Air Conditioning Mobile Service Engineer

WR HVAC; Remote; GBP 40,000 - 45,000; Full time

Job summary

A reputable HVAC contractor is seeking an experienced Mobile Service Engineer specializing in air conditioning and HVAC systems. This role requires servicing and maintaining systems in various critical environments across London. Candidates must have NVQ Level 2/Part 2 in Air Conditioning, F-Gas certification, and proven experience with HVAC systems. A full UK driving licence is mandatory. The position offers competitive salary and benefits including overtime pay and a company van.

Benefits

Company van & fuel card

Company smartphone

Specialist refrigeration tools provided

22 days annual leave plus bank holidays

Qualifications

• Minimum NVQ Level 2/Part 2 in Air Conditioning required.
• F-Gas certification is essential.
• Experience with various HVAC systems preferred.

Responsibilities

• Conduct planned preventive maintenance on HVAC systems.
• Perform reactive repairs across high-profile sites.
• Service and maintain equipment including chillers and VRVs.

Skills

Service experience on HVAC systems

Proficiency in split systems, VRV/VRF, chillers

Ability to supply hand tools

Full UK driving licence

Education

City & Guilds NVQ Level 2 / Part 2 in Air Conditioning

F-Gas certification

Tools

General tool kit

Thermometer

Multimeter with amp clamp

Job description

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.

As a Service Engineer, you will carry out planned preventive 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.