12+ years experience in power electronics with a focus on complex problem-solving
Bachelor's or Master's degree in Electrical Engineering, Physics, or related field
Hands-on experience with the design and testing of electronic systems
Strong understanding of solid-state switching technologies like IGBTs, MOSFETs, and SCRs
Technical proficiency in engineering principles and project coordination
Advanced troubleshooting skills with standard tools and PCB design software
Proficient in Microsoft Office, LTSpice, SIMetrix/SIMPLIS, Altium, and MATLAB
Responsibilities
Design and test high-voltage power systems for pulsed magnetic coils
Oversee the design, procurement, construction, and commissioning of energy systems
Develop system architectures and collaborate on technical drawings
Lead design reviews for cost-effective and scalable solutions
Support the commissioning and operational optimization of generator power systems
Apply rigorous engineering practices while managing project costs and schedules
Mentor electrical engineers and foster collaboration across cross-functional teams
Benefits
Medical, Dental, and Vision plans for employees and families
31 Days of PTO (21 vacation days; 10 sick days)
10 Paid holidays plus a company-wide winter break
Up to 5% employer 401(k) match
Short- and long-term disability insurance and life insurance
Paid parental leave (up to 16 weeks) and support
Annual wellness stipend
Full Job Description
What You Will Be Doing:
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.
You Will:
Design, test, troubleshoot, and support high-voltage power systems for pulsed magnetic coils
Oversee design, procurement, construction, and commissioning of systems delivering
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
Required Skills:
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
#LI-Onsite #LI-KL1
Benefits
Our total compensation package includes benefits, including but not limited to:
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
About Helion Energy
Helion Energy, Inc. is an American fusion research company, located in Everett, Washington. They are developing a magneto-inertial fusion technology to produce helium-3 and fusion power via aneutronic fusion.
