Quantity Surveyor

Quantity Surveyor - Heathrow Role Purpose Quantity Surveyor required for a leading corntractor working within a multidisciplinary consultancy environment, the role is responsible for identifying, assessing, pricing, negotiating, and securing agreement of changes arising from design development, scope evolution, client instructions, technical assurance requirements, and programme impacts. The successful candidate will possess strong commercial, contractual, and technical understanding of infrastructure design and delivery, enabling them to work effectively with engineering, planning, project controls, and client teams throughout the project lifecycle. A key aspect of the role is the ability to challenge and support design teams, ensuring that changes are robustly substantiated, commercially recoverable, and aligned with contractual entitlements. Key Responsibilities Design Change Management Lead the commercial assessment of design development and design change across HS2 programmes. Work closely with engineering and design teams to identify emerging change opportunities and risks at the earliest stage. Understand the relationship between design maturity, scope evolution, and commercial impact. Evaluate the cost, schedule, and risk implications arising from design modifications. Establish and maintain detailed change registers and governance processes. Ensure all changes are supported by robust technical and commercial justification. Commercial & Contractual Management Prepare and manage change submissions, compensation events, instructions, and variation proposals. Provide commercial and contractual advice regarding entitlement arising from design changes. Support negotiations with clients, delivery partners, contractors, and stakeholders. Manage change from identification through to agreement and final account settlement. Maintain compliance with NEC contract requirements and HS2 commercial processes. Protect and maximise commercial recove