Mechanical Engineer III - Advanced Manufacturing
Quantum Space
<p>Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly.</p> <p><strong>Who We’re Looking For</strong></p> <p>We are seeking a Mechanical Engineer III to lead the design and development of electric propulsion hardware and associated subsystems, from concept through flight.</p> <p>This role is intended for an experienced engineer who can own propulsion-related hardware, drive design decisions, and deliver flight-ready systems. You will operate at the intersection of mechanical design, thermal management, and high-performance hardware development, working closely with propulsion, systems, and test teams.</p> <hr> <p><strong>Where You’ll Make an Impact</strong></p> <ul> <li>Own mechanical design of electric propulsion subsystems (thruster assemblies, structural interfaces, feed systems, thermal management hardware)</li> <li>Lead architecture and packaging trades for propulsion integration</li> <li>Develop and release high-quality CAD models and drawings with full GD&amp;T</li> <li>Perform and guide structural and thermal analysis (including high-temperature and vacuum environments)</li> <li>Drive integration and testing of propulsion systems, including anomaly resolution and root cause analysis</li> <li>Define and execute verification strategies (analysis, inspection, test)</li> <li>Lead design reviews (PDR/CDR) and communicate technical decisions clearly</li> <li>Coordinate with suppliers and manufacturing partners for precision and high-performance components</li> <li>Mentor junior engineers and elevate team technical capability</li> <li>Ensure designs meet performance, manufacturability, and reliability requirements</li> </ul> <hr> <p><strong>What It Takes</strong></p> <ul> <li>Bachelor's or Master's degree in Mechanical Engineering or related field</li> <li>5–10+ years of experience developing hardware, preferably in high-performance aerospace systems</li> <li>Strong proficiency in Creo (or similar CAD) and drawing release processes</li> <li>Deep understanding of GD&amp;T (ASME Y14.5)</li> <li>Experience owning hardware through full lifecycle (design → build → test → qualification/flight)</li> <li>Strong background in structural and thermal analysis</li> <li>Proven ability to lead technical efforts and drive decisions</li> <li>Strong troubleshooting and root cause analysis capability</li> <li>Ability to work on-site in the LA area</li> </ul> <hr> <p><strong>Nice-to-Have Experience</strong></p> <ul> <li>Direct experience with electric propulsion systems</li> <li>Familiarity with plasma environments and material selection for EP systems</li> <li>Experience with thermal management in high-power-density systems</li> <li>Proficiency with FEA tools (ANSYS, Nastran, etc.)</li> <li>Experience with environmental testing (TVAC, vibration, life testing)</li> <li>Familiarity with PLM systems (Windchill or similar)</li> </ul> <hr> <p><strong>What You’ll Get</strong></p> <ul> <li>Ownership&nbsp;– Lead development of critical propulsion hardware</li> <li>Innovation – Develop and advance high-performance electric propulsion hardware that pushes the boundaries of spacecraft mobility, thermal management, and in-space maneuverability</li> <li>Impact – Work on cutting-edge electric propuls