Peak Energy · 4 months ago
Power Electronics Lead
Burlingame, California
Full-time
Onsite
Senior Level, Lead/Staff
$185K/yr - $250K/yr
8+ years expPeak Energy is pioneering Sodium-Ion battery systems for renewable energy storage. The Power Electronics Lead will be responsible for the architecture and design of power conversion systems, ensuring high reliability and performance in energy storage products.
EnergyEnergy StorageRenewable Energy
Responsibilities
Lead the design and development of high-voltage power conversion systems within Peak’s energy storage platform—including DC/AC inverters, bidirectional DC/DC converters and protection circuitry
Define and maintain system-level electrical requirements for power stages, gate drives, control loops, safety interfaces, and EMI/EMC performance
Select and integrate key components (e.g., IGBTs, SiC/GaN FETs, magnetics, busbars, filters) and collaborate closely with mechanical and thermal engineers to support packaging and cooling
Own system-level testing and validation—both in-lab and in-field—including HV safety, transient behavior, thermal performance, and fault response
Interface with firmware, controls, and systems teams to ensure robust hardware/software integration and safe system operation
Support regulatory certification and compliance activities (e.g., UL 1741, IEEE 1547, IEC 62109)
Act as a technical leader and mentor across the ESS team—setting high standards, reviewing designs, and driving toward first-principles, scalable solutions
Qualification
Required
8+ years of experience designing power conversion systems for energy storage, renewables, automotive, or industrial applications
Expertise in high-power and high-voltage (100kW+) converters and inverters—particularly in topologies, switching devices, protection, and control strategies
Strong working knowledge of high-voltage system design, insulation coordination, and thermal management
Skilled in simulation and design tools (e.g., SPICE, PLECS, MATLAB/Simulink, Altium) and comfortable with lab testing in HV environments
Deep understanding of compliance and grid standards including UL 1741, IEEE 1547, and IEC safety requirements
Excellent communicator and collaborator, capable of aligning with cross-functional teams and driving high-quality decisions
Bachelor's, Master's, or PhD in Electrical Engineering or a related field
Preferred
Experience with silicon carbide (SiC) module integration and design for manufacturability
Exposure to full ESS architecture and system integration challenges (e.g., BMS, EMS, HVDC interfacing)
Prior work in startups or early-stage product environments
Benefits
Flexible PTO
Comprehensive medical, dental, and vision coverage
Strong 401(k) plan
Equity opportunities
Company
Peak Energy
Peak Energy is a pioneering firm that is industrializing sodium-ion to expedite the shift to renewable energy.
51-200 employees
H1B Sponsorship
Peak 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 (5)
2024 (4)
Funding
Current Stage
Growth StageTotal Funding
$65MKey Investors
Xora Innovation
2024-07-17Series A· $55M
2023-10-04Seed· $10M
Leadership Team
Landon Mossburg
Founder & CEO
Recent News
2025-11-16
Energy-Storage.News
2025-11-15
Company data provided by crunchbase