On behalf of our client, KCS is seeking an experienced HVAC / Air Conditioning Maintenance Engineer to support maintenance, repairs and fault-finding across a portfolio of luxury residential, mixed-use and commercial buildings throughout London. This role would suit someone technically strong, steady under pressure, and genuinely proud of the standard of their work — someone who can walk into a plant room, diagnose an issue efficiently, and build trust with clients through good communication and professionalism. What we’re looking for: * Proven background working in HVAC or Air Conditioning maintenance * Strong diagnostic and fault-finding ability * Technical confidence with a diligent and detail-focused mindset * Comfortable in a client-facing environment; clear communicator * Resilient, reliable, takes initiative and ownership of work * Full, clean driving licence preferred — van provided What’s on offer: * Salary £40–45k with flexibility above this for an exceptional engineer * Company van and tools/equipment provided * Work across high-end residential, commercial & mixed-use properties * Supportive team culture within a growing family-run business * Day-to-day variety — no two sites or challenges are the same If you’re looking for a business that values skill, problem solving and pride in workmanship — and you want to feel appreciated, not just utilised — this could be a great move. Interested? Reach out or apply with your CV and we will get in touch ASAP