Overview

Primary Design Engineer - High Voltage Substations (132kV-400kV)

Location: Hybrid - Staffordshire Office

Employment Type: Inside IR35 Contract

Responsibilities

• Lead the primary design activities for AIS and GIS substations up to 420kV.
• Produce and review primary layouts, including structure designs and grounding systems.
• Participate in project safety reviews and ensure designs meet safety and regulatory standards.
• Interface with internal teams and external suppliers, including protection and control (P&C) vendors.
• Collaborate with multidisciplinary teams (civil, secondary, protection) to ensure cohesive project delivery.
• Validate back-office designs and ensure alignment with project specifications.
• Support BIM workflows and contribute to digital design integration.

Required Skills & Experience

• Proven experience in high-voltage substation design (AIS/GIS up to 420kV).
• Proficiency in CAD tools such as AutoCAD, Revit, or equivalent.
• Strong understanding of IEC standards and other international codes.
• Solid knowledge of grounding systems, busbar configurations, and layout optimization.
• Demonstrated experience with BIM in substation design workflows.
• Effective communicator and team collaborator across engineering disciplines.

Qualifications

• Degree in Electrical Engineering or a related field.
• In-depth knowledge of National Grid specifications.
• Familiarity with protection relays from GE, Siemens, and Hitachi.
• TP141 certification is advantageous.
• HVDC experience is a plus.

Note: This role description previously included an external document notice about Key Information Documents. If you are successful in finding you an assignment, you will receive a Key Information Document specific to the vendor setup you have chosen.