Hamilton served as a sports coach and athletic director, at Central State University in Edmond, Oklahoma.
The 1942 campaign saw many small schools suspend their football programs and the Bronchos won the OCAC with an undefeated 7–0 (2–0 conference) record.
After the war, Hamilton did not resume his basketball coaching duties, but remained at the helm of the football program.
He led the Bronchos to two more conference championships and a 24–9–2 four seasons before he took a leave of absence to serve again during the Korean War.
[3][4] Hamilton remained athletic director until 1976, meanwhile he coached the men's golf and tennis teams.