From 1970 to 1971, Bahcall was a research fellow in physics at the
California Institute of Technology. The same year she received her Ph.D., she began working at
Princeton University, where she has been a full-time astrophysics professor since 1989. Between 1971 and 1983, she was a research assistant to a senior research astrophysicist. From 1983 to 1989, she was the chief of the General Observer Support Branch and the head of the Science Program Selection Office at the
Space Telescope Science Institute, where she chose which science programs would have access to the Hubble. She was also the director of the Council on Science and Technology of Princeton from 2000 to 2008. the Space Telescope Institute Council (1993-1997), the U.S. National Committee to IAU (1998-2004), the Scientific Advisory Committee of the
Sloan Digital Sky Survey (1990-1995), the
American Institute of Physics Committee on International Relations (1990–1993), and was the chair of the AAS Committee on the Status of Women in Astronomy (1983). She received an honorary doctorate from
Ohio State University in 2006. == Personal life==