Wagoner joined the Depauw University faculty in 1946, where he was director of Experimental Psychology from 1946 to 1977, rising to professor and chairman of the Psychology Department from 1952 until his retirement in 1977. He also served as visiting professor at Florida State University in 1956 and was a consultant for research projects at Florida State University under contract with the Surgeon General of the United States from 1956 to 1963. DePauw University appointed him professor emeritus in 1977.
