
Commercial Air Conditioning Engineer (Mobile)
📍 London / South East (Mobile Role)
🏢 Pareto FM – Specialist Services Team
💰 £45,000 – £50,000 DOE + Package
Pareto FM are looking for an experienced Commercial Air Conditioning Engineer to join our growing Specialist Services team.
This is a mobile engineering role covering a variety of commercial, office, luxury residential, and retail properties across London and the South East. You’ll be responsible for delivering servicing, reactive maintenance, fault finding, and small project works across a busy and varied portfolio.
This role is ideal for an engineer who enjoys autonomy, variety, and working within a supportive specialist team environment.
You’ll carry out a mix of planned preventative maintenance, reactive call-outs, quoted works, and small installations across a range of commercial air conditioning systems.
This is a hands-on role with a strong pipeline of work, requiring someone who can work independently, communicate professionally with clients, and maintain high engineering standards at all times.
Delivering PPM servicing across commercial AC systems
Attending reactive call-outs and carrying out fault finding
Completing quoted works and small installation projects
Working on split systems, VRV/VRF systems, and AHUs
Reporting completed works and highlighting follow-on requirements
Maintaining high standards of workmanship and client interaction
Working safely and in line with company procedures and compliance standards
You’ll be part of the Specialist Services team, reporting into the Specialist Services Manager with day-to-day support from the AC Supervisor and office team.
Engineers typically work independently on day-to-day jobs but regularly support each other on larger installs, project works, and complex faults. Communication across the team is strong, with regular contact and job management through Simpro CAFM.
Knowledge sharing and collaboration are actively encouraged across the engineering team.
Proven experience working on commercial AC systems
NVQ Level 2 minimum in Air Conditioning / Refrigeration (Level 3 preferred)
F-Gas qualification (essential)
Strong fault-finding ability
Good knowledge of Mitsubishi and Daikin equipment
Full UK driving licence
Professional and client-focused approach
Comfortable working independently across multiple sites
£45,000 – £50,000 salary depending on experience
Company van, tools, uniform, and phone provided
25 days holiday + birthday off
Pension scheme
Private healthcare after 6 months
Ongoing workload with variety across servicing, reactives, and projects
Long-term progression opportunities as the business continues to grow

Pareto Facilities Management.
Changing The Face of FM. Social Led. Relationship Based. Facilities Services
Our approach to facilities management is different. Contact James Clarke for more details.
Find out more at https://www.paretofm.com/ or follow us on twitter @ParetoFM or click here https://linktr.ee/ParetoFM