400kV SAP (Senior Authorised Person) - Offshore Wind Project Location: Dunbar, East Lothian (Onshore Substation) Rate: Up to £884 per day (DOE) - Outside IR35 Contract: Initial 6 months (potential extension) Rotation: 1 week on-site / 1 week remote / 1 week off The Opportunity We're seeking an experienced 400kV Senior Authorised Person (SAP) to support a major offshore wind development during its post-construction and commissioning phase. This is a fantastic opportunity to play a key role in a high-profile renewable energy project, working across both onshore and offshore transmission systems. The Role Reporting to the OFTO Engineer, you'll be responsible for high-voltage network safety and operational control, ensuring safe and compliant energisation and ongoing system management. You'll operate in a unique rotation: On-site (SAP duties) Remote (Control Person duties) Week off Key Responsibilities Manage and control Safety from the System during post-construction and O&M phases Act as SAP on-site and Control Person remotely within the project rotation Support HV switching operations, including producing and reviewing switching schedules Oversee contractor activities and ensure safe systems of work are adhered to Attend and contribute to project meetings, progress reporting, and technical reviews Support commissioning, testing, and quality assurance activities (FAT/SAT where required) Promote and uphold health, safety, and environmental best practices Requirements Current 400kV SAP authorisation and Control Person experience (essential) Strong experience working on GIS and AIS systems Proven background in HV network safety, O&M, and commissioning Experience within offshore wind or similar large-scale energy projects (minimum 3 years) Knowledge of HV safety rules (NWSR/WTSR) Ability to produce and review switching schedules Relevant qualification (ONC/HNC in Electrical Engineering or similar) or equivalent experience Desirable Full GWO certification (Sea Survival, Working at Height, First Aid, etc.) Experience supporting offshore assets (ad-hoc basis) If interested and would like to discuss further please apply here with your CV and we'll be in touch. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants