I work in the field, particularly in boost and propulsion.
If he wants to work in rockets, (A move I don’t recommend), he should get skills in Aero, CFD, Thermal, Materials or Fluids. then he needs to decide if he wants to concentrate on structures, thermal, propulsion or controls or systems engineering.
Finally for jobs, there is Orbital in HB, SMC at LAAFB, or he can join one of the new space companies.
(Like SpaceX in Hawthorne)
Or he needs to move to Decatur alabama (ULA).
now if he wants to do propulsion he could go to AFRL in Mojave,
