Primary Design Engineer - HV Substations Overview: Lead the design delivery for high-voltage (up to 400kV) substation projects, ensuring alignment with National Grid requirements and industry standards. Support Design Delivery Managers with team oversight and contribute to project planning and procurement. Key Responsibilities: Lead and coordinate HV primary substation design, ensuring compliance with specifications and applicable standards. Check and approve key design deliverables: single line diagrams, layouts, SC force and earthing calculations, access provisions, etc. Act as Contractor Design Approval Engineer (CDAE) per National Grid procedures. Represent the Principal Designer role under CDM 2015, where required. Review technical specs and supplier proposals. Support planning, work allocation, and resource coordination within the design team. Contribute to design risk assessments and ensure safety and sustainability by design. Prepare and review design management plans (DEMP) and ensure compliance with internal engineering expectations (e.g., GMEE). Qualifications & Experience: Degree in Electrical Engineering (or equivalent); Chartered Engineer or working towards chartership. Member of a relevant professional body (e.g., MIET). 10 years' experience in HV substation design. Strong understanding of AIS/GIS up to 400kV and HV plant equipment. Familiarity with National Grid standards and TP141 qualification (advantageous). Competence in engineering tools (e.g., AutoCAD, MS Office) and design validation through calculations. BIM 360 experience desirable. ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit