Mobile HVAC Engineer

Mitie; City Of London; On-site; GBP 36,000 - 48,000; Full time

Benefits offered by this job

Overtime opportunities

Flexible hours

Supportive environment

Key client site experience

Job summary

Mitie Group is seeking a skilled Mobile HVAC Engineer to service, maintain and repair mechanical installations across a major client site in Greater London. You will work with AHUs, FCUs, thermal wheels, water heaters and booster sets, ensuring reliability, safety and compliance of essential infrastructure.

You will join a supportive FM team, enjoy stable full-time hours (08:00–17:00, 40h/wk) with overtime potential, and the chance to contribute to core building services while maintaining high

Qualifications

• Experience in a Maintenance or Facilities Management environment.
• Understanding of safety, Permit to Work and safe practices.
• Ability to communicate clearly with clients and colleagues.
• Full UK driving licence required.

Responsibilities

• Carry out servicing, maintenance and repair of mechanical installations on site.
• Maintain AHUs, FCUs and ventilation systems on site.
• Maintain heating, cooling and water systems including booster sets and calorifiers.
• Perform planned preventive and reactive maintenance including legionella monitoring.

Skills

Maintenance experience

Clear communication

Mobile reporting

Full UK driving licence

Education

F-Gas

City & Guilds Level 3

NVQ Level 5

HNC

Job description

ROLE: Mobile HVAC EngineerHOURS: 08:00 – 17:00, 40 hours per weekLOCATION: Greater London

At Mitie, our people are our greatest strength, and our promise is to create a place to work where you can thrive and be your best every day. We're looking for a skilled and experienced HVAC / Mechanical Bias Engineer to join our team and help maintain a wide range of building systems at one of our key client's sites. You will play a vital role in ensuring the reliability, safety, and compliance of essential infrastructure.

Role Responsibilities

• Carry out the service, maintenance, and repair of mechanical installations across the site.
• Maintain ventilation systems including air handling units (AHUs) and intake/extract systems.
• Maintain heating and cooling systems, including thermal wheels and fan coil units (FCUs).
• Work on water systems such as booster sets, calorifiers, and water heaters.
• Undertake both planned preventative and reactive maintenance, ranging from basic plumbing to statutory compliance tasks such as legionella monitoring.
• Respond to client queries, identify and report defects, and provide clear and timely updates.
• Ensure all inspections, remedial works, and service activities are accurately recorded and documented.
• Work safely at height, in confined spaces, and undertake manual handling tasks in line with safe working practices.

Required Qualifications

• Proven experience within a Maintenance or Facilities Management environment.
• Relevant mechanical qualifications such as F-Gas, City & Guilds Level 3, NVQ Level 5, or HNC (or equivalent).
• Strong understanding of Health & Safety, Permit to Work systems, and safe working practices.
• Ability to communicate clearly with clients and colleagues.
• Competent in using a mobile device for reporting and record keeping.
• Full UK driving licence is essential.

What's in it for you?

• The opportunity to work on a key client site with a wide variety of mechanical building systems.
• A role offering stability, flexibility, and the potential for overtime and additional earnings.
• A supportive working environment within a leading facilities management organisation.