Power Electronics Engineer — High-Density Converters

Lunar Energy; California (MO); On-site; USD 125,000 - 165,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid time off

401(k) plan

Parental leave

EV charging subsidy

Job summary

Lunar Energy is hiring a senior power electronics engineer to drive the design of next-generation energy systems. You will own the development of high-efficiency power converters from concept through validation, working across mechanical, thermal, reliability, and firmware teams to deliver robust solutions.

Join a fast-growing company building clean energy products for homes and communities. Expect advanced testing, collaboration, and a path toward manufacturing scale.

Qualifications

• BS in Electrical Engineering with 5 years' experience in power electronics.
• MS or PhD in power electronics preferred.
• Understand losses in power conversion and mitigation.
• Design high-efficiency, high-density power converters.
• Familiarity with various topologies and selection for applications.
• Knowledge of sensor design to measure converter parameters.
• Magnetics design and insulation strategies.
• EMC design for PCB layouts and filters.
• Ability to design schematics and layout for power conversion.
• Strong lab skills with oscilloscopes, impedance analyzers, and power supplies.

Responsibilities

• Contribute to product features, design, and vision leveraging experience and creativity.
• Detail design of power electronic systems from 10W–10kW, DC/DC converters, offline isolated supplies, and inverters including topology selection.
• Collaborate to create verification and validation test plans for components and system.
• Bring up and testing of systems to validate functionality and optimize performance.
• Work across mechanical, thermal, reliability, and firmware engineering to optimize the product.
• Own power conversion system from specification through design, prototype, validation and manufacturing.

Skills

Power electronics

High density converters

Topologies selection

EMC design

Magnetics design

Sensor design

Testing & lab skills

High voltage

Education

B.S. in Electrical Engineering

MS or Ph.D. in power electronics (preferred)

Tools

Oscilloscopes

Impedance analyzers

Power supplies

Job description

Lunar Energy is hiring a senior power electronics engineer to drive the design of next-generation energy systems. You will own the development of high-efficiency power converters from concept through validation, working across mechanical, thermal, reliability, and firmware teams to deliver robust solutions.

Join a fast-growing company building clean energy products for homes and communities. Expect advanced testing, collaboration, and a path toward manufacturing scale.