Our client, a major UK consultancy supporting a range of Water company clients, is seeking experienced Quantity Surveyors or Senior Quantity Surveyors to support long‑term programmes of work on the Thames Water framework. These roles offer excellent career progression, exposure to high‑value infrastructure projects, and the opportunity to work within a collaborative commercial team. Permanent and freelance applications will be considered. Key Responsibilities Provide comprehensive commercial support across live projects within the Thames Water capital delivery programme. Manage and administer contracts under NEC3 or NEC4, including ECC Options A, C and E. Lead cost control, forecasting, and budget management activities across multiple work packages. Prepare and review valuations, applications for payment, cost reports, and change/compensation event submissions. Support procurement activities, including subcontractor tendering, negotiation and appointment. Maintain robust commercial records to support audit and assurance requirements. Prepare and agree final accounts, ensuring best commercial outcomes for the client. Provide commercial insight and advice to project managers and senior stakeholders. Ensure compliance with all internal procedures, governance and reporting frameworks.Skills/experience/qualifications Demonstrable experience as a Quantity Surveyor or Senior QS within utilities, water, infrastructure, or c...