Air Conditioning Mobile Service Engineer

WR HVAC; Dartford; On-site; GBP 40,000 - 45,000; Full time

Job summary

A leading HVAC contractor is seeking an experienced Mobile Service Engineer to join their London-based service team. This role focuses on servicing and maintaining HVAC systems across high-profile sites in London. Candidates must possess City & Guilds NVQ Level 2 in Air Conditioning and F-Gas certification. The position offers a competitive salary of up to £45,000, overtime options, and a company van. Training for work in railway environments will be provided.

Benefits

Company van & fuel card

Company smartphone

22 days annual leave + bank holidays

Qualifications

• Essential F-Gas certification required.
• Proven service experience on various HVAC systems.
• Must have a full UK driving licence.

Responsibilities

• Carry out planned preventative maintenance and repairs across HVAC systems.
• Work in various high-profile sites including railway environments.
• Maintain a range of HVAC and mechanical systems.

Skills

Service experience on HVAC systems

Ability to supply own hand tools

Willingness to work across London

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.

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.)
• Standby payment: £125 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 + bank holidays + an additional birthday day off
• Company van & fuel card
• Company smartphone
• 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.