We are seeking an experienced Quantity Surveyor or Assistant Quantity Surveyor to join a long-established specialist construction contractor delivering scaffolding and brickwork packages across multiple live construction sites. This position is office-based in Northampton, with regular site visits to support commercial control, valuations, and cost management. You'll work closely with site teams and fellow surveyors, supporting the commercial delivery of works across a busy and well-established operation. You'll be responsible for: Preparing measurements and cost estimates * Producing interim valuations and applications for payment, including variations * Pricing variation orders and managing client charging * Preparing, negotiating, and agreeing final accounts * Re-measuring Bills of Quantities * Monitoring costs to ensure works remain within budget * Producing cost value reconciliations (CVRs) * Preparing turnover, profit forecasts, and cash flow reports * Supporting contract claims and commercial documentation * Attending site and commercial meetings * Visiting live sites (typically monthly) to review progress and valuations * Maintaining document control and general commercial administration * Ensuring awareness and compliance with health & safety requirementsYou'll have previous experience in a Quantity Surveying or Assistant Quantity Surveying role within construction and a strong commercial mindset...