Operate pneumatic jacks on offshore oil drilling barges.
What does a Pneumatic Jack Operator do?
Operates pneumatic jack on offshore oil drilling barge that raises or lowers barge to facilitate drilling: Moves levers to start jack which is lowered to caisson on ocean floor for purpose of lifting barge to facilitate drilling. Coordinates movement of jack with movement of other jacks on barge. Raises jack to lower barge back into water so that barge may be moved to another drilling location.