Senior Power Electronics Engineer

Job Summary
We are looking for a highly motivated and experienced Senior Power Electronics Engineer to design, development, and validation of high-efficiency power electronics systems. The ideal candidate will have deep ability in AC-to-DC power conversion and to be experienced with renewable energy technologies, specifically including solar inverters, Battery Management Systems (BMS), or Battery Power Storage Systems. This role is focusing on our next-generation power solutions for energy storage applications.
Essential Duties And Responsibilities

• Power Electronics Design: Familiar with full design cycle of power conversion stages, with a strong emphasis on high-power, high-efficiency AC-to-DC rectifiers/converters for integration into BESS. Experienced in gate driver design, protection circuits including Over-Current Protection (OCP) and Over-Voltage Protection (OVP), thermal management, EMI/EMC considerations, and robust control strategies to ensure reliability and safety.
• Safety Standards: Familiar with safety standards such as UL 1741, IEEE, and IEC, and experienced in PCB design ensuring proper clearance and creepage for compliance and reliability.
• Component Selection: Specify and evaluate critical power components, including power semiconductors (e.g., SiC/GaN), magnetics (e.g., inductors, transformers), and passive components.
• BMS and BESS Integration: Collaborated closely with battery and firmware teams to ensure seamless electrical and communication interfaces between the power conversion system and energy storage components. Experienced in designing and implementing pre-charge circuits, contactors, and relays for safe and reliable operation.
• Simulation & Analysis: Conduct detailed electricals simulations (e.g., using MATLAB/PSIM) for circuit behavior, worst-case analysis, transient response, and thermal performance.
• PCB Design Guidance: Provide expert guidance on high-power PCB layouts, focusing on creepage/clearance, thermal management, signal integrity, and EMI/EMC mitigation.
• Testing and Validation: Develop and execute comprehensive test plans for hardware validation, including EVT/DVT, system integration, and performance testing in a high-power lab environment. Skilled in setting up and conducting high-power tests, double-pulse testing, and safety compliance tests to ensure reliability and design integrity.
  

Job Qualifications
KNOWLEDGE REQUIREMENTS
Technical Knowledge & Skills

• Core Expertise: Proven, in-depth experience in the design, magnetics, and control of AC-to-DC power converters (e.g., PFC rectifiers, isolated/non-isolated topologies).
• Analytical Skills: Strong ability to perform circuit analysis, troubleshoot complex power system issues, and conduct root cause analysis.
• Tools Proficiency: Hands-on ability with schematic capture tools (e.g., Altium Designer), simulation tools (as mentioned above), and lab equipment (oscilloscopes, power analyzers, electronic loads, etc.).
• Design Quality: Knowledge and experienced of Design review processes, DFMEA, product life management process and defect analysis/tracking.
• Testing & Reporting: Hands-on experience in testing and debugging hardware; ability to prepare clear and comprehensive reports.
• Global Collaboration: Strong ability to clearly summarize status and issues, ensuring effective communication and efficient cross-functional collaboration across worldwide teams.
  

Non-technical Knowledge & Skills

• Influence others and share best practices
• Effectively communicate with good understanding of English.
• Work as part of a global team
• Lead others in some aspects of technical tasks
• Assess a project and articulating risk while developing project milestones.
• Develop projects in a stage-gate process (PLCQ)
• Mentor less experienced engineers.
• Participates in cross-functional design reviews and can lead some aspects of EE design reviews.
  

Education & Experience Requirements

• Education: Bachelor's degree in Electricas Engineering, Power Electronics, or a related field. A Master's degree is a plus.
• Experience: 5 to 10 years of hands-on experience in power electronics hardware design.
• Or an equivalent combination of education, training or experience.
  

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