Lunar Energy · 15 hours ago
Power Electronics Engineer
Mountain View, CA
Full-time
Onsite
Mid, Senior Level
$125K/yr - $165K/yr
5+ years expLunar Energy was founded to transition homes to 100% clean energy. The Power Electronics Engineer will be responsible for designing power electronic systems, collaborating across functions, and owning the power conversion system from specification through manufacturing.
Clean EnergyCleanTechElectrical DistributionEnergy ManagementRenewable Energy
Responsibilities
Create the best possible products by contributing to product level features, design, and vision by leveraging your experience and creativity
Detailed design of power electronic systems from 10W – 10kW, DC/DC converters, offline isolated power supplies, and inverters including the selection of topology, semiconductors, magnetics design, schematic design and layout, EMC and design of various safety aspects
Collaborate to create efficient verification and validation test plans for the individual components as well as the complete system
Bring up and testing of systems to validate functionality, optimize performance, and evaluate critical characteristics
Work across functions such as mechanical, thermal, reliability, and firmware engineering to optimize the product
Start-to-finish ownership of the power conversion system from specification through design, prototype, validation and manufacturing
Qualification
Required
Minimum B.S. in Electrical Engineering with 5 years' experience in power electronics design
Detailed understanding of active and passive component losses in power conversion and the various means to reduce/mitigate those losses
Experience of designing high efficiency and high density power converters with wide bandgap devices
Familiarity with various topologies (two-level, multilevel, soft switching, etc.) and ability to analyze, select, and design topologies best suited for a given application
Knowledge of sensor design to measure converter parameters in real time in a noisy environment
Familiarity with magnetics design and specification, applications of various core materials for both power and filtering, knowledge of winding structure and optimization, and insulation strategies
EMC design and optimization. Understanding of EMC theory applied to both PCB layout as well as filter designs
Ability to design schematics and conduct layout design or review as it applies to power conversion
Strong lab skills with working knowledge of the tools and techniques for power conversion test and analysis (e.g., use of oscilloscopes, impedance analyzers, sources, and loads in an environment with both high voltages and currents, and high common-mode and differential-mode noise)
Preferred
M.S. or Ph.D. degree with power electronics focus
Working with high voltage, current, and power
Ability to simulate power converter based electrical systems and familiarity with the tools thereof
Familiarity with global safety and EMC certifications and building systems to pass the relevant codes
Previous work in the solar, energy storage, or EV/ EV Charging industries
Familiarity with embedded control and application and programming of microcontrollers
Understanding of mechanical and thermal considerations
Benefits
Medical, dental, and vision insurance for employees and dependents
Flexible Paid Time Off plus 10 paid holidays
Tax deferred 401(k) plan
Paid parental leave for all full time employees including 12 weeks paid parental leave for the birthing mother and 6 weeks paid parental leave for the non-birthing parent
Subsidized EV charging and pre-tax commuter benefits
Company
Lunar Energy
Lunar Energy powers homes around the world with endless clean energy.
201-500 employees
H1B Sponsorship
Lunar Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (11)
2023 (12)
2022 (12)
2021 (3)
Funding
Current Stage
Growth StageTotal Funding
$300M2023-11-03Series C
2022-08-24Series Unknown· $300M
Leadership Team
Kunal Girotra
Founder & CEO at Lunar Energy
Recent News
2025-09-09
citybiz
2025-06-12
Company data provided by crunchbase