Helion · 1 day ago
Principal Power Electronics Engineer
Helion is a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant. They are seeking a Principal Power Electronics Engineer to support the core energy management systems that power Helion’s fusion generators, focusing on high-power electrical systems and optimizing energy delivery.
EnergyEnvironmental EngineeringRenewable Energy
Responsibilities
Design, test, troubleshoot, and support high-voltage power systems for pulsed magnetic coils
Oversee design, procurement, construction, and commissioning of systems delivering <1 ms pulses up to 5 MA and 40 kV
Develop system architectures and collaborate with designers on schematics and installation drawings
Lead design reviews to validate cost-effective, scalable, and reliable solutions
Support commissioning and lifetime operation of generator power systems, identifying paths to optimize future builds
Apply rigorous engineering practices, including ownership of cost, schedule, and resource planning for assigned projects
Mentor electrical engineers and collaborate with cross-functional teams to build technical capability across Helion
Qualification
Required
12+ years experience in power electronics, solving complex electrical engineering problems from design to delivery
Bachelor's or Master's degree in Electrical Engineering, Physics, or a related field
Hands-on experience designing, fabricating, installing, and testing electronic systems
Strong knowledge of solid-state switching technologies and power components such as IGBTs, MOSFETs, and SCRs
Technical depth in engineering principles, codes, and practices with experience coordinating deliverables to meet milestones
Advanced troubleshooting skills with standard benchtop tools (oscilloscopes, E-loads, pulse generators, spectrum analyzers) and PCB design software
Proficiency with tools such as Microsoft Office, LTSpice, SIMetrix/SIMPLIS, Altium, and MATLAB
Benefits
Medical, Dental, and Vision plans for employees and their families
31 Days of PTO (21 vacation days and 10 sick days)
10 Paid holidays, plus company-wide winter break
Up to 5% employer 401(k) match
Short term disability, long term disability, and life insurance
Paid parental leave and support (up to 16 weeks)
Annual wellness stipend
Company
Helion
We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity.
H1B Sponsorship
Helion 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
2024 (1)
2023 (2)
2022 (1)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$1.04BKey Investors
Nucor CorporationSam AltmanDustin Moskovitz
2025-01-28Series F· $425M
2023-09-27Corporate Round· $35M
2021-11-05Series E· $500M
Recent News
2025-12-24
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