Mechanical Engineer
Hermeus
Los Angeles, CA, USA
USD 91,800-140,250 / year + Equity
Posted on Feb 20, 2026
Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries.
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 travel up to 25% of the time
U.S. EXPORT CONTROL COMPLIANCE STATUS
The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.
EQUAL OPPORTUNITY
Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.
91800 - 140250 USD a year
The salary information provided is a general guideline only. Hermeus takes various factors into account, including, but not limited to, the position's scope and responsibilities, the candidate's professional background, education and training, essential skills, and market and business considerations, when presenting a job offer.
Salary is only one part of our total compensation and benefits package. Hermeus offers competitive salary and equity, unlimited PTO policy, paid parental leave, potential for year-end bonuses, and more!
100% employer-paid health care
401k & Retirement Plans
Unlimited PTO
Weekly Paid Office Lunches
End of Year Bonuses
Fully stocked breakrooms
Stock Options
Paid Parental Leave