Primary Design Engineer

Primary Design Engineer – High Voltage Renewables

Contract Type:
Permanent | Full-time

We are seeking an experienced Primary Design Engineer to join our High‑Voltage Renewables Engineering Team at Mitie Projects. This critical role ensures the safe, reliable and efficient operation of electrical networks through high‑quality substation layouts and earthing design
.

• Primary Design Engineering for HV/EHV AC substations (11kV–132kV), including AIS and GIS.
• Produce electrical layouts for substations, cable routes, LV systems, switch rooms and control rooms.
• Design and analyse earthing systems for substations, renewable energy sites (solar, wind, battery) and grid connections – with support from the earthing engineer.
• Perform soil resistivity testing, EPR studies, touch/step voltage assessments and lightning risk assessments.
• Develop technical specifications for major electrical plant and ensure compliance with British and International Standards
  .
• Interface with multidisciplinary teams (structural, planning, CAD) and manage external design suppliers.
• Ensure compliance with CDM Regulations 2015
  , embed safety and sustainability by design.
• Mentor junior engineers and contribute to team development.
• Degree/HND/HNC in Electrical Engineering (Power Systems preferred).
• Proven experience in primary electrical design for HV/EHV substations and BoP projects.
• Strong knowledge of industry standards: BS7671, ENATS, NGTS, BS EN 61936‑1, BS7354, etc.
• Familiarity with G81 standards and DNO‑approved equipment registers.
• Ability to manage complex design interfaces and produce accurate technical documentation.
• Proficiency in busbar calculations, earthing layouts and risk assessments.
• Working knowledge of CDM Regulations and designer responsibilities.
• Desirable:
  
  Experience with
  3D CAD tools (e.g. Revit) and earthing modelling software (CDEGS).

• Work on cutting‑edge renewable energy projects.
• Collaborate with a highly skilled engineering team.
• Opportunity to lead technical design and mentor future talent.

Interested? Apply now to be part of a team driving innovation in high‑voltage renewable energy solutions.