Staff Mechanical Design Engineer at Momentus

Momentus is hiring a Staff Mechanical Design Engineer to serve as the mechanical technical authority for spacecraft hardware, leading development from early concept through production deployment. The role owns subsystem-level mechanical solutions, supports integration, verification, and production readiness, and collaborates with electrical, systems, manufacturing, supply chain, structural, and thermal teams. Responsibilities include mechanical design, CAD and FEA work, GD&T, material selection, spacecraft structural and thermal analysis, and vibration, static load, shock, and TVAC testing. The position requires a mechanical engineering degree, 12–15+ years of relevant experience, and offers an annual base salary of $190,000–$215,000 in San Jose, California.