High Voltage Hardware Design Expert

Originating from Vietnam, VinFast is committed to the vision of becoming a global smart EV brand. VinFast has laid the foundation for the electric car and motorbike industry in Vietnam while passionately promoting the worldwide EV revolution.

With its Customer-First philosophy, VinFast relentlessly innovates and converges intellectual fundamentals in creating best-in-class products with the most affordable prices and outstanding after-sales services. In addition, VinFast provides everybody with the opportunity to use smart EVs while contributing to the creation of a smart, green, and sustainable future.

Position Summary

Key Responsibilities

1. High-Voltage Hardware Design

• Lead the design and architecture of high-voltage power electronics hardware for e-motor drive systems (400V–800V+ EV platforms).
  

• Design and optimize circuits such as:
  

  • Inverter power stage (IGBT/SiC MOSFET)
    

  • Gate driver circuitry
    

  • DC-link capacitor and busbar layout
    

  • Current/voltage sensing circuits
    

  • HV contactors, pre-charge, discharge path
    

  • EMI/EMC filtering, protection circuits (OCP, OVP, OTP)
    

• Ensure compliance with derating guidelines for HV components (semiconductors, capacitors, inductors, connectors, insulation components).
  

2. Component Selection & Technical Validation

• Select semiconductor devices, gate drivers, PCB materials, HV connectors and insulation components.
  

• Analyse power losses, switching behavior, thermal derating, and performance under automotive environments.
  

• Support thermal design, cooling strategies, and packaging for power modules.
  

3. Simulation & Analysis

• Perform circuit simulation and system modeling using tools such as:
  

  • SPICE, LTspice, PLECS, PSIM, Simulink.
    

• Conduct worst-case analysis, derating analysis, fault modeling, and transient behavior studies.
  

• Support FEA thermal/electrical analysis with CAE teams.
  

4. Prototyping, Testing & Validation

• Lead prototype build, bring-up, and debugging of high-voltage hardware.
  

• Define and execute DV/PV test plans for inverter and e-motor hardware.
  

• Support testing in HV labs for switching performance, efficiency mapping, isolation testing, EMC, and environmental validation.
  

• Analyze failures (root cause analysis) and implement corrective actions.
  

5. Standards, Safety & Compliance

• Ensure hardware meets relevant automotive standards:
  

  • ISO 26262 (functional safety)
    

  • ISO 21448 (SOTIF – where applicable)
    

  • LV123 / LV148 / ECE R100 for HV systems
    

  • EMC requirements per CISPR 25, ISO 7637, ISO 11452
    

• Participate in FMEA/DFMEA, safety goals allocation, and hardware safety mechanism definition.
  

6. Collaboration & Technical Leadership

• Work closely with cross-functional teams (E-Motor, Power Electronics, Mechanical, Thermal, Software, Control).
  

• Guide junior engineers on HV hardware design.
  

• Collaborate with suppliers and evaluate their technical proposals and component capabilities.
  

• Provide design reviews, documentation, and technical reports.
  

Requirements

Required

• Bachelor’s or Master’s degree in Electrical Engineering, Power Electronics, Mechatronics, or related fields.
  

• 7+ years of experience designing high-voltage power electronics hardware for automotive or industrial e-motor drives.
  

• Deep knowledge of:
  

  • Power semiconductors (IGBT, SiC MOSFET)
    

  • HV insulation design and creepage/clearance rules
    

  • Switching power converters
    

  • Gate driver design
    

  • EMI/EMC mitigation techniques
    

• Strong hands-on experience in schematic design, PCB layout for HV systems, and prototype debugging.
  

• Familiarity with automotive communication and diagnostic requirements (CAN, LIN).
  

• Strong understanding of safety standards and HV hazard mitigation.
  

Preferred

• Experience with 800V SiC-based EV inverter development.
  

• Experience working in OEM/Tier-1 environment.
  

• Proficiency with simulation tools (PLECS/PSIM) and analysis tools (Altium, Cadence, Mentor).
  

• Experience with hardware-software integration, motor control systems, or inverter control algorithms.
  

• Knowledge of ASIL-C/D designs.
  

Benefits

• Competitive salary
  
• Premium healthcare package, including PVI insurance & annual health check-ups
  
• 13th-month salary & performance bonuses to reward your contributions
  
• Enjoy preferential pricing for services within the Vingroup ecosystem including Vinmec, Vinpearl, and Vinschool...
  
• Opportunity to collaborate with and learn from industry-leading professionals in the automotive domain