Building Services Engineer​/AC Engineer

Position: Building Services Engineer / AC Engineer
Join Sale Group, a respected family-owned building services specialist since 2000, delivering top-tier mechanical, HVAC, air conditioning, plumbing, heating, ventilation, and maintenance services to high-profile commercial clients across London, Surrey, and the South East.
We're growing our dedicated Service & Maintenance team and seeking experienced Air Conditioning Engineers / HVAC / AC Engineers / Combustion Engineers / Plumbers who excel in planned preventative maintenance (PPM) and reactive/ call-outs. If you thrive on variety, quick fault-finding, and being the go-to expert for urgent fixes, this is your next role!
About the Role
As a mobile Engineer, you'll deliver service, maintenance, fault-finding, repair, and installation work on commercial systems (VRV/VRF, splits, fan coils, comfort cooling, chilled water systems, etc.). You'll support long-term contract clients with reactive call-outs, emergency response to keep buildings running smoothly around the clock.

Key Responsibilities
 
* Carry out planned preventative maintenance (PPM), service visits, and compliance checks
 
* Respond promptly to reactive breakdowns and emergency call-outs (including out-of-hours rota)
 
* Diagnose faults, repair, recharge, and commissioning
 
* Complete F-Gas paperwork accurately and maintain site logbooks
 
* Perform minor installations, modifications, and upgrades as required
 
* Work closely with the office team to log jobs, update clients, and ensure fast resolution
What We're Looking For Essential
 
* Proven experience as an Air Conditioning Engineer, AC Service Engineer, Mobile AC Engineer, HVAC Engineer, or similar in commercial building services
 
* Strong hands-on knowledge of commercial air conditioning systems (VRV/VRF, splits, fan coils, chilled water, etc.)
 
* Valid F-Gas Category I certification
 
* Excellent fault-finding, repair, and customer service skills
 
* Full UK driving licence (company van provided)
 
* Willingness to participate in the out-of-hours call-out rota
Desirable
 
* Experience with reactive/emergency works and OOH call-outs in commercial environments
 
* Knowledge of BMS/controls, ventilation, or associated mechanical systems
 
* City & Guilds / NVQ Level 2/3 in Refrigeration & Air Conditioning or equivalent
Why Sale Group?
 
* Family-owned business with a fantastic reputation
 
* Varied work on prestigious commercial projects
 
* Genuine out-of-hours and call-out opportunities with generous allowances & overtime
 
* Supportive team + training and development opportunities
 
* Competitive salary + benefits including: company van & fuel card, call-out/standby payments, overtime, pension, holiday
If you're a skilled, reliable Air Conditioning Engineer who thrives on call-outs, out-of-hours reactive work, and delivering 24/7 reassurance to clients, apply now