Mondt was the head football coach at Morningside College in Sioux City, Iowa. He held that position for six seasons, from 1983 to 1988. His coaching record at Morningside was 19–46–1.
Following is his career at Morningside, he continued his career as head football coach at the South Dakota School of Mines and Technology for five seasons, from 1990 to 1994. He posted a record of 11–34 before stepping down.