His record at NC State was 52–29–3 over seven seasons. He led the Wolfpack to six bowl games.
He served as the head football coach at Furman University from 1978 to 1985 and North Carolina State University from 1986 to 1992, compiling a career college football record of 121–52–5. A 1964 graduate of the University of South Carolina, Sheridan coached the Furman Paladins to a 69–23–2 record over eight seasons.