Senior Power Electronics Engineer SST GaN High-Density

Enphase Energy; Petaluma (CA); On-site; USD 105,000 - 162,000; Full time

Job summary

Enphase Energy, a global energy tech company, is seeking a senior power electronics engineer for the Solid-State Transformer (SST) platform in Petaluma, CA. You will design high-density power modules, evaluate GaN devices, and collaborate with mechanical and controls teams to optimize packaging, cooling, and performance.

The role requires deep experience in electronics hardware design, modeling-to-prototype translation, and leadership across a multidisciplinary team.

Qualifications

• B.S., M.S., or Ph.D. in Electrical Engineering or closely related field.
• Typically 6+ years of electronics hardware/system design experience.
• Hands-on experience in full cycle of schematic capture, layout, and testing of power electronics.
• Proficiency with ECAD tools such as OrCAD, KiCad, or Altium.
• Experience co-designing with mechanical/thermal teams and familiarity with CAD tools.
• Ability to lead technical execution with autonomy and mentor others.

Responsibilities

• Design and develop power conversion circuits and magnetics for SST platform, optimizing power density and efficiency.
• Evaluate and integrate GaN devices and planar magnetics to increase throughput and reduce footprint.
• Translate modeling results to benchtop prototypes and reconcile theory with measurements.
• Drive design trade-offs across density, efficiency, thermal management, and cost per watt.
• Co-design with mechanical and thermal engineers to optimize packaging and cooling.
• Lead root-cause analysis and design iteration based on test data to improve density and reliability.

Skills

Electrical engineering

Mentoring engineers

Technical leadership

Testing and validation

Schematic capture/PCB layout

Education

B.S. in Electrical Engineering

M.S. in Electrical Engineering

Ph.D. in Electrical Engineering

Tools

OrCAD

KiCad

Altium

SolidWorks

Fusion 360

Job description

Enphase Energy, a global energy tech company, is seeking a senior power electronics engineer for the Solid-State Transformer (SST) platform in Petaluma, CA. You will design high-density power modules, evaluate GaN devices, and collaborate with mechanical and controls teams to optimize packaging, cooling, and performance.

The role requires deep experience in electronics hardware design, modeling-to-prototype translation, and leadership across a multidisciplinary team.