Principal Quantity Surveyor / Estimating Lead

Principal Quantity Surveyor / Estimating Lead Working in partnership with our delivery partners, you will manage the estimating function of one of the Uks most complex and high-profile Critical National Infrastructure (CNI) programmes, directly contributing its successful delivery Managing the estimating function across all phases, you role will include ensuring the development of accurate, competitive, and compliant cost estimates that support procurement, delivery, and client reporting. Your remit will include: Prepare detailed cost estimates from early feasibility through to final business case submission. Analyse drawings, specifications, and scope documents to ensure comprehensive coverage. Ensure alignment with National Highways and LTC cost estimating protocols and governance. Benchmark costs against similar major projects (e.g. HS2, Tideway, Crossrail 2). Present and defend estimates to senior stakeholders. Support commercial negotiations and value engineering exercises. Support the development of Basis of Estimate (BoE) documentation and estimating plans for PCF stage gates and investment reviews. Maintain audit trails and documentation for all estimating activities. Support risk and contingency planning through cost modelling and scenario analysis. Use industry-standard tools (e.g. CostX, Candy, Excel, BIM-integrated platforms). Maintain and update historical cost databases and benchmarking tools. Promote innovation in digital estimating and ..... full job details .....