Primary Design Engineer

Primary Design Engineer Location: Hybrid role with travel across the UK Hours: Full time, 40 hours per week At Mitie, our people are our greatest strength, and our promise is to create a place to work where you can thrive and be your best every day. We're looking for an experienced Primary Design Engineer to support the delivery of high-voltage renewables projects by producing high-quality primary electrical designs that meet stringent technical, safety and regulatory standards. Role Responsibilities:

• Produce primary electrical designs for substations, including AIS and GIS layouts up to 132kV, cable routes, LV layouts, switch rooms, control rooms and earthing systems
• Ensure all designs comply with relevant British and International Standards, DNO requirements, customer specifications and contractual obligations
• Design and analyse earthing systems for substations, renewables and grid connection projects, including EPR studies, touch and step voltage assessments and soil resistivity testing
• Prepare technical documentation including drawings, calculations, reports, major plant specifications and lightning protection assessments
• Manage and coordinate external design suppliers and collaborate with structural, planning and CAD teams to deliver integrated design solutions
Required Qualifications:
• Degree, HND or HNC in Electrical Engineering (Power Systems preferred)
• Proven experience in primary electrical design for HV/EHV AC substations (11kV-132kV) and balance of plant projects
• Strong knowledge of industry standards such as BS7671, ENATS, NGTS, BS EN 61936-1 and BS7354
• Experience working within consultancy, contractor or utility environments
What we're looking for:
• A technically strong and detail-oriented primary design engineer
• Ability to manage complex technical interfaces across multiple engineering disciplines
• Strong understanding of substation layouts, earthing design and cable installation practices
• Excellent written and verbal communication skills
• Proactive, organised and able to manage multiple project priorities
What's in it for you?
• Opportunity to work on major renewable energy and grid infrastructure projects
• Career development within a specialist high-voltage engineering team
• Hybrid working with flexibility and exposure to projects across the UK
There's a place for you at Mitie - join us today.


• Degree, HND or HNC in Electrical Engineering (Power Systems preferred)
• Proven experience in primary electrical design for HV/EHV AC substations (11kV-132kV) and balance of plant projects
• Strong knowledge of industry standards such as BS7671, ENATS, NGTS, BS EN 61936-1 and BS7354
• Experience working within consultancy, contractor or utility environments, A technically strong and detail-oriented primary design engineer
• Ability to manage complex technical interfaces across multiple engineering disciplines
• Strong understanding of substation layouts, earthing design and cable installation practices
• Excellent written and verbal communication skills
• Proactive, organised and able to manage multiple project priorities
What's in it for you?
• Opportunity to work on major renewable energy and grid infrastructure projects
• Career development within a specialist high-voltage engineering team
• Hybrid working with flexibility and exposure to projects across the UK