Mechanical Engineer

San Jose, CA, United States


Full Time

10 days ago

Job description


As an early mover planning to offer key in-space transportation and infrastructure services, Momentus is at the forefront of the commercialization of space. With an experienced team of aerospace, propulsion, and robotics engineers, Momentus has developed a cost-effective and energy-efficient in-space transport system based on plasma water propulsion technology. 


Daring problems require daring solutions.  We boldly charge into uncharted territory knowing that no matter the outcome we will benefit from the journey and move closer to our goals no matter what. Our teams know that working at Momentus means more than building innovative technology, it means creating entirely new markets in the space economy. We are level-headed, business-minded strategic thinkers intent on providing immediate value to our customers today while simultaneously preparing for the vast possibilities of the future. If this sounds like you, we should talk.


We are seeking a well-rounded and experienced Mechanical Engineer with a strong understanding of spacecraft system design with an inclination towards thermal analysis. The ideal candidate will have proficiency in SolidWorks and functional knowledge of Thermal Desktop, along with familiarity with Matlab and Simulink. This role will involve mechanical design, thermal analysis, and collaboration with multidisciplinary teams to integrate thermal solutions into spacecraft designs.

Key Responsibilities:

  • Mechanical design of spacecraft components and subsystems, including primary and secondary structures. Develop detailed designs, models, and drawings.
  • Design electronics enclosures and packaging solutions to meet project requirements and specifications.
  • Generate part/assembly drawings, GD&T specifications, and documentation for manufacturing and assembly.
  • Familiarity with SC (AIT) assembly and testing procedures.
  • Support thermal analyses for spacecraft missions to predict and optimize thermal behavior under various operating conditions and in orbit environments.
  • Develop thermal models of spacecraft systems, subsystems, and components.
  • Collaborate with multidisciplinary teams, including systems engineers, structural engineers, and 3rd parties (customers/vendors), to integrate thermal solutions into spacecraft designs.

Required Skills and Experience:

  • Proficient user of SolidWorks CAD package.
  • Functional knowledge of Thermal Desktop is a strong asset.
  • Familiarity with Matlab and Simulink are assets.
  • Demonstrated experience with detailed design and thermal analysis of mechanical hardware.
  • Familiarity with the space environment and spacecraft systems.
  • Familiarity with material selection and thermal material coatings for space applications.
  • Ability to work independently or within a team framework.
  • Excellent technical communication skills, both written and verbal.

Education & Work Experience:

  • BS in Mechanical or Aerospace Engineering or equivalent.
  • 5-10 years of relevant experience.


  • Annual Base Salary Range: $ 125,000.00 - $ 175,000.00/per year
  • Base pay is one part of our total compensation package and is determined within a range. Your actual base salary will be determined on job-related knowledge and skills, education, and experience.  

This is a full-time position in San Jose, California. This position requires access to export-controlled commodities, technical data, technology, software, and services. U.S. citizenship, U.S. legal permanent resident status, or protected person status under 8 U.S.C. § 1324b(a)(3) is required.

Momentus is committed to hiring and retaining a diverse workforce.  Momentus is also an Equal Opportunity Employer, making decisions without regard to race, color, religion, gender identity, creed, national origin, veteran status, disability, age, sex, sexual orientation, marital status, or any other protected class.

To all recruitment agencies: Momentus does not accept agency resumes. Please do not forward resumes to our employees or any company email.  Momentus will not be responsible for any fees related to unsolicited resumes.  

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