J.J. Ingraham was listed with the crew of the CSS Arctic of the Wilmington (NC) Naval Station in the June 1862; July 1863; April-Nov. 1864 rosters. The CSS Arctic was the station's receiving ship evidently.
He was listed as a boatswain. At one point, the Arctic was under the command of Lt. C.B. Poindexter and W.T. Muse is also listed as commander.
He also appears as a boatswain on the crew list for the CSS Raleigh on Jan., Feb., and March 1862; Jan. to June 1864 rosters. Lt. Commanding was James W. Alexander.
I had the idea that a boatswain was an enlisted man of high rank and according to Wikipedia, a boatswain is a senior crewman of the deck department and supervises others.