Mechanical Engineer - Hermeus

Job Title: Mechanical Engineer
Job Location: Los Angeles, CA
Job Listing URL: https://jobs.lever.co/hermeus/a22ba3d1-9c50-4acb-a91c-49630a88f2ee
Job Description: Hermeus is a venture capital-backed aerospace and defense technology company. The business is focused on building high-speed products that sustainably deliver asymmetric advantage to the Department of Defense and allied partners. Utilizing an iterative development approach to aircraft, Hermeus’ high-Mach and hypersonic aircraft aim to deliver capabilities at a pace not seen in the U.S. since the 1950s.
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
Basic Qualifications
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 work extended hours and weekends as needed to support critical milestones
Willingness to travel up to 25% of the time

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