Principal Mechanical Design Engineer - Electric Motors

Company:  Marcus Webb Associates Limited
Location: Hethel
Closing Date: 06/07/2026
Salary: £60,000 - £75,000 Per Annum
Hours: Full Time
Type: Permanent

Job Description

Principal Mechanical Design Engineer - Electric Motors
Norwich area, Norfolk
£60-75k (flexible) + benefits

This role requires solid experience with the mechanical design of electric motors.
As principal mechanical design engineer you will:
  • Lead the mechanical design of high voltage electric motors for automotive applications
  • Be responsible for thermal performance and physical integration of the motors
  • Support the delivery of motors into production (DFM / DFA)
The company is involved with the design of HV electric motor drive systems for automotive applications. They require an experience mechanical design engineer with strong hands-on design capabilities to enable the delivery of electric motors from concept to series production.

Skills / Knowledge Required: Principal Mechanical Design Engineer Electric Motors
  • A degree or higher in a relevant field (e.g. mechanical engineering, automotive engineering)
  • At least 5-6 years of relevant design experience aligned to electric motors / electric machines
  • Capable with employing thermal management strategies (e.g. air or liquid cooling of motors)
  • Experience of taking electric motor designs through to validated prototype stage or ideally into manufacture
  • Good experience with DFM / DFA for complex electromechanical devices (e.g. motors)
  • Excellent problem solving and failure analysis skills (e.g. FMEA)
  • Able to work effectively in a small team environment
Other experience (beneficial)
  • Experience of devising test and validation processes for electric machines or similar
  • Experience of prototype build and test would be very useful
  • Ability to travel to meet customer needs would be advantageous
You will join a business that values technical excellence and gives engineers the freedom to make a real impact. This is a great opportunity to develop innovative, production-ready electric motors for a variety of customers across multiple electric vehicle applications (e.g. 2 and 3 wheeled automotive EVs, off-highway vehicles, etc.)

This Principal Mechanical Design Engineer role is commutable from Norwich, Thetford, King s Lynn, Bury St Edmunds, Great Yarmouth, and Lowestoft (under an hour). Hybrid work is possible
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Marcus Webb Associates Limited
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