Mechanical Engineer

Hermeus Corporation is an American startup company designing a Hypersonic airliner.

Location: Los Angeles, CA
Company size: 10–500
Posted: Yesterday
Via: Lever

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Job listing · Updated 28 OCT 2026

Mechanical Engineer

Hermeus· Los Angeles, CAView company profile

Job title: Mechanical Engineer
Job location: Los Angeles, CA
Job listing URL: https://jobs.lever.co/hermeus/7e8c4dce-00a7-4492-a0e1-a950cf677e28
Job description: 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.
Responsibilities
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
Requirements
Bachelor’s degree in mechanical engineering, aerospace engineering, or physics

1+ years of experience with electromechanical design, analysis, and testing (internships and significant student project experience qualify)
Preferred Skills and Experience
Hands-on prototyping and mechanical assembly experience for complex systems

Strong foundation in engineering fundamentals including statics, dynamics, heat transfer, fluid mechanics, vibe

Proficiency in CAD (NX preferred), FEA (Ansys preferred), and PLM tools (Teamcenter preferred)

Familiarity with mechanical testing under conditions such as vibration, fatigue, shock, vacuum, and thermal loads

Experience collaborating across disciplines (e.g., fluids, avionics, manufacturing) to deliver integrated systems

Demonstrated cradle to grave ownership of technically complex projects
Additional Requirements
Willingness to travel up to 25% of the time