Senior Quantity Surveyor required to work for Principal Contractor JV on the High Speed Rail London Main Works Civils Programme. 12 month contract initially - Inside IR35 London Euston - Hybrid working arrangements in place. Senior Quantity Surveyor required with Strong NEC Contracts and Change Management and Sub-Contractor management experience essential. Senior QS role brief: Support a Senior Commercial Manager while working both independently and collaboratively within an integrated team. Your primary focus will be the effective close-out of subcontract change. -Subcontract Administration - Manage all aspects of subcontract change control, including assessing subcontract Compensation Events and Quotations. -Risk Management: Attend and contribute to risk reduction meetings, providing commercial insight and solutions. -Reporting: Use Excel skills to extract, analyse, and present data to demonstrate progress and support decision-making. -Contractual Compliance: Review and interpret Clause 32 changes related to compensation events, ensuring compliance with NEC3 contract requirements. -Change Control: Identify and provide timely, accurate information to support the change control process. -Registers Maintenance: Maintain registers for CE's, delays, extensions of time, and claims. Essential -Relevant Degree in Quantity Surveying or equivalent relevant industry experience. -Advanced knowledge in Microsoft Excel. -Experience of managing suppliers/subcontractors -Possesses demonstrable experience or knowledge of the NEC3 suite of contracts -Right to Work in the UK.