Senior Mechanical Engineer

Momentus Space LLC; San Jose (CA); On-site; USD 145,000 - 175,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k retirement plan

Disability insurance

Life insurance

Flexible PTO

11 paid holidays

Paid parental leave

Job summary

Momentus Space LLC is seeking a Senior Mechanical Engineer to help design flight spacecraft structures, assemblies, and thermal systems. The role involves fast-paced development, from concept through assembly, integration, and test, in a San Jose, California environment.

You will work with propulsion, electronics, and robotics teams to ensure structural integrity and thermal control, while coordinating with analysts and test engineers.

Qualifications

• BS in Mechanical Engineering or Engineering Mechanics and 5–10 years in mechanical hardware design.
• Ability to define mechanical system requirements and interface with analysts.
• Experience with space environment effects on hardware.
• Knowledge of materials and coatings for space uses.
• Understanding spacecraft loads and thermo-mechanical considerations.

Responsibilities

• Mechanical design of spacecraft components including structure and enclosures.
• Create assemblies in CAD using SolidWorks and Duro PLM.
• Route propellant plumbing lines and thrusters.
• Collaborate with structural and thermal analysts on design integrity.
• Conduct vibration, static load, and shock testing of systems.
• Support TVAC testing on request.

Skills

Detail design

Requirements definition

Space environment awareness

Materials/coatings (space)

Structural loads analysis

Independent work

Technical communications

Written/verbal communication

Education

BS in Mechanical Engineering

Tools

SolidWorks

Duro PLM

Job description

As an early mover in the 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.

OUR PEOPLE

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.

JOB SUMMARY

The Senior Mechanical Engineer will participate in the mechanical, structural, and thermal design of flight spacecraft and will follow programs through execution of assembly, integration, and test. The ideal candidate should be accustomed to working in a fast-paced environment and quickly adapting to new challenges.

Key Responsibilities

• Mechanical design of spacecraft components including primary structure, support structure, brackets, electronics enclosures, bulkheads, wire harness, and more.
• Design of components and assemblies in CAD. Solidworks. Duro PLM.
• Routing of plumbing lines for propellant feed system and thrusters.
• Work with structural analysts to ensure structural integrity of the spacecraft and all components during all phases of launch.
• Work with thermal analysts to ensure all components are maintained within acceptable temperature limits.
• Conduct mechanical testing of systems and components including vibration testing, static load testing, and shock testing.
• May be asked to support TVAC testing on an as-needed basis.

Required Skills and Experience

• Demonstrated experience with detail design of mechanical hardware.
• Experience defining requirements for mechanical systems and components.
• Familiarity with the space environment and how it affects mechanical hardware.
• Familiarity with material selection and material coatings for space applications.
• General understanding of spacecraft structural loads (quasi-static loads, random vibration, shock, thermo-mechanical)
• Ability to work independently.
• Excellent technical communications skills.
• Good written and verbal communications skills.

Desired Skills and Experience

• Experience designing, manufacturing, and testing space hardware with demonstrated on-orbit success.
• Experience running TVAC tests.
• Thermal and fluidic analysis experience is a strong asset.

Education & Work Experience

• BS in Mechanical Engineering or Engineering Mechanics
• 5-10 years relevant experience.

Compensation:

Annual Base Salary Range: $145,000 - $175,000/per year

Base pay is one part of our total compensation package (base+bonus+equity) and is determined within a range. Your actual base salary will be determined on job-related knowledge and skills, education, and experience. Our benefit plans include medical, dental, and vision insurance, 401k retirement plan, short and long term disability and life insurance. We also offer flexible PTO, along with 11 paid holidays, sick time and paid parental leave.

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.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

As set forth in Momentus Space LLC’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.