Principal Power Electronics Engineer

Overview

Design and lead high‑power electronics for fusion generator systems.

Key Responsibilities

• team mentoring
• commissioning support
• high-voltage design
• design reviews
• system architecture
• schematics drawings

Tasks

-Mentor electrical engineers and collaborate with cross-functional teams to build technical capability across Helion -Support commissioning and lifetime operation of generator power systems, identifying paths to optimize future builds -Design, test, troubleshoot, and support high-voltage power systems for pulsed magnetic coils -Lead design reviews to validate cost-effective, scalable, and reliable solutions -Apply rigorous engineering practices, including ownership of cost, schedule, and resource planning for assigned projects -Develop system architectures and collaborate with designers on schematics and installation drawings

Requirements

• igbts
• mosfets
• power electronics
• ltspice
• altium
• ee degree

What You Bring

-Strong knowledge of solid-state switching technologies and power components such as IGBTs, MOSFETs, and SCRs -12+ years experience in power electronics, solving complex electrical engineering problems from design to delivery -Proficiency with tools such as Microsoft Office, LTSpice, SIMetrix/SIMPLIS, Altium, and MATLAB -Hands-on experience designing, fabricating, installing, and testing electronic systems -Advanced troubleshooting skills with standard benchtop tools (oscilloscopes, E-loads, pulse generators, spectrum analyzers) and PCB design software -Technical depth in engineering principles, codes, and practices with experience coordinating deliverables to meet milestones -Bachelor’s or Master’s degree in Electrical Engineering, Physics, or a related field

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Benefits

-Annual wellness stipend -Short term disability, long term disability, and life insurance -Medical, Dental, and Vision plans for employees and their families -10 Paid holidays, plus company-wide winter break -31 Days of PTO (21 vacation days and 10 sick days) -Paid parental leave and support (up to 16 weeks) -Up to 5% employer 401(k) match

About Helion

-Pursues a bold vision: taming the power of stars on Earth through fusion energy. -Develops magneto-inertial fusion technology, merging plasma at extreme speeds and capturing energy directly. -Pioneers in aneutronic fusion, recycling byproducts to generate helium-3, a sustainable fuel source. -Shifts from lab-scale to industrial-scale fusion with the Polaris device, supported by legal agreements. -Aims for rapid iteration with reactor designs capable of one pulse per second, enabling modular fusion systems.

Sector Specialisms