Senior Mechanical Engineer

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

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k plan

Short/long-term disability

Life insurance

Flexible PTO

Holidays & parental leave

Job summary

Momentus in San Jose, CA is seeking a Senior Mechanical Engineer to join our in-space transportation programs. You will design spacecraft hardware, perform analyses, and lead testing, collaborating with structural and thermal teams to ensure reliability in launch environments.

The role requires CAD with SolidWorks and experience with space hardware; domestic travel is minimal. A BS in Mechanical Engineering and 5–10 years of relevant experience are typical qualifications.

Qualifications

• Detail design of mechanical hardware.
• Defining requirements for mechanical systems.
• Familiarity with space environment and materials.

Responsibilities

• Design spacecraft components including primary structure, brackets, enclosures.
• CAD modeling in SolidWorks; use of Duro PLM.
• Route plumbing lines for propellant feed and thrusters.
• Coordinate with structural analysts on loads and integrity during launch.
• Coordinate with thermal analysts to maintain acceptable temperatures.
• Conduct mechanical testing: vibration, static, shock.
• Support TVAC testing as needed.

Skills

Detail design

Mechanical requirements

Space environment

Material selection

Spacecraft loads

Independent work

Technical communication

Written and verbal comms

Education

BS in Mechanical Engineering or Engineering Mechanics

Tools

CAD

SolidWorks

Duro PLM

Job description

OUR COMPANY

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.