Mechanical Site Supervisor - Building Services (HVAC, Pipework, Plantroom)
Location: London & Home Counties
Salary: £55,000 - £65,000 + Company Van + Bonus + Benefits
A well-established Mechanical & Electrical Building Services contractor is seeking an experienced Mechanical Site Supervisor to oversee installation projects across London and the Home Counties.
The company delivers mechanical building services installation projects directly for end-user clients, covering commercial offices, education, healthcare environments, heritage buildings and high-end residential developments.
This opportunity would suit a Mechanical Supervisor, HVAC Supervisor or Mechanical Foreman with strong experience in pipework, plantroom installations and HVAC systems who enjoys leading engineers on site and delivering high-quality building services projects.
The Role - Mechanical Site Supervisor
As Mechanical Site Supervisor, you will take responsibility for supervising and coordinating mechanical installation teams on site. Team sizes typically range from 10-25 engineers, depending on project scale.
Projects are frequently delivered in live or occupied buildings, requiring strong organisation, clear communication and a professional client-facing approach.
You will act as the senior mechanical representative on site, ensuring installations are delivered safely, on programme and in line with industry standards.
Projects You'll Be Working On
* Mechanical plantroom installations and HVAC upgrades
* Commercial office fit-outs and refurbishments
* Typical project values range from £200k - £2m, providing a varied portfolio of technically interesting mechanical building services installations across London.
Mechanical Systems You Will Oversee
* HVAC and ventilation systems
* Mechanical plant installations including boilers, pumps, chillers, AHUs and heat pumps
* Heating and chilled water pipework systems
* Domestic hot and cold water services
* Plantroom mechanical installations
* Mechanical distribution systems within commercial buildings
Key Responsibilities
* Supervise mechanical installation teams across HVAC, pipework and plantroom works
* Plan labour resources, installation sequencing and site logistics
* Ensure mechanical building services installations meet project specifications and quality standards
* Liaise with clients, main contractors, project managers and consultants
* Ensure works comply with health & safety regulations and company procedures
* Monitor installation progress and assist with commissioning preparation
* Coordinate subcontractors and specialist engineers
* Provide progress updates and site reports as required
What We're Looking For
* Minimum 5 years' experience supervising mechanical building services installations
* Strong technical knowledge of HVAC systems, pipework installations and plantroom equipment
* Experience managing mechanical site teams of 10-25 engineers
* Previous experience working for a Mechanical Contractor or M&E Building Services contractor
* Professional and confident communicator comfortable in client-facing environments
* SMSTS or SSSTS, CSCS, and Asbestos Awareness desirable
* Full UK Driving Licence
Ideal Background
* Mechanical Site Supervisor
* HVAC Supervisor
* Mechanical Foreman
* Mechanical Site Manager
* Senior Mechanical Engineer looking to step into a supervisory role within a Mechanical Contractor or M&E Building Services Contractor.
Why Join This Company
You will be joining a well-established building services contractor with a strong reputation for delivering high-quality mechanical and electrical installations across London and the South East.
The company specialises in HVAC systems, mechanical plant installations, building services upgrades and commercial fit-out projects, working closely with consultants, architects and end-user clients to deliver technically complex projects in demanding environments.
A strong focus on professionalism, safety and long-term client relationships has resulted in a consistent pipeline of repeat business and secured projects, providing stability and long-term career opportunities for employees. See Climate FM for the type of services delivered.
Salary & Benefits
* £50,000 - £65,000 depending on experience
* Company van and fuel/credit card
* Pension scheme
* 20 days holiday plus statutory
* Discretionary bonus
* Long-term career progression opportunities
Interview Process
* Initial Teams interview, followed by face-to-face meeting if required
* Strong candidates may proceed directly to final interview
Location
Ideally based within London or the Home Counties
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