Air Conditioning Mobile Service Engineer
Mobile Service Engineer – Air Conditioning / HVAC
An established and reputable HVAC contractor specialising in rail and critical infrastructure projects is looking to recruit an experienced Mobile Air Conditioning Service Engineer to join their growing London-based service team.
This is a mobile, service-focused role covering central London and surrounding areas, working across high-profile and technically interesting sites. A large proportion of the work is within the railway environment, with full rail training, competencies, and certification provided.
The Role
As a Service Engineer, you will carry out planned preventative maintenance, reactive repairs, and minor planned works across a range of critical and high-profile sites including signal centres, data centres, stations, maintenance depots, train care depots, and remote track-side locations.
The role involves servicing and maintaining a variety of HVAC and mechanical systems such as split systems, VRV/VRF, chillers, AHUs, LTHW, chilled water, and ventilation plant. The position is predominantly service and maintenance focused, with engineers not typically required to undertake installation works.
Package
Salary: Up to £40,000-£45,000
Overtime:
Time and a half
Double time for nights and bank holidays
On-call rota:
1 week in every 8 (approx.)
£125 standby payment per week
Minimum 4 hours paid per call-out
Working hours:
Door-to-door working
9.5-hour minimum day
30 minutes unpaid travel each way + 30 minutes unpaid lunch
Holiday:
22 days annual leave
Plus bank holidays
Plus an additional birthday day off
Company van & fuel card
Company smartphone
Used for calls, emails, and electronic job management system
Specialist refrigeration tools provided
Requirements
Minimum City & Guilds NVQ Level 2 / Part 2 in Air Conditioning
F-Gas certification (essential)
Proven service experience on HVAC systems such as splits, VRVs, chillers, AHUs, LTHW, or chilled water
Full UK driving licence
Willingness to work across London and attend rail/track-side locations (training provided)
Ability to supply own hand tools, including:
General tool kit
Thermometer
Multimeter with amp clamp
PASMA and IPAF certifications are advantageous but not essential.
Additional Information
Overtime is expected as part of the role; occasional Saturdays or nights may be required, though not frequently
Adequate rest periods are always provided
A railway medical, drugs & alcohol screening, and DVLA licence check are required prior to any formal job offer
WR HVAC | M&E are #1 recruitment partner for HVAC jobs. Our customers include a range of large and small M&E companies, manufacturers and suppliers of heating, ventilation, air conditioning and refrigeration equipment. We recruit UK wide for sales, management and technical jobs.
WR is acting as an Employment Agency in relation to this vacancy.

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