Design Engineer Internships - Summer 2026
LiquidPiston
About this role
LiquidPiston is offering paid design engineer internships focused on mechanical design and engine development within a collaborative environment working on rotary engines and systems. The internships involve hands-on design, prototyping, analysis, and cross-team collaboration, providing real product development experience.
Skills
About LiquidPiston
liquidpiston.comLiquidPiston develops and commercializes a patented rotary combustion technology (the X‑Engine) built around its High‑Efficiency Hybrid Cycle (HEHC). Their compact engines deliver very high power density — up to ~10× the power of comparable piston engines — and roughly 30% better fuel efficiency, making them a strong fit for hybrid‑electric systems and range extenders. Target markets include aviation and unmanned aircraft, portable and stationary generators, industrial and defense applications, and OEM integrations across their X‑mini and XTS platforms.
About LiquidPiston
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
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View leadership team, funding history,
and employee contacts for LiquidPiston.
Salary
$75k – $101k
per year
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