Maintenance Engineer
Recruitment Index
London · posted 21 August 2026
Salary
£45,000 – £55,000 a year
Job type
full time
Location
London, London
Category
Engineering
Are you an experienced Maintenance Engineer looking for a mobile role where your technical skills are valued, your development is supported, and no two days are the same?
On behalf of our client we are looking for a talented Mobile Maintenance Engineer with a strong Air Conditioning and Refrigeration bias to join their growing engineering team.
This is a varied commercial maintenance role combining A/C and refrigeration with general mechanical and building services maintenance. You'll work across a portfolio of commercial properties throughout London, the M25 and surrounding areas, carrying out planned, reactive and compliance works.
Job Title: Maintenance Engineer - Air Conditioning Bias (mobile)
Salary: Up to £55,000
Location: London & M25
Contract: Permanent, Full time, Monday to Friday 8am to 5pm
The Role
You'll be responsible for:
* PPM, reactive maintenance and fault finding
* Servicing and maintaining Air Conditioning, Refrigeration, VRF/VRV, Chillers, ASHPs and GSHPs
* Working within plant rooms and on pumps, valves and hot/cold water systems
* Supporting general mechanical and building services maintenance
* Producing clear and accurate digital job reports, including photographs and details of remedial works
* Completing compliance checks including water temperature monitoring, emergency lighting and fire alarm testing
About You
We're looking for an experienced commercial maintenance engineer with:
* F Gas Category 1 qualification
* Strong Air Conditioning & Refrigeration experience
* City & Guilds 2079-11 Category 1 or equivalent
* Hydrocarbon qualification such as City & Guilds 6187-21 is desirable
* Experience with VRF/VRV, chillers, ASHPs and/or GSHPs
* Good fault-finding and diagnostic skills
* Commercial building and plant room experience
* A willingness to develop broader mechanical and multi-skilled maintenance knowledge
* Full UK driving licence
What's on Offer?
* £45,000 – £55,000, depending on experience
* Paid travel time
* Overtime opportunities
* Company van, uniform and PPE
* 23 days' holiday + bank holidays
* Company pension after 3 months
* Benenden Healthcare after successful 6-month probation
* Ongoing training and development
* Varied commercial engineering work
* Participating in a 1-in-9 call-out rota
If you're an experienced Air Conditioning Engineer, Refrigeration Engineer, HVAC Engineer, F Gas Engineer or Multi-Skilled Maintenance Engineer looking for a varied mobile role with excellent earning potential, we'd love to hear from you.
Thank you for taking the time to read the job advertisement and we look forward to receiving your application.
Thank you for your interest in working with Recruitment Index. Since 2020 Recruitment Index have been working with fantastic talent across the Hertfordshire, Bedfordshire and London area. Due to the high volume of applications, it is not always possible to get back to each applicant with individual feedback. However, your application will be reviewed within the next 3-5 working days. Unfortunately, if you do not hear from us you will have been unsuccessful on this occasion however, we will keep you informed of any changes.
This advertisement has been posted by Recruitment Index as an employment agency on behalf of our client
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