get a/ foot in the door

get a/your foot in the door

  (British, American & Australian) also get a leg in the door (Australian)
to start working at a low level for an organization because you want a better job in the same organization in the future I know it's not the job you'd hoped for, but at least you can use it to get your foot in the door.
See lay at door, never darken door again, open the door to, show the door
See also: door, foot, get