Mobile Air Conditioning Engineer Northamptonshire £42,000 - £46,000 We're currently seeking an experienced and reliable Mobile Air Conditioning Engineer to join one of the UK's leading and most well-established building services and facilities maintenance providers. This is a full-time, permanent position covering commercial office buildings Northamptonshire and surrounding areas. You'll be responsible for the planned and reactive maintenance of a wide range of HVAC and air conditioning systems, working to ensure comfort, safety, and compliance across modern commercial environments. This role is ideal for a skilled engineer who takes pride in their work, values job stability, and is looking to progress within a supportive and forward-thinking company. Duties: Deliver planned, preventative and reactive maintenance in line with the contract service delivery plan for commercial HVAC equipment Carry out A/C works including minor projects and refurbishments Fault-find, investigate, troubleshoot and rectify defects in all A/C units and systems, and associated plant/components Work on systems including: Single & multi-splits, VAVs, VRVs, VRFs, Close Control, DX units, CRAC units Carry out tasks such as: Replacing compressors and condensers, regassing, brazing, soldering, etc. Liaise with subcontractors where necessary Ensure all statutory documentation is completed and kept up to date Requirements: F-Gas Category 1 certification (Essential) NVQ Level 2 (or equivalent) in Air Conditioning and Refrigeration Minimum of 3 years' experience servicing and maintaining various types of AC systems on commercial sites Full UK Driving Licence Salary & Benefits: £42,000 - £46,000 per annum Monday to Friday, 8am – 5pm 25 days holiday bank holidays Company van fuel card Pension package Overtime readily available 1/4 call out, £100 standby Ongoing training and development Excellent opportunity to progress internally within the company If you're an experienced AC engineer looking for a stable role with long-term prospects, industry training, and a strong support network, this is a fantastic opportunity to take your career forward.