Job Description This is a full-time, site-based senior leadership role located in Leiston, Suffolk, supporting delivery on the Sizewell C Main Development Site. You will provide leadership across a defined section of the Site Delivery footprint, with accountability for capital works delivery and delegated Principal Contractor responsibilities. The role involves leading senior site management teams and coordinating multi-disciplinary delivery across major civil works, networks, buildings, and enabling works. Lead delivery of complex site scope under delegated Principal Contractor responsibility Manage Senior Managers across enabling works, major civils, networks, and buildings Coordinate matrix teams including safety, quality, commercial, and supply chain Define and manage cross-programme interfaces with civils, conventional and nuclear programmes Drive delivery to safety, schedule, cost, quality, and technical requirements Monitor progress, manage risk, and control change across delivery scope Ensure programme schedules and deliverables are developed and maintained Apply continuous improvement and embed lessons learned as standard practice Maintain compliance with CDM regulations, statutory legislation, and site strategies