Senior Power Electronics Engineer

About the Company

Helion is 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. Since 2013, Helion has raised $1.5 billion to propel its mission forward, including the development of the Polaris prototype.

Responsibilities

• Design, test, and troubleshoot high-voltage power systems that drive pulsed magnetic coils
• Oversee procurement, construction, and commissioning of electrical systems delivering <1 ms pulses at up to 5 MA and 40 kV
• Develop system architecture and collaborate on schematics and installation drawings
• Lead design reviews, validating cost-effective, scalable, and reliable solutions
• Support generator commissioning and operations with an eye toward improving future builds
• Own engineering rigor including cost, schedule, and resource estimates
• Mentor teammates and contribute to technical growth across electrical and cross-functional engineering teams

Requirements

• 8+ years experience in power electronics
• Bachelor’s or Master’s degree in Electrical Engineering, Physics, or related field
• Proven experience designing, fabricating, installing, and testing electronic systems
• Strong working knowledge of power switching components (IGBTs, MOSFETs, SCRs)
• Advanced troubleshooting skills using oscilloscopes, pulse generators, spectrum analyzers, and electronic loads
• Proficiency in LTSpice, SIMetrix/SIMPLIS, Altium, MATLAB, and Microsoft Office

Benefits

• Medical, Dental, and Vision plans
• 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 (up to 16 weeks)
• Annual wellness stipend