A leading principal contractor is seeking an experienced Site Manager to join the delivery team on a major commercial project. This role is suited to a highly capable individual with a strong track record managing complex build programmes and coordinating site operations on projects valued in excess of £10m (minimum 5 years). To be considered for this position you must be based within 1 hour maximum of Oxford. The successful candidate will have experience working with tier one contractors and will be confident overseeing all site activities while ensuring the highest standards of safety, quality and programme delivery. Key Responsibilities • Manage day-to-day site operations on commercial construction projects valued at £10m+ • Coordinate and supervise subcontractors across externals and groundworks packages • Maintain strict adherence to health and safety standards across site operations • Oversee QA processes and ensure work is delivered in line with specifications and drawings • Interpret technical drawings and communicate requirements clearly to site teams • Manage site logistics including deliveries, storage and site access planning • Monitor progress against programme and report to senior management • Ensure all works are completed to programme, budget and quality expectations Requirements • Minimum 5 years experience working as a Site Manager on £10m+ projects • Proven experience delivering commercial construction projects valued £10m+ • Experience working with tier o