Job Title: Mobile A/C Engineer Location: South of England (Field-Based) Business Unit: MTS South Working Hours: Monday to Friday, 8:00 AM – 5:00 PM Salary: £40,000 – £44,700 per annum About The Role Are you an experienced Air Conditioning Engineer looking for a new challenge in a dynamic and fast-paced environment? EQUANS is seeking a Mobile A/C Engineer to join our MTS South team, supporting a variety of critical sites across the South of England. This is a great opportunity to play a key role in maintaining essential temperature control systems, minimising downtime, and delivering a first-class service to our clients. If you’re technically skilled, self-motivated, and thrive in a mobile role with real responsibility—this could be your next career move. Key Responsibilities 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 real-time job updates using CAFM systems via PDA/tablet Diagnose system defects, prepare quotations, and liaise with contract managers and clients Participate in an out-of-hours call-out rota to provide emergency support when needed Work flexibly and professionally, maintaining a high standard of presentation and communication on client sites What We’re Looking For Qualifications and Experience: 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 Excellent verbal and written communication skills Full UK driving licence required Why Join Us? At EQUANS, we believe in investing in our people. When you join us, you’re part of a global organisation committed to innovation, sustainability, and development. We offer: Competitive salary between £40,000 – £44,700 Ongoing training and professional development Opportunity to work across a diverse portfolio of sites Supportive team culture with career progression routes Access to tools, technology, and a structured approach to maintenance excellence About EQUANS EQUANS is a global leader in energy, technical, and facilities services, with more than 100,000 employees in over 50 countries. In the UK & Ireland, our 13,500-strong team works across public and private sectors to provide smart, sustainable solutions that support the transition to net zero. EQUANS is part of the Bouygues Group, one of the world’s most respected names in construction and engineering. Ready to Apply? If you're a skilled A/C engineer ready for your next challenge, we'd love to hear from you. Submit your CV and a short cover letter detailing your relevant experience. Please note: Applicants must have the right to work in the UK. This role involves travel across multiple sites and participation in an out-of-hours call-out rota.