Job Description

Who is Size Group?

Launched in 2009 as a small construction venture between two friends, Size Group brings together the vital elements of property from the construction of luxury buildings through to the maintenance and management of a property portfolio.



We now seek a Mechanical Engineer to join our Property Care team on a permanent, full-time basis.

The Benefits

This is a great opportunity for a Mechanical Engineer with a construction background to join and grow within our forward-thinking and collaborative organisation.



We offer:

Auto enrolment to company pension scheme (opt-out option available) Private medical insurance 26 days annual leave Travel expenses for site-based staff As part of a growing group with ambitious plans, you'll benefit from strong leadership support, visible career progression, and the chance to help shape the success of our most high-profile projects.

The Culture

At Size Group our values underpin who we are. They form an important benchmark for everyone - collectively and individually. We are:



Empathetic - People-driven and focused

Tenacious - Relentless pursuit of the highest standards

Integrity - Integrity earns trust. Trust builds relationships

Entrepreneurial - Self-starters that push beyond the obvious



We boast a culture that is focused on training and development, career paths and internal progression. What's more, we're committed to our employees and offer a range of benefits to support your lifestyle both in and out of the workplace.

The Role

As a Mechanical Engineer you will play a key role in the ongoing maintenance, optimisation, and safe operation of mechanical systems within luxury residential properties. You will ensure that all building services run reliably, efficiently, and to the exceptionally high standards expected by our clients. This includes mechanical plant, HVAC systems, domestic services, and specialist equipment integrated into bespoke residential builds.



Key responsibilities include:
Conducting regular planned preventative maintenance on all mechanical systems across a portfolio of luxury residential properties Mechanical diagnostics, working quickly and efficiently to resolve faults with minimal downtime Carrying out statutory checks to ensure compliance with relevant regulations Responding promptly to urgent issues, carrying out root-cause analysis to prevent repeat faults Liaising with Property Managers, estate teams, clients and specialist subcontractors professionally and respectfully Maintain thorough documentation of maintenance activities through service logs, asset registers and reports

About You

To be considered for the role of Mechanical Engineer you will need to demonstrate:

NVQ Level 3/City & Guilds or equivalent in Mechanical Engineering, HVAC, Building Services or Plumbing & Heating Experience within a high-end residential setting is preferred Outstanding communication skills when dealing with colleagues and stakeholders Ability to work independently as well as alongside a team of property care specialists and subcontractors Have a proactive mindset and strong problem-solving abilities Strong attention to detail and pride in workmanship Full UK driving licence and access to a car is desirable

How to Apply

So, if your skill set matches the above and the prospect of helping deliver some of the country's finest projects appeals to you, please reach out by clicking Apply.



Your application will be processed by Size Group, and interviews will be conducted on a rolling basis as suitable candidates apply. We therefore encourage you to submit ASAP to avoid missing out!