Senior Quantity Surveyor Civil Engineering & Infrastructure - Northampton The Role The Senior Quantity Surveyor will take a leading commercial role across multiple civil engineering projects, ensuring accurate forecasting, robust cost control and contractual compliance. You will support project teams, guide junior commercial staff and act as a key commercial partner to clients, subcontractors and internal stakeholders. This role demands strong commercial acumen, the ability to manage risk, and the confidence to optimise value throughout the project lifecycle. Key Responsibilities Produce accurate monthly cost/value reports, forecasts, cashflows and CVRs. Lead commercial analysis, cost management and financial reporting across projects. Prepare and negotiate applications for payment, variations, claims and final accounts. Manage subcontract procurement, negotiation, valuations and post-contract administration. Ensure main contract and subcontract terms align with governance and risk requirements. Identify, track and realise commercial opportunities while protecting against risks. Support commercial processes, improving efficiency and ensuring compliance with deadlines. Work closely with project delivery teams to manage expenditure, cash recovery and commercial performance. Build and maintain strong relationships with clients, subcontractors and supply chain partners. Share best practice and provide commercial guidance to site teams and junior staff. About You Essential: Proven experience as a QS/SQS within construction or civil engineering. Strong understanding of NEC and/or IChemE contracts and construction law. Experience in subcontract procurement, management, valuations and reporting cycles. Skilled in forecasting, cost analysis, commercial documentation and project financials. Excellent communication, numerical and IT skills (Microsoft Office). Highly organised, able to meet commercial deadlines and work autonomously. Desirable: Member of RICS (or working towards). CSCS card. Degree/HND in Quantity Surveying (or equivalent). Experience with direct-delivery contractors. Strong problem-solving and stakeholder engagement skills.