Senior Mechanical Design Engineer — Spacecraft Hardware

Momentus; San Jose (CA); On-site; USD 190,000 - 215,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k retirement plan

Flexible PTO

11 paid holidays

Sick time

Paid parental leave

Job summary

Momentus in San Jose, CA is seeking a Staff Mechanical Design Engineer to serve as the mechanical technical authority for spacecraft hardware, leading development from concept through production deployment.

You will collaborate with Electrical, Systems, Manufacturing, and Supply Chain teams to deliver integrated hardware solutions in a fast-paced environment, adapting to new challenges and ensuring thermal, vibration, and structural requirements are met.

Qualifications

• BS degree in Mechanical Engineering required.
• 12–15+ years relevant experience in mechanical design for aerospace preferred.
• Experience defining mechanical system requirements and interfaces.

Responsibilities

• Own subsystem-level mechanical solutions for thermal and high-vibration environments.
• Represent the mechanical discipline in design reviews and customer engagements.
• Support hardware integration, verification, and production readiness activities.

Skills

Mechanical design

CAD (SolidWorks)

FEA & hand calculations

GD&T

Requirements definition

Space environment knowledge

Materials & coatings

Structural loads understanding

Independent work

Technical communication

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

Job description

Momentus in San Jose, CA is seeking a Staff Mechanical Design Engineer to serve as the mechanical technical authority for spacecraft hardware, leading development from concept through production deployment.

You will collaborate with Electrical, Systems, Manufacturing, and Supply Chain teams to deliver integrated hardware solutions in a fast-paced environment, adapting to new challenges and ensuring thermal, vibration, and structural requirements are met.