Assistant Pre-Construction Manager

Harmony is on a mission to be the best life safety partner to work with and for. Rated an ‘Outstanding Employer’ by Best Companies in 2025, we are only getting bigger and stronger — and we’re looking for A-players to help us get there. 

We are passionate about making a difference and obsessed with quality. Our goal is to build a world where every resident can sleep safely at night, knowing their home is 100% safe. 

Our Building Fabric Pre-Construction team in London is growing fast, and we are looking for an Assistant Pre-Construction Manager to support the delivery of high-quality bid submissions, project pricing, and pre-construction activity across our South West portfolio. Reporting to the Pre-Construction Manager, you will play a key role in turning enquiries into winning proposals across fire doors, firestopping, compartmentation, and wider building fabric works. 

This is a hands-on commercial role at the heart of a fast-moving pre-construction operation. If you are numerate, organised, and want to build a career in pre-construction at one of London’s fastest-growing fire safety specialists — read on.