A global construction client of ours are looking for two different Site Supervisors - a Civil Site Supervisor and an Electrical Site Supervisor - for two different 400kV substation projects in the Norfolk area. These would be 6-month rolling contracts starting ASAP, with the projects lasting around 2 years. Electrical Site Supervisor - Key Responsibilities: Supervise all electrical installation works across the 400kV substation project, including HV equipment, switchgear, transformers, protection & control systems, and cabling. Oversee subcontractor performance, ensuring compliance with project specifications, drawings, and national electrical standards. Ensure all works are executed in accordance with safety rules (including Permit‑to‑Work, LOTO procedures, and HV safety protocols). Conduct daily briefings, toolbox talks, and progress reporting to the Site/Construction Manager. Review and sign off ITPs, quality documentation, test results, and red‑line mark‑ups. Coordinate with commissioning teams to ensure smooth energisation phases. Monitor progress, manage site issues, and drive timely completion of electrical work packages.Requirements: Proven experience supervising electrical works on HV substations (132kV-400kV). National Grid Person and/or Competent Person Strong understanding of electrical substation equipment installation and commissioning workflows. Experience managing subcontractors on com...