We''re looking for an experienced Senior Quantity Surveyor to join a specialist self-delivery contractor delivering a major reinforced concrete package. The contract operates under NEC4 Option E (Cost Reimbursable) and this is an administration-heavy commercial role. The value is in ensuring the volume of work being delivered is captured, evidenced, substantiated and recovered. The Role You''ll take ownership of day-to-day commercial activity and applications, including: Preparing and managing applications for payment Capturing and substantiating Defined Cost Maintaining detailed labour, plant, material and subcontract records Reconciling actual costs against applications and forecasts Ensuring supporting evidence is complete and audit-ready Identifying and mitigating Disallowed Cost exposure Managing Early Warnings and Compensation Events Capturing and substantiating change as it happens Maintaining strong contemporary records Responding to client queries and assessments Commercial management of subcontractors and suppliers Cost forecasting and commercial reporting Working closely with site teams to ensure commercially important information isn''t missed Who We''re Looking For Strong NEC3/NEC4 experience Ideally Option E / cost reimbursable experience Major civil engineering, FRC or infrastructure background Strong understanding of Defined Cost and cost substantiation Exceptionally organised and administratively strong Comfortable ..... full job details .....