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Power Electronics Application Engineer

Phihong
Fremont, USA
Full-time
Mid · 5+ years experience
Onsite
Discovered 4 days ago
matlab

Full Job Posting

Key Responsibilities

  • Customer Technical Support
  • Provide pre-sales and post-sales technical support for power supply and power conversion products.
  • Analyze customer requirements and recommend appropriate power solutions.
  • Assist customers with product selection, system integration, and design optimization.
  • Support customer qualification testing and resolve field application issues.
  • Application Development
  • Develop reference designs, evaluation platforms, and application notes.
  • Create and validate customer-specific solutions using AC-DC, DC-DC, PoE, battery charging, and power management technologies.
  • Perform circuit simulation, characterization, and performance verification.
  • Generate test reports and technical documentation.
  • Product Validation & Troubleshooting
  • Conduct electrical, thermal, EMC/EMI, reliability, and performance testing.
  • Debug hardware and system-level issues.
  • Support root-cause analysis of customer returns and field failures.
  • Work closely with design engineering teams to implement corrective actions.
  • Technical Sales Support
  • Deliver customer presentations, product demonstrations, and technical training.
  • Participate in customer design reviews and engineering discussions.
  • Support RFI, RFQ, and technical compliance activities.
  • Assist in developing competitive product comparisons and positioning.
  • Cross-Functional Collaboration
  • Work with design, quality, manufacturing, and product management teams.
  • Provide feedback on customer requirements for future product development.
  • Support new product introduction (NPI) activities.
  • Help define specifications for next-generation power products.

Required Qualifications

  • Education
  • Bachelor's degree in Electrical Engineering.
  • Master's degree in Power Electronics preferred.
  • 5+ years of experience in power electronics, power supply design, applications engineering, or related field.
  • AC-DC power supplies
  • DC-DC converters
  • Flyback, Forward, LLC, Half-Bridge, Full-Bridge topologies
  • Power Factor Correction (PFC)
  • PoE (IEEE 802.3af/at/bt)
  • Battery charging systems
  • Si, SiC, and GaN power devices
  • Thermal design and management
  • EMC/EMI compliance
  • Oscilloscopes
  • Power analyzers
  • Electronic loads
  • Network analyzers
  • Spectrum analyzers
  • Thermal test equipment
  • LTspice
  • PSpice
  • MATLAB/Simulink
  • Power electronics simulation tools

Experience

  • Experience supporting customers in a technical role preferred.

Technical Skills

  • Strong understanding of:
  • AC-DC power supplies
  • DC-DC converters
  • Flyback, Forward, LLC, Half-Bridge, Full-Bridge topologies
  • Power Factor Correction (PFC)
  • PoE (IEEE 802.3af/at/bt)
  • Battery charging systems
  • Si, SiC, and GaN power devices
  • Thermal design and management
  • EMC/EMI compliance
  • Proficiency with:
  • Oscilloscopes
  • Power analyzers
  • Electronic loads
  • Network analyzers
  • Spectrum analyzers
  • Thermal test equipment
  • Experience using:
  • LTspice
  • PSpice
  • MATLAB/Simulink
  • Power electronics simulation tools

Desired Qualifications

  • Experience with PoE systems and Ethernet power delivery.
  • Familiarity with UL, IEC, FCC, CE, and Energy Efficiency standards.
  • Knowledge of digital power control techniques.
  • Experience supporting global customers and manufacturing teams.
  • Understanding of reliability analysis, MTBF calculations, and design verification methods.
  • Key Competencies
  • Strong analytical and troubleshooting skills
  • Excellent customer communication skills
  • Technical presentation capability
  • Project management and organizational skills
  • Ability to work independently
  • Team-oriented and collaborative mindset
  • Willingness to travel as required
  • Master's degree in Power Electronics preferred.
  • Experience supporting customers in a technical role preferred.
  • Medical, dental, and vision insurance
  • 401(k) retirement plan with company contribution
  • Paid vacation and holidays
  • Professional development and training opportunities
  • Employee assistance programs
  • Flexible work arrangements where applicable
  • Equal Opportunity Employer
  • We are an Equal Opportunity Employer committed to creating an inclusive workplace where all employees are treated with dignity and respect. Employment decisions are based on qualifications, merit, business needs, and job-related criteria.
  • We provide equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, marital status, genetic information, or any other status protected by applicable federal, state, or local laws.
  • We are committed to fostering a diverse workforce and encourage qualified candidates from all backgrounds to apply

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