HV Substation Design Engineer – Primary (Hybrid)

Mitie Group plc.; Greater London; Remote; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Hybrid/remote-friendly roles

Career development

Job summary

Mitie Group plc. is seeking an experienced Primary Design Engineer to support the delivery of high-voltage renewable projects by producing high-quality primary electrical designs that meet stringent technical, safety and regulatory standards.

This home-based role involves project travel across the UK, with occasional visits to client sites when in the vicinity, offering exposure to major HV infrastructure across multiple regions.

Qualifications

• HV/EHV primary design experience for substations (11kV–132kV) and balance of plant.
• Strong knowledge of BS7671, ENATS, NGTS, BS EN 61936-1 and BS7354.
• Experience in consultancy, contractor or utility environments.

Responsibilities

• Produce primary electrical designs for substations up to 132kV, including AIS and GIS layouts, cable routes and earthing systems.
• Ensure all designs comply with relevant standards, DNO requirements and contractual obligations.
• Design and analyse earthing systems for substations and grid connection projects, including soil resistivity testing.
• Prepare technical documentation including drawings, calculations, reports and major plant specifications.
• Coordinate external design suppliers and collaborate with structural, planning and CAD teams.

Skills

Primary design

HV/EHV design

Electrical standards

Substation design

Project coordination

Education

Electrical Engineering degree

HND/HNC acceptable

Job description

Mitie Group plc. is seeking an experienced Primary Design Engineer to support the delivery of high-voltage renewable projects by producing high-quality primary electrical designs that meet stringent technical, safety and regulatory standards.

This home-based role involves project travel across the UK, with occasional visits to client sites when in the vicinity, offering exposure to major HV infrastructure across multiple regions.