Principal Substation (Primary Design) Engineer - UK Grid Network Jacobs is playing a leading role in the global energy transition. As our UK and Continental Europe team continues to expand, we are seeking a Principal Primary Substation Engineer to support a range of high-profile projects across our Power & Energy portfolio. This includes high voltage AIS and GIS Substations, transmission system assets, HVDC interconnectors, and energy storage systems. Key Responsibilities: Lead FEED and detailed design workstreams for National Grid and DNO clients Ensure quality assurance and timely delivery of design packages and bids Review HV plant aspects including layouts, earthing, interlocking, busbar calculations, and specifications Coordinate with back-office engineers, suppliers, and subcontractors Attend and contribute to design reviews, hazard reviews, FAT and SAT Provide technical leadership and mentoring to junior engineers Support tendering activities and contribute...