We are recruiting for an experienced Site Based Project Manager to lead a large commercial new build scheme in Slough valued at £25m +. This role is with a well-established main contractor delivering high-quality projects across the region. The Project Manager will take full responsibility for day-to-day site operations, ensuring works are delivered safely, on programme, and to the required standard. A strong background in groundworks is essential, along with proven experience managing commercial new build developments from early stages through to handover. Candidates must have experience working for a Tier 1 main contractor. Key Responsibilities Overseeing all site activity on a major commercial new build project Managing subcontractors, labour, and resources to maintain progress Leading on groundworks packages and early-stage site setup Monitoring programme, quality, and costs, ensuring project targets are met Driving high standards of health and safety Chairing site meetings and maintaining clear communication with clients, consultants, and internal teams Reporting on project progress and resolving issues promptly Requirements Demonstrable experience as a Project Manager on £10m+ commercial new build schemes Strong technical knowledge of groundworks and civil engineering packages Proven experience working for a Tier 1 main contractor Effective leadership skills, with the ability to manage multi-disciplinary teams Excellent communication, organisational, and problem-solv