We are working on an exciting opportunity for an experienced Senior Quantity Surveyor to join a respected, independent Construction Consultancy, recognised for delivering expert Cost Management and Project Controls services across major infrastructure programmes. This role will see you embedded within a newly awarded AMP 8 framework with Welsh Water (Dŵr Cymru), supporting the Better Rivers Programme across North Wales. This is a high-profile, long-term commission involving the upgrade and modernisation of water and wastewater infrastructure in the region. The Role As part of the Infrastructure Division, you will be responsible for post-contract commercial management and cost reporting across a portfolio of water-related projects. The successful candidate will work closely with client teams, contractors, and stakeholders to ensure effective delivery under the NEC suite of contracts. Key Responsibilities * Lead the commercial management of water infrastructure projects from contract award to final account. * Provide full post-contract Quantity Surveying services, including the management of interim valuations, compensation events, and final accounts. * Administer and manage contracts in compliance with NEC3 / NEC4 ECC Options A, C, or E. * Manage cost forecasting, risk, and cash flow to ensure commercial objectives are achieved. * Produce and maintain accurate commercial reports and cost data to support informed decision-making. * Work collaboratively with the client team and contractor to support proactive issue resolution. * Assist with developing and nurturing long-term client relationships. * Contribute to the wider business development efforts and growth of the infrastructure team. Requirements * Proven experience in a Quantity Surveying role within infrastructure, preferably water/wastewater or regulated utility sectors. * Strong understanding and working knowledge of NEC3/NEC4 ECC, including Options A, C or E. * Excellent contract administration and post-contract management skills. * Experience managing multiple projects or frameworks simultaneously. * Confident communicator with strong analytical and reporting skills. * Proactive, solutions-focused approach to problem-solving and commercial risk management. * Ability to work up to 3 days per week from client offices in North Wales or on-site as required. Desirable Attributes * Previous experience on water industry frameworks such as AMP 6/7/8. * NEC3 or NEC4 Project Manager Accreditation. * Familiarity with contract management systems (e.g., CEMAR). * Based in, or able to regularly travel to, North Wales and surrounding areas. What’s on Offer * Opportunity to work on a major, long-term framework with a well-regarded client. * Competitive salary and benefits package. * Flexible and hybrid working model. * Career development and progression within a growing Infrastructure division