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Principal electric machine design engineer

Sunbury-on-Thames
AMETEK
Design engineer
Posted: 27 March
Offer description

Key Responsibilities:

1. Lead the design and optimization of electric machines (motors and generators), considering electromagnetic, mechanical, and thermal aspects.
2. Perform detailed analysis using simulation tools such as ANSYS MotorCAD, ANSYS Maxwell, and some understanding of FEA-based mechanical/CFD tools.
3. Generate analytical models and calculations to verify sizing, performance, losses, efficiency, and NVH characteristics.
4. Support proposal writing as part of technical work package management from concept to production, ensuring compliance with functional, safety, and regulatory requirements.
5. Interpret customer specifications and translate them into robust machine topologies and design concepts.
6. Lead or contribute significantly to DFMEA activities and ensure design robustness and risk mitigation.
7. Support manufacturing teams on the shop floor to support winding, lamination inspection, assembly processes, and prototype builds as needed.
8. Support validation and qualification testing, including electrical, mechanical, and thermal performance tests.
9. Produce high quality engineering reports, design documentation, DFMEA artefacts, test plans, and technical presentations. -quality engineering reports, design documentation, DFMEA artefacts, test plans, and technical presentations.
10. Prepare and review 2D/3D CAD models, detailed drawings, and BOMs where required.
11. Support creation of verification and validation evidence for design reviews for customer projects.

Skills and Experience:

Essential

12. Bachelor’s or Master’s degree in Electrical Engineering, Mechanical Engineering, or related discipline.
13. Proven experience in electric machine design (e.g., PMM, BLDC, BLAC, RFM, AFM).
14. Strong understanding of electromagnetic theory, machine topology selection, magnetic materials, thermal management, and structural considerations.
15. Proficiency with MotorCAD, ANSYS Maxwell
16. Demonstrated experience in DFMEA, failure analysis, technical risk management, and structured problem-solving methodologies.
17. Hands-on mindset with the ability to work directly with prototype hardware and manufacturing teams.
18. Ability to interpret technical requirements and create coherent machine-level design solutions.
19. Excellent communication, documentation, and teamwork capabilities.

Desirable

20. Experience within aerospace, defence, automotive electrification, or high-reliability industries.
21. Proficiency with mechanical FEA, and preferably Structural, Thermal and CFD tools.
22. Knowledge of NVH, thermal systems, or advanced materials.
23. Familiarity with design-for-manufacture and production processes.
24. Background in scripting languages and AI.

General Requirements

25. Ability to work within company processes, configuration control, and quality systems.
26. Strong organisational skills and the ability to manage multiple priorities in parallel.
27. Positive, proactive attitude and willingness to operate as a part of a global team

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