Mechanical Engineering Intern - Fall 2026

United States·Los AngelesInternentry

EngineeringOtherMechanical EngineerTrades & Skilled LaborMechanical Engineering Intern

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EngineeringOtherMechanical EngineerTrades & Skilled LaborMechanical Engineering Intern

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.

Hermeus is seeking talented students with experience in mechanical engineering to join our Fluids Team in Los Angeles. The Fluids Team is responsible for the design and integration of hydraulic systems, fuel systems, and their supporting structural components for cutting-edge hypersonic aircraft.

Fall: Around 16 weeks (August - December)

Structural design supporting vehicle subsystems such as hydraulics, fuel systems, propulsion, and avionics

Perform structural and thermal analyses using both hand calculations and FEA

Lead trade studies across mechanical, fluid, and avionics subsystems with an emphasis on mass efficiency, cost, and performance

Collaborate with manufacturing, supply chain, and test teams to ensure designs are practical, producible, and aligned with program objectives

Own hardware development from concept through design, fabrication, integration, and test

Present technical content in internal reviews and represent the team in cross-functional and supplier/customer design reviews

Must be currently enrolled in an accredited college or university (Undergraduate student or enrolled in a Master's or Ph.D. program)

Pursuing Mechanical, Aerospace, Thermal Fluids, Structural or similar Engineering degree

Strong understanding of engineering first principles

Demonstrated ability to work within cross-functional teams

Enthusiasm for aviation and Hermeus' mission