Pre-1940 After graduation from CSTC in 1933, Hamilton coached at Cushing High School in 1933, he later coached at Bristow, and Ponca City before returning to Central State in 1936 under
Claude Reeds. He then became head coach of the Broncho men's basketball team. He led the team to the
1939 NAIA Division I men's basketball tournament. In 1940 Reeds stepped down as both football coach and athletic director, Hamilton took his place in both roles.
Head football coach and two wars Beginning in 1941, Hamilton, led the Bronchos to seven conference championships. In 1941 the Bronchos had a 6–2 record. 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. Hamilton then served during
World War II. 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. After finishing his tour of duty, he resumed coaching duties and led the Bronchos to three more conference championships and a 36–16–1 record. In 1957, he decided to retire from football coaching with an overall record of 73–25–3.
Later coaching and administrative work Hamilton remained athletic director until 1976, meanwhile he coached the men's golf and tennis teams. He also served as a referee for
Missouri Valley Conference basketball games. In 1993 the University of Central Oklahoma decided to rename
Hamilton Field House in his honor. He died on September 1, 2002, at the age of 93. ==Head coaching record==