In my experience it is possible to function with a remote player, but it's a little less fun. You could consider having the engineer play remotely, simulating the idea that his/her station is in the "engine room" and the captain or Comms officer must call to issue orders.
I have seen a pretty good use of a remote player as a Game Master. For that to work the Game Master should be an Artemis expert.
"Damn the torpedoes! Four bells, Captain Drayton!"
(Likely actual words of Admiral David Farragut, USN, at the battle of Mobile Bay. Four bells was the signal for the engine room to make full steam ahead).