Job Description:

• 1) 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.

• 2) Coordinates movement of jack with movement of other jacks on barge.

• 3) Raises jack to lower barge back into water so that barge may be moved to another drilling location.