High Voltage Hardware Design Expert

About us

Originating from Vietnam, Vin. Fast is committed to the vision of becoming a global smart EV brand. Vin. Fast 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, Vin. Fast relentlessly innovates and converges intellectual fundamentals in creating best-in-class products with the most affordable prices and outstanding after-sales services.

In addition, Vin. Fast provides everybody with the opportunity to use smart EVs while contributing to the creation of a smart, green, and sustainable future.

Position Summary

We are seeking a High Voltage Hardware Design Expert to lead the design, development, and validation of high-voltage hardware components for automotive e-motor systems, including inverters, power modules, gate drivers, DC-link circuits, and HV protection devices. The role focuses on delivering robust, safe, and high-efficiency hardware solutions that meet automotive standards and support next-generation EV propulsion systems.

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 Working Location: Technopark Tower, Vinhomes Ocean Park, Gia Lam, Hanoi With respect to all your personal data shared to Vin.

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