Flight director was a position within Starfleet's Fleet Operations Center on Earth. (ENT: "Demons" set artwork)
In January of 2155, Starfleet officers L. Burton, M. Howard, P. Lauritson, and M. Rush worked as flight directors.
Flight Director was seen on directory listings seen on the set of "Demons".
, like many of the other divisions, departments, or positions on the listing, is a reference to NASA