The Department of Mechanical and Aerospace Engineering (MAE) at Princeton University invites applications for multiple faculty positions at the assistant, associate, or full professor rank. We welcome applications from all areas in mechanical and aerospace engineering. Areas of particular interest are (1) sustainable energy and propulsion including energy and aerospace materials, green fuels, and nonequilibrium reacting flows,  (2) astronautical engineering and related sciences, and (3) applied physics, especially lasers, plasmas and related diagnostics. Applicants must hold a Ph.D. in engineering, materials science, physics, chemistry, applied mathematics, or a related subject, and have a demonstrated record of excellence in research with the potential to establish an independent resea