Senior Mechanisms Engineer

hermeus· Mechanical
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📍 Los Angeles, CAFull time💰 USD 139K–187K

About this role

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.

About The Role: 

Hermeus is seeking a Senior Mechanisms Engineer to join our Vehicle & Mechanisms Team. In this senior-level role, you will be responsible for designing and developing complex mechanical systems and mechanisms that are critical to the success of our high-speed aircraft projects.

Responsibilities

  • Mechanism Design:
  • Lead the design and development of mechanical systems, mechanisms, and components for aerospace applications.
  • Collaborate with cross-functional teams to define project requirements and objectives.
  • Analysis and Simulation:
  • Conduct detailed mechanical analysis, including stress analysis, fatigue, and kinematics to validate mechanism designs.
  • Utilize simulation and modeling tools to optimize and refine designs.
  • Prototyping and Testing:
  • Oversee the prototyping and testing of mechanical systems and mechanisms to verify performance and reliability.
  • Plan and execute tests, analyze results, and recommend improvements.
  • Materials and Manufacturing:
  • Select appropriate materials and manufacturing processes for components, considering performance, cost, and sustainability.
  • Work with suppliers to ensure high-quality production.
  • Documentation and Reporting:
  • Maintain comprehensive documentation of design specifications, test results, and performance data.
  • Generate reports and presentations for internal and external stakeholders.
  • Collaboration and Mentorship:
  • Collaborate with junior engineers and provide guidance and mentorship to foster their professional growth.
  • Foster teamwork and knowledge sharing within the Vehicle & Mechanisms Team.
  • Innovation and Research:
  • Stay current with industry advancements and emerging technologies in mechanical engineering.
  • Contribute to research and development efforts aimed at pushing the boundaries of aerospace technology.

Requirements

  • Bachelor's degree in mechanical engineering or a related field (Master's degree preferred).
  • A minimum of 5 years of experience in mechanisms engineering, preferably in aerospace or a related industry.
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Preferred Skills and Experience

  • Strong knowledge of mechanical design principles, materials, and manufacturing processes.
  • Proficiency in CAD software (e.g., SolidWorks, CATIA) and simulation tools.
  • Experience with FEA analysis and simulation software.
  • Strong problem-solving and analytical skills.
  • Excellent communication and collaboration abilities.
  • Project management experience is a plus.

The salary range listed for this role is intended as a general guideline. Final compensation will be determined based on a variety of factors, including role scope and responsibilities, relevant experience, education and training, key skills, market data, and business needs.

At Hermeus, compensation is only one part of our total rewards package. We offer competitive pay, equity, and a range of benefits designed to support our team.

Benefits:

  • Health & Wellness: 100% employer-paid healthcare and pet insurance
  • Financial: Competitive pay, stock options, 401(k) retirement plan, and potential year-end bonuses
  • Time Off: Paid parental leave, 12 federal holidays, unlimited PTO for exempt employees, and generous accrued PTO for non-exempt employees
  • Office Perks: Weekly paid office lunches and fully stocked breakrooms
 
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.

#LI-JC3
 

Frequently Asked Questions

What is the salary for the Senior Mechanisms Engineer role at hermeus?
The listed salary for this Senior Mechanisms Engineer position at hermeus is USD 139K–187K. This is an Full time role.
Where is the Senior Mechanisms Engineer position at hermeus located?
This Senior Mechanisms Engineer role at hermeus is based in Los Angeles, CA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Mechanisms Engineer role at hermeus full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Mechanisms Engineer role in the Mechanical department at hermeus.
Which team or department does the Senior Mechanisms Engineer at hermeus belong to?
This Senior Mechanisms Engineer position is part of the Mechanical department at hermeus. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Mechanisms Engineer position at hermeus?
Click the "Apply Now" button on this page. You will be redirected to hermeus's official application portal hosted on lever where you can submit your application directly.
When was the Senior Mechanisms Engineer job at hermeus posted?
This Senior Mechanisms Engineer position at hermeus was posted on Aug 20, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Mechanisms Engineer
hermeus · 💰 USD 139K–187K
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