About: We are looking for a skilled and qualified Mobile Multi-Skilled A/C Engineer to join our client's team in Sutton.The successful applicant would be required to carry out service, maintenance, installation, and fault-finding on a range of air conditioning, HVAC, and mechanical building services systems. The role involves working independently and as part of a small mobile team to support commercial buildings across multiple sites. Key Responsibilities: Carry out service, maintenance, repair, and installation of air conditioning and HVAC systems, including split units, VRV/VRF systems, and chillers. Perform diagnostics and fault-finding on a wide range of mechanical and A/C equipment. Service and maintain gas-fired and oil-fired boilers, pumps, valves, pipework systems, and air handling units. Conduct routine planned preventative maintenance (PPM) and respond to reactive maintenance tasks across commercial sites. Ensure all work is completed in line with industry standards, F-Gas regulations, and site-specific requirements. Provide accurate and detailed reports, documentation, and job sheets using digital tools where required. Requirements: Minimum Level 2 F-Gas Qualification Minimum 5 years' experience in the air conditioning/HVAC industry Capable of both service and installation works CSCS Full Drivers Licence Employee Package: 40 hours per week Overtime available (not guaranteed) 28 days holiday including bank holidays Company van and fuel card Workwear and PPE Pension scheme Private medical cover Company phone Ongoing training and development