Principal Power Electronics Engineer

Helion Energy • Everett, WA

3d • Onsite

About The Position

We are hiring a Principal Power Electronics Engineer to support the core energy management systems that power Helion’s fusion generators. Your work will focus on high-power electrical systems including energy delivery to pulsed magnetics, energy recovery systems, internal redistribution networks, and grid-tie infrastructure. You will design, commission, and optimize systems that are foundational to delivering clean, low-cost electricity to the world. This is an onsite role that reports directly to Manager of Electrical Engineering at our Everett, WA office.

Requirements

• 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

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

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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 251-500 employees