Helion Energy

Principal Power Electronics Packaging Engineer

Helion Energy$120K — $150K *
Energy & Utilities
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Hands-on experience with power electronics packaging for high-current or high-voltage applications
  • Strong thermal engineering fundamentals; comfortable with modeling and bench validation
  • Experience with SCRs, diodes, or similar power semiconductors in demanding environments
  • Proven experience translating research into tangible hardware and products

Responsibilities

  • Lead development of next-generation thermal management and packaging architectures
  • Work across packaging geometry, materials selection, and cooling system design
  • Collaborate with internal teams and industry partners
  • Build test setups to validate thermal and electrical performance
  • Drive iterative improvements using data from testing

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
Full Job Description

What You Will Be Doing:

The switching systems in a commercial fusion generator will need to handle extreme pulsed currents in mass-manufacturable package. We are looking for someone to design what the next generation of packaging looks like, working ahead of where technology currently is and defining what it needs to become.

You Will
  • Lead development of next-generation thermal management and packaging architectures for high-current switching components
  • Work across packaging geometry, materials selection, and cooling system design to push the performance ceiling of pulsed power switch assemblies
  • Collaborate with internal teams and industry partners to accelerate development of packaging solutions
  • Build test setups to validate thermal and electrical performance under realistic pulsed conditions and use that data to drive iteration

Required Skills
  • Hands-on experience with power electronics packaging for high-current or high-voltage applications
  • Strong thermal engineering fundamentals; comfortable with modeling and bench validation
  • Experience with SCRs, diodes, or similar power semiconductors in demanding environments
  • Proven experience translating research into tangible hardware and products

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.
Learn more about Helion Energy
Industry
Founded
2013

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