Site Supervisor - SSE Framework Projects (SSE Cat 3 Authorisation Required) Start Date: November Rate: £350-£400 per day (CIS) Location: Oxfordshire Keywords: BESS, National Grid, SSE, Solar, HV Substation, 400kV, 275kV, 132kV, Civil Works, Site Supervisor, Site Engineer, Renewable Energy Role Overview: Turner Lovell is recruiting for a UK-based infrastructure and utility services provider with expertise in power infrastructure, delivering high-voltage renewable energy and civil engineering projects across the UK. We are looking for a hands-on Site Supervisor with proven experience in civil and enabling works, through to the coordination of M&E installation packages on high-voltage renewable energy projects. This position is for SSE Framework Projects requiring SSE Cat 3 Authorisation, overseeing HV substation and cabling works while maintaining strict safety, quality, and operational standards. You will work on major renewable energy infrastructure projects with long-term stability and a top-tier international team. Key Responsibilities: Lead and supervise site personnel, subcontractors, and civil works for HV substations and renewable energy projects. Enforce SSE operational safety procedures, CDM regulations, and National Grid Transmission requirements. Conduct weekly safety inspections, toolbox talks, and point-of-work risk assessments to maintain a proactive safety culture. Prepare, implement, and ...