Mechanical Maintenance Engineer – Building Services

Dalkia; Greater London; On-site; GBP 36,000 - 48,000; Full time

Benefits offered by this job

25 days' annual leave + birthday day

Overtime opportunities and pension 6–8

Life assurance and private medical

Training and career development

Job summary

Dalkia UK is seeking a hands-on Mechanical Maintenance Engineer for Imperial College London's White City Campus. You will perform planned maintenance, diagnose faults and repair AHUs, FCUs, pumps, calorifiers and pressurisation units on-site in London.

The role suits a mechanical technician with experience in large, complex buildings. You will use CAFM systems, perform water hygiene tasks and liaise with subcontractors, with 25 days leave and pension benefits offered.

Qualifications

• A Level 2 mechanical qualification (City & Guilds or NVQ). Level 3 desirable.
• Hands-on experience maintaining and fault-finding on mechanical building services plant (AHUs, FCUs, pumps).
• Experience in planned and reactive maintenance in large commercial or technically complex buildings (university or hospital experience an advantage).
• Confidence using mobile devices and CAFM systems.
• Good communication skills and a safe, practical approach to maintenance.
• Full UK driving licence.

Responsibilities

• Carry out planned preventative maintenance (PPM), fault‑finding and reactive repairs on mechanical and HVAC plant.
• Respond to plumbing callouts, including leaks, blockages and faulty taps.
• Complete routine water hygiene tasks, including outlet flushing, sentinel outlet temperature checks and descaling showerheads and eyewash stations.
• Carry out emergency lighting tests and other routine safety checks within your competence.
• Use the CAFM system to update jobs, record findings and flag follow‑up work.
• Escort specialist subcontractors and keep the site team informed about repairs and any impact on building users.

Skills

Hands-on maintenance

Mechanical plant knowledge

Communication skills

Driving licence

CAFM system proficiency

Mobile device compatibility

Education

Level 2 mechanical qualification

Level 3 qualification desirable

Tools

CAFM software

Job description

Location: Imperial College London, White City Campus, London W12 0BZ

Hours: Monday to Friday, 08:00–17:00

Dalkia UK is looking for a hands‑on Mechanical Maintenance Engineer to join our site team at Imperial College London's White City Campus. You'll carry out planned maintenance, diagnose faults and respond to breakdowns on air handling units (AHUs), fan coil units (FCUs), pumps, calorifiers and pressurisation units.

This role would suit a mechanical maintenance technician, HVAC technician or mechanically biased building services engineer with practical experience maintaining plant in large commercial or technically complex buildings.

What you'll be doing

• Carry out planned preventative maintenance (PPM), fault‑finding and reactive repairs on mechanical and HVAC plant.
• Respond to plumbing callouts, including leaks, blockages and faulty taps.
• Complete routine water hygiene tasks, including outlet flushing, sentinel outlet temperature checks and descaling showerheads and eyewash stations.
• Carry out emergency lighting tests and other routine safety checks within your competence.
• Use the CAFM system to update jobs, record findings and flag follow‑up work.
• Escort specialist subcontractors and keep the site team informed about repairs and any impact on building users.

What you'll need

• A Level 2 mechanical qualification, such as City & Guilds or an NVQ. Level 3 is desirable.
• Hands‑on experience maintaining and fault‑finding on mechanical building services plant, such as AHUs, FCUs and pumps.
• Experience carrying out planned and reactive maintenance in large commercial or technically complex buildings. University or hospital experience would be an advantage.
• Confidence using mobile devices and CAFM systems.
• Good communication skills and a safe, practical approach to maintenance.
• A full UK driving licence.

What we offer

• 25 days' annual leave plus bank holidays, a day off for your birthday and the option to buy up to five additional days.
• Overtime opportunities and matched pension contributions of 6–8%.
• Life assurance and private medical insurance after 12 months.
• Training and career development opportunities within Dalkia UK.

We're committed to equity, diversity and inclusion. If you need any reasonable adjustments during recruitment, please let our Talent Acquisition team know in confidence.

Our Values

People First – It starts with health, safety and wellbeing

Better Together – A collaborative team

Trusted Partners – Dedicated to our clients' success

Taking Responsibility – Making a positive difference

Equity, Diversity & Inclusion

We're committed to an inclusive and fair recruitment process. If you need any adjustments please let us know, in confidence, our team is here to support you.