Primary Design Engineer

4 days ago


Olney, Milton Keynes, United Kingdom Mitie Projects Full time

Primary Design Engineer – High Voltage Renewables

Location:
Hybrid / Olney, Milton Keynes

Contract Type:
Permanent | Full-time

Salary:
Competitive remuneration + benefits

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

Key Responsibilities

  • Primary Design Engineering
    for HV/EHV AC substations (11kV–132kV), including AIS and GIS.
  • Produce electrical layouts for substations, cable routes, LV systems, switchrooms, and control rooms.
  • Design and analysis of
    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.

Essential Requirements

  • 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 , 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).

Why Join Us?

  • 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.



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