Senior Astrodynamics & Navigation Engineer

Quantum Space in Rockville, MD, Hawthorne, CA, or Denver, CO seeks an experienced Astrodynamics and Navigation Engineer III to lead trajectory design, orbit determination, and mission analysis across LEO, MEO, GEO and cislunar regimes. You will collaborate with GNC, flight software, propulsion, and mission operations teams to develop high‑fidelity flight dynamics capabilities and build internal tools (Python/MATLAB/C++). The role includes on‑orbit support and documentation.