing * Carry out installation, pressure testing, vacuum dehydration, and commissioning of A/C systems * Oversee and coordinate subcontractor works on site * Ensure compliance with health, safety, and environmental regulations, including completion of all required documentation * Complete job updates using CAFM systems via PDA/tablet * Diagnose system defects, prepare quotations, and liaise with contract managers and clients * Join the call-out rota to provide emergency support when needed * Work flexibly and professionally, maintaining a high standard of presentation and communication on client sites Requirements: * Recognised apprenticeship (EITB, CITB) or equivalent technical qualifications * Minimum NVQ Level 2 in Air Conditioning and Refrigeration * C&G 2079-11 F-Gas Category 1 qualification (ODS regulations) * Experience working with chillers, cold rooms, VRV/VRF systems, AHUs, cooling towers, and BMS systems * Comfortable reading and interpreting mechanical and electrical schematics * L8 Awareness (Legionella) * Health & Safety qualification (e.g. NEBOSH/IOSH) is advantageous * Full UK driving licence required Benefits: * 24 days annual leave increasing to 25 days once 2 years service is reached ( public holidays) * Life Cover equivalent to 1.5 times annual salary * Employee discount shopping schemes * Gym membership discounts * Cycle to work scheme * Holiday purchase scheme * 2 corporate social responsibility days per year * Broad range of further training options and qualifications * Access to our growing employee networks including Access Ability Encompass, RISE, WOMEN TOGETHER, Working Parents, and Young Professionals. * 24/7 Employee Assistance Program and access to mental wellbeing app If you are interested, please apply now and you will be contacted by Tommy or call directly on (phone number removed)