Senior Air Conditioning Engineer

Location: Hertfordshire / Cambridgeshire / Oxfordshire / Milton Keynes / Peterborough Region Salary: £45,000 – £55,000 Basic + Excellent Overtime + Industry-Leading Commission Scheme Join One of the UK’s Fastest Growing HVAC Specialists At Cosourced, we’re building something different. We’re not just another service company — we’re creating one of the UK’s most respected technical specialists in HVAC and smoke control. We work on some of the country’s most prestigious and technically challenging buildings, and we’re known for solving the jobs others can’t. As one of the UK’s fastest-growing HVAC businesses, we’re looking for an exceptional Senior AC Engineer who wants more than just a job. We want ambitious engineers who take pride in their work, enjoy technical fault finding, and want to be part of a business that is genuinely going places. If you want to work alongside high-level engineers, be recognised as a specialist in the industry, and have real opportunities to progress and earn serious money — Cosourced is the place to be. The Role We are looking for an experienced Senior Air Conditioning Engineer covering the Hertfordshire, Cambridgeshire, Oxfordshire, Milton Keynes and Peterborough region. This is a technically focused role where your diagnostic ability and experience will be valued. You’ll be working across a range of commercial sites carrying out: * Service, maintenance and reactive breakdowns * Advanced fault finding and diagnostics * Repairs and technical problem solving * Supporting junior engineers where required * Working on high-end commercial HVAC systems * A strong background working with VRV / VRF equipment is essential. What We’re Looking For We’re after engineers who genuinely know their craft and take pride in delivering high standards. Essential: * Strong experience with VRV / VRF systems * Excellent fault-finding and diagnostic ability * Experience within commercial HVAC environments * F-Gas qualified * Full UK driving licence * Strong communication and customer skills Ideal: * Experience with major manufacturers such as Daikin, Mitsubishi, Toshiba or LG * Ambitious mindset and desire to progress * Someone who enjoys technical challenges and problem solving Why Join Cosourced? Be Part of Something Big We are one of the UK’s fastest-growing HVAC businesses with major growth plans over the next few years. That means genuine opportunities to progress into senior engineering, technical specialist, supervisory and management roles. Earn Excellent Money * £45k–£55k basic salary depending on experience * Excellent overtime opportunities * One of the best engineer commission schemes in the industry * Strong earning potential for motivated engineers Work With the Best You’ll join a business full of ambitious, driven people who care about quality and customer service. We invest heavily in our engineers and want people who are proud to wear the Cosourced name. Technical Environment If you enjoy fault finding, solving problems and working on challenging systems — you’ll love it here. Interested? If you’re an experienced AC Engineer looking for a company where you can build a long-term career, increase your earnings, and be recognised as part of one of the industry specialists, we want to hear from you. Come and see why more engineers are choosing Cosourced