Site Construction Supervisor (BESS) Location: Site-based - North Yorkshire Rate: £450-£500 per day (Inside IR35, via PAYE umbrella) Duration: 6 months + strong potential to extend Hours: 40 hours per week Start: ASAP Clearance: BPSS-level checks and Right to Work in the UK The Opportunity Are you a hands-on Site Construction Supervisor with a strong civils background who enjoys being right at the heart of delivery? This is an opportunity to support the delivery of a flagship 320MW/640MWh Battery Energy Storage System (BESS) project in North Yorkshire, helping to expand the UK's low‑carbon energy infrastructure. You'll act as the client's representative on site, supervising complex civil, structural and foundation works, as well as substation-related activities. If you've delivered major infrastructure, energy, utilities or power sector projects, this role offers a fast‑paced, meaningful challenge. Key Responsibilities Oversee day‑to‑day site activities to ensure works are delivered safely, to quality standards, on programme and in line with environmental expectations. Coordinate with contractors and consultants, ensuring all safety documentation, RAMS and permits are compliant and in place. Verify construction progress, ensuring contractor reporting aligns with reality on site. Maintain daily diaries and produce weekly project updates. Build strong relationshi...