Take ownership of all site operations, supervising and liaising with the appointed EPC contractor for the grid-scale BESS project, ensuring all activities align with the construction schedule. Oversee enabling works, civil groundworks, substation builds, containerised BESS installation, MV/HV cabling, and grid connection scope. Ensure all on-site operations comply with CDM regulations, HSE legislation, and project-specific safety plans noting appointed EPC contractor is both Principal Designer & Principal Contractor. Lead, coordinate, and supervise directly appointed subcontractors, including logistics and commissioning teams. Work closely with the engineering and design teams to resolve technical issues and ensure buildability on site. Review site documentation including daily reports, RAMS reviews, permits, inductions, and quality checklists. Liaise with the client's on-site representatives, DNOs/IDNOs, ICPs, and EPC stakeholders.