Job Description Power System Design Engineer (EPC HV Substation and BESS Projects) Job Title: Power System Design Engineer Location: Advance Grid Solutions Glasgow Employment Type: Full-time, Permanent Reports to: Lead Electrical Engineer / Engineering Manager Sector: EPC / Power Systems / Energy Storage / Grid Connections About the Role We are seeking an experienced Power System Design Engineer to join our Engineering team, supporting the delivery of high-voltage substation and Battery Energy Storage System (BESS) projects across the UK. In this role, you ll be responsible for developing electrical designs and studies that underpin our EPC projects ensuring safe, reliable, and grid-compliant operation of complex HV networks and renewable energy systems. You ll collaborate with multidisciplinary teams (civil, protection, SCADA, construction, and commissioning) to deliver technically excellent, buildable, and cost-effective solutions. Key Responsibilities Lead and deliver power system design packages for HV substations, grid connections, and BESS projects (typically kV). Develop single line diagrams (SLDs), equipment layouts, cable schedules, interconnection diagrams, and earthing/bonding designs. Perform power system studies including load flow, short circuit, protection coordination, harmonic, and dynamic stability analysis. Support grid connection applications, compliance submissions, and modelling (DNO/TO/NGESO). Prepare technical specifications for electrical equipment ..... full job details .....