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Henpen Corporation
Senior Power Electronics Engineer – High Power AC/DC (kW–MW) | PhD Required | Fremont, CAHenpen Corporation • Fremont, CA, USA
Senior Power Electronics Engineer – High Power AC/DC (kW–MW) | PhD Required | Fremont, CA

Senior Power Electronics Engineer – High Power AC/DC (kW–MW) | PhD Required | Fremont, CA

Henpen Corporation • Fremont, CA, USA
13 days ago
Job type
  • Full-time
Job description

Senior Power Electronics Engineer – High Power AC/DC (kW–MW) | PhD Required | Fremont, CA Fremont | H-1B Transfer & TN Visa Supported

Location: Fremont (On-site only)
Employment Type: Full-time
Team: Advanced Development / Platform R&D (High Power)

Role Summary

We are hiring a Power Electronics Engineer to support advanced development and platform-level R&D for high-power AC/DC power conversion systems spanning single-phase and three-phase solutions from several kW up to MW-class.

This role is based onsite in Fremont and includes frequent interaction with U.S. customers to understand application needs, support technical evaluations, and provide engineering input to R&D priorities. You will also support complex customer escalations requiring design-level troubleshooting beyond standard Field Application Engineering (FAE) processes.

Note: This role is focused on R&D, prototyping, and reference design work. It does not include production ramp, manufacturing support, or sustaining engineering.

What You’ll Do (Responsibilities)

Prototype & Advanced Development (No Production Ownership)

  • Support development of high-power AC/DC prototypes and reference designs (single-phase and three-phase; kW to MW) through circuit evaluation, lab testing, and iterative improvements
  • Execute technical investigations including topology comparisons, efficiency optimization, protection methods, and thermal/EMI mitigation
  • Perform hands-on bring-up, characterization, and debugging using lab equipment (oscilloscopes, power analyzers, electronic loads, etc.)
  • Analyze test data, document findings, and implement design adjustments to meet performance targets

Customer Engagement & Technical Support (U.S.-based customers)

  • Participate in technical discussions to understand customer requirements and constraints
  • Communicate trade-offs and recommend engineering solutions clearly
  • Support customer evaluations with test data, design insights, and technical follow-up
  • Translate customer feedback into actionable engineering tasks

Escalation Support (Beyond FAE)

  • Lead structured debug efforts for complex or ambiguous technical issues
  • Perform root cause analysis and hypothesis-driven troubleshooting
  • Collaborate with global R&D teams to develop containment and resolution strategies

Global Collaboration

  • Work with global engineering teams to share results and standardize best practices
  • Produce high-quality engineering documentation including test plans, reports, and design recommendations

Minimum Qualifications (NON-NEGOTIABLE)

  • Ph.D. in Electrical Engineering, Power Electronics, Power Conversion, or closely related field (REQUIRED)
  • Strong foundation in power electronics with hands-on lab experience
  • Experience designing, testing, or debugging high-power converters (AC/DC, DC/DC, inverters, rectifiers)
  • Ability to engage in technical discussions with customers
  • Self-motivated, collaborative, and able to work across global teams

Preferred Qualifications (Nice to Have)

  • Experience in high-power applications (renewables, EV charging, UPS, industrial power systems, PCS)
  • Familiarity with IGBT, MOSFET, SiC, or GaN technologies
  • Understanding of EMI/EMC mitigation in high-power systems
  • Experience with simulation tools (SPICE, MATLAB/Simulink, PLECS)
  • DSP/MCU-based digital control experience

Work Environment

  • On-site in Fremont with hands-on lab work
  • Frequent collaboration with U.S.-based customers
  • Occasional travel may be required

Work Authorization / Sponsorship (GLOBAL CANDIDATES ENCOURAGED)

  • U.S. Citizens and Green Card holders are encouraged to apply
  • H-1B visa transfer candidates are supported
  • TN visa candidates (Canada/Mexico) are supported
  • Candidates currently authorized to work in the U.S. (including OPT/STEM OPT) are encouraged to apply
  • New H-1B sponsorship is not available at this time

Equal Opportunity Employer

We are an Equal Opportunity Employer and value diversity at our company.

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Senior Power Electronics Engineer – High Power AC/DC (kW–MW) | PhD Required | Fremont, CA • Fremont, CA, USA

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