Commercial Manager / Senior Quantity Surveyor - Infrastructure and UtilitiesLocations: London, South of England and South West (Hybrid Working Available)My client, a well-established and growing construction consultancy, is looking to appoint experienced Commercial Managers and Senior Quantity Surveyors to support the delivery of major infrastructure and utility programmes across the UK.This is an excellent opportunity to join a respected consultancy working on high-profile projects within the utilities, energy and wider infrastructure sectors. The roles offer a flexible working arrangement with occasional travel for meetings across the South of England, including Bristol, while avoiding the need for regular site or client office attendance.The RoleYou will play a key role in providing commercial leadership across a portfolio of projects, ensuring effective contract administration, cost control, risk management and stakeholder engagement throughout the project lifecycle. Working closely with clients, contractors and project teams, you will help drive successful commercial outcomes while maintaining strong governance and contractual compliance.Key ResponsibilitiesManaging commercial and contractual aspects of major infrastructure and engineering projects.Administering and advising on NEC3 and NEC4 contracts, particularly Options A and C.Supporting contract management activities, including change control, compensation events and risk mitigation.Building and maintaining strong r