Drimva

Antares Nuclear

Senior Mechanical Design Engineer - Space

$145K–$190K

Los Angeles · Senior · Full-time · Posted Oct 26, 2026

Experience
5+ years in space system/product mechanical design, system configuration and layout.
Education
Bachelor’s degree in mechanical or aerospace engineering, or a related physics-based field.
Visa sponsorship
Applicants must be a U.S. citizen or national, U.S. lawful permanent resident, refugee, or asylee, or eligible to obtain required U.S. Department of State authorizations.

About the job

Owns the design and lifecycle delivery of mechanical hardware and subsystems for space nuclear power systems, from concept through testing, qualification, and integration.

What you'll do

  • Own subsystem hardware and drive system layout, requirements, design trades, and build/test cycles.
  • Create and manage CAD models, configurations, drawings, and DFMEA; support design reviews and integration/test planning.
  • Coordinate with cross-disciplinary teams on interfaces, procurement, manufacturing, testing, and design improvements.

What they ask for

  • Bachelor’s degree in mechanical or aerospace engineering, or a related physics-based field.
  • 5+ years of experience in space system/product mechanical design, system configuration and layout.
  • Expertise with CAD (e.g., NX, CATIA) and past experience with PLM and other manufacturing planning and management systems.
  • Ability to work long hours and weekends as necessary for critical milestones; willingness and ability to obtain and retain a security clearance.

Nice to have

  • Master’s or PhD in mechanical or aerospace engineering, or a related physics-based field.
  • Expertise in design, analysis, and integration of nuclear or space nuclear systems.

Pay

$145K – $190K USD base salary

Tools

CAD, NX, CATIA, PLM, DFMEA, GD&T

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)