Job Title: Senior Quantity Surveyor Location: Hayes, West London Sector: Main Contractor – Industrial, Data Centres & Commercial Construction Salary: Competitive + Package The Opportunity Are you an experienced Quantity Surveyor ready to take ownership of the commercial management of major construction projects? This is an opportunity to join one of the UK’s most successful privately owned main contractors, working on significant schemes in West London as part of a growing commercial team. Walker & Sloan are recruiting a Senior Quantity Surveyor to join the business on projects based in Hayes. You’ll take a leading role in the commercial delivery of your projects, working closely with project managers, construction teams and senior commercial staff, with real autonomy and a clear route to progress as the business continues to grow. Role Overview You will be responsible for the full commercial management of your projects, from procurement and subcontract placement through to final account. That includes preparing and managing cost plans, budgets and cost value reconciliations, and producing accurate monthly cost reports and forecasts for senior management. Working with the wider project team, you’ll procure and manage the supply chain, place subcontract orders, assess applications for payment and agree subcontractor final accounts. On the client side, you’ll prepare interim valuations and applications, manage variations and change, and negotiate the final account. You’ll keep a close eye on commercial risk and opportunity throughout the project lifecycle, making sure contractual obligations are met and notices are issued on time. As a senior member of the commercial team, you’ll also support and mentor Quantity Surveyors and Assistant Quantity Surveyors, and build strong relationships with clients, consultants and subcontractors. About You You will be an experienced Senior Quantity Surveyor, or a strong Quantity Surveyor ready to step up, with a proven track record working for a main contractor. Experience within industrial and logistics, data centres, science and technology or commercial construction would be particularly valuable. You’ll have a thorough understanding of the full commercial lifecycle, from procurement and subcontract management through to valuations, variations, cost reporting and final accounts, along with a sound working knowledge of JCT and/or NEC contracts. A degree in Quantity Surveying or a related discipline would be advantageous, and MRICS or working towards it would be welcomed. You are commercially sharp, organised and confident negotiating with clients and the supply chain, while working collaboratively with your project team to deliver successful, profitable projects. Company Profile You’ll be joining a privately owned main contractor that has grown rapidly over the last decade to become one of the UK’s most successful independent contractors, with offices across the UK and Ireland. Originally established in the industrial and logistics market, the business now delivers projects across data centres, science and technology, commercial offices, retail and studios for long-standing clients. With a culture built on trust, accountability and close relationships with customers and the supply chain, the business continues to invest in its people as it grows, making this an excellent time to join and build a long-term career. What’s in it for you? * Competitive salary, depending on experience. * Comprehensive benefits package. * Ownership of the commercial management of major construction projects. * Exposure to a varied portfolio across fast-growing sectors. * Long-term career progression within a growing main contractor. * A supportive culture built on trust and accountability. About Walker & Sloan Walker & Sloan are a B Corp certified recruitment business specialising in construction and the built environment. I, Jack Houghton, work closely with contractors, developers and consultancies across the UK and handle all applications with complete confidentiality. Next Steps If you’re an experienced Quantity Surveyor looking to take the next step with a growing main contractor, I’d be keen to hear from you