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
• railway medical, drugs & alcohol screening, and DVLA licence check are required prior to any formal job offer