Assistant PRE - Construction Manager

Department: Building Fabric - Pre-construction Location: Yeovil Description 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. Key Responsibilities

• Support the Pre-Construction Manager in the preparation of tenders, quotations, and pricing submissions for building fabric and passive fire protection works across the South West portfolio.
• Carry out take-offs and material quantification from drawings, specifications, and survey information, ensuring accuracy at every stage.
• Assist in the preparation of method statements, programmes, and supporting documentation for tender submissions.
• Liaise with supply chain, subcontractors, and internal teams to gather pricing and technical information required to complete bids.
• Maintain and update the pre-construction tracker, ensuring all live enquiries, deadlines, and submission statuses are accurately recorded.
• Support site surveys and pre-construction visits, building your understanding of scope and specification requirements on the ground.
• Assist with the handover of won projects to the delivery team, ensuring all pre construction information is transferred accurately.
• Develop your knowledge of passive fire protection systems, fire doors, firestopping, and the compliance framework that underpins our work.
• Contribute to continuous improvement of the pre-construction process — including templates, pricing tools, and submission quality. Skills, Knowledge & Expertise
• An A-player mindset — high standards, extreme ownership and the drive to do things properly, the first time.
• Experience in a pre-construction, estimating, quantity surveying, or commercial support role within building fabric, passive fire, construction, or a closely related discipline.
• Ability to carry out accurate take-offs and quantification from drawings and specifications.
• Strong numerical and analytical skills — comfortable working with pricing data, cost summaries, and tender documents.
• Highly organised with strong attention to detail — able to manage multiple live bids simultaneously and meet submission deadlines without dropping the ball.
• Good communication skills — able to liaise professionally with clients, supply chain, and internal colleagues.
• Proficient in Microsoft 365 — particularly Excel, Outlook, and Word.
• Yeovil office-based or within commutable distance of the South West, and available full time.
• Full UK driving licence. Job Benefits This is a chance to build a pre-construction career at one of the UK's fastest-growing fire safety specialists — working on a growing South West pipeline across fire doors, firestopping, and passive fire works, supported by an experienced Pre-Construction Manager, and developing the commercial and technical skills that will take your career forward. At Harmony, we ask a lot — and we give a lot back. The hours are real, the standards are high and the work is demanding, but for those who show up, deliver and go the extra mile, the rewards follow. A-players here enjoy a competitive salary, a Personal Development Plan with ongoing training and mentoring, unlimited holiday, a bonus scheme paying up to 50% of annual salary, enhanced maternity and paternity, lunch, snacks and refreshments on us every day (fresh fruit and Takeaway Friday included), a team social budget, cycle to work, an auto enrolment pension, two major company events a year and our Reward and Recognition scheme — including European mini-breaks for those who go above and beyond. It is a collaborative, high-energy environment focused on doing things the right way — and none of it is a perk for showing up; it's what we share with the people pulling the business forward.