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Power Electronics Engineering Intern (Spring)

H3X Technologies · Louisville, Colorado · On-site

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About H3X Technologies

Backed by Y Combinator.

About the role

Our team at H3X is hiring Power Electronics Intern. You will contribute to the design, testing, and validation of breakthrough power electronic systems for next-generation electric propulsion. You will work alongside experienced engineers, gaining hands-on experience with high-voltage systems and the manufacturing processes that take ideas from concept to production. We are looking for a full time Spring Intern, but also have availability for Summer 2027 and extended Co-Op positions.

What they're looking for

  • Currently pursuing a BS, MS, or PhD in Electrical Engineering, Computer Engineering, or a closely related field
  • Strong electronics fundamentals and project-based electronics experiences
  • Strong written and verbal communication skills
  • Organized with attention to detail
  • Experience or interest in high-voltage systems, power electronics, electric motors
  • Curious and motivated by first principles
More about this role

H3X is building America's advanced electric motor company, powering next-generation platforms in aerospace, defense, and marine. Our integrated motor drives deliver 12+ kW/kg, roughly 3x the power density of competing solutions. We're now scaling to megawatt-class systems, with customers working on everything from supersonic aircraft to turbine power generation for AI datacenters.

Our team brings together engineers and operators from aerospace, defense, and motorsports, with deep expertise in electric machines, power electronics, material science, and advanced manufacturing. We're a small, fast-moving team doing hard engineering that matters, and we're looking for people who want to do the best work of their careers alongside us.

Our team at H3X is hiring Power Electronics Intern. You will contribute to the design, testing, and validation of breakthrough power electronic systems for next-generation electric propulsion. You will work alongside experienced engineers, gaining hands-on experience with high-voltage systems and the manufacturing processes that take ideas from concept to production. We are looking for a full time Spring Intern, but also have availability for Summer 2027...

Read the full posting on H3X Technologies's site ↗

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