SpaceX is gradually inching its way to be a viable space transport for goods and people. The rocket designs and capsule designs are eye catching. Where does a company like this find employees that can do this kind of work ?
CalTech, MIT Stanford plus brain drain from NASA and ESA. These organizations are true entrepreneurs mindset. For instance if you are an intern working on a project you will present your work directly to the CEO not the interns boss. Flat organization driving empowerment and quality of delivery through talent. Competitive though but rewarding.