Senior Quantity Surveyor in London

Senior Quantity Surveyor – Water AMP8 Location: London (Flexible Hybrid) Work Type: Permanent Salary: £75,000 – £80,000 per annum + benefits Join a leading UK infrastructure and water‑sector delivery partner as a Senior Quantity Surveyor within their Commercial team. Reporting to the Managing Quantity Surveyor, you will take a leading role in the commercial management of major projects, driving cost control, financial performance, and contractual compliance across multiple work packages. Key Responsibilities Lead the delivery of quantity surveying and commercial management across projects and work packages. Take ownership of cost management, including forecasting, budgeting, and financial reporting. Provide commercial guidance and support to project teams, ensuring alignment with project objectives. Manage relationships with clients, subcontractors, and internal stakeholders to ensure commercial requirements are met. Administer the main contract, including issuing and responding to contractual notices, managing change, and mitigating risk. Prepare, review, and negotiate subcontract documentation and agreements. Oversee subcontractor performance, ensuring compliance with contractual and commercial obligations. Lead the preparation, submission, and agreement of interim applications, valuations, and final accounts. Produce accurate cost/value reports, cash flow forecasts, and financial performance analysis. Identify commercial risks and opportunities, developing and implementing mitigation strategies. Mentor and support junior commercial team members, fostering professional development. Promote best practice, innovation, and continuous improvement within the commercial function. Maintain strong working relationships and present a professional, solutions‑focused approach in all interactions. Undertake additional duties appropriate to the level and responsibility of the role. What We’re Looking For Proven experience as a Senior Quantity Surveyor (or established QS ready to step up) within construction, infrastructure, water, or a related sector. Strong knowledge of contract administration (e.g., NEC forms) and commercial management practices. Demonstrated ability to lead commercial activities on complex projects. Strong financial acumen with experience managing project cost performance independently. Excellent negotiation, communication, and stakeholder management skills. Ability to identify and manage commercial risks and opportunities effectively. Proactive leadership style with a collaborative and solution‑focused mindset. Commitment to continuous professional development; chartership (e.g. RICS) desirable or in progress. Take the next step in your career by supporting the delivery of critical water infrastructure projects while playing a key leadership role within a high‑performing commercial team