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 Permanentrole 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 07463916725.