(qepHom 2017 p.20):  jonta' pa' for engineering is fine for referring to the room where the engine is (or engines are). If engineering (as in "Scotty, go down to Engineering and see what's happening there") means the place where the engines are controlled, that might be jonSeH yaH.  jonSeH means something like "engine control" or engine controlling.  If the engines and the engine-control place are the same, jonta' pa' will work. ... The jonSeH yaH could be on the bridge or else somewhere else (in the room where the engines are or close to that).

SEE ALSO:

jonpIn                  engineering officer (n)

jonta'                  engine (n)

jonwI'                  engineer (n)

jonSeH yaH and jonwI' imply a verb *jon:

(TKD 78):  Sometimes one member of a set may be partially analyzed. For example, jonta' "engine" begins with jon, which is also found in jonwI' "engineer", and ends with ta', which also occurs in mIqta' "machinery". The other members of these synonym sets, QuQ "engine" and jo' "machinery", cannot be further analyzed.

SeH             control (v)

SeHlaw          control panel,  console KBoP (n)

SeHwI'          controller (n)

Other known yaHmey "duty stations" are:

Qu' vu'wI' yaH  Mission Ops

ropyaH  infirmary