Building Services Technician – Mechanical Bias

About Dalkia UK

At Dalkia, we're driven by a shared purpose: tackling climate change and building a better, more sustainable future. We bring together talented people who share knowledge, challenge each other and grow together.

Backed by EDF, Britain's biggest generator of low carbon electricity, we're a people-first culture. With 5,000+ employees and £600m+ turnover, we combine the strength of a major group with a great culture, innovative mindset and inclusive values making Dalkia a great place to work and grow your career.

Primary

Location:

Imperial College London, White City

Working Hours:

Monday–Friday, 08:00–17:00

Dalkia UK provides facilities management services across approximately 30 buildings within Imperial College London's diverse and technically complex estate.

We are looking for an experienced Building Services Technician with a mechanical bias to join our dedicated team. Predominantly based at the White City campus, you will also support Imperial College London's South Kensington and Hammersmith sites when required.

This is a hands‑on role delivering planned and reactive maintenance across a range of mechanical building‑services systems. You will work with equipment including air‑handling units, fan coil units, pumps, calorifiers and pressurisation units, carrying out routine maintenance, investigating faults and completing first‑line repairs.

The role would suit an experienced mechanical maintenance technician, HVAC technician or mechanically biased building‑services engineer who is confident maintaining mechanical plant within large commercial or technically complex buildings. You will help ensure the estate remains safe, compliant and operating effectively while providing a responsive and professional service to the client.

• Carry out planned preventative maintenance and reactive repairs across mechanical building‑services systems.
• Inspect, service and maintain air‑handling units, including filters, belts, fans, bearings, motors, dampers, actuators and associated mechanical components.
• Investigate faults affecting air‑handling and ventilation systems, identify the likely cause and complete appropriate first‑line repairs.
• Carry out routine maintenance and fault‑finding on fan coil units, including filters, valves, actuators, fans and condensate systems.
• Inspect, maintain and complete first‑line repairs to pumps, calorifiers, pressurisation units and other associated mechanical plant.
• Identify worn, damaged or defective components and arrange replacement parts or specialist support where necessary.
• Respond to mechanical and plumbing‑related callouts, including leaks, blockages, loss of water pressure, defective taps, toilets and other associated faults.
• Complete minor plumbing repairs and remedial works within your level of competence.
• Carry out L8 water‑hygiene activities, including tap flushing, sentinel outlet temperature checks and the descaling of shower heads and eyewash stations.
• Undertake emergency‑lighting tests and other routine safety and compliance checks.
• Complete visual plant inspections, identify developing issues and report defects before they result in equipment failure.
• Use mobile devices and CAFM systems to receive tasks, record findings, update job information and accurately document completed works.
• Provide clear information when faults require replacement components, further technical investigation or specialist subcontractor support.
• Escort and oversee specialist subcontractors, ensuring work is completed safely and in accordance with site requirements.
• Communicate professionally with clients, colleagues and site management, providing clear updates on faults, repairs and outstanding works.
• Ensure all…