After retiring from playing professionally, he taught Spanish and coached boys and girls high school soccer.
DiBernardo attended Indiana University where he played on the school's men's soccer team for three seasons from 1976 to 1978.
He had an immediate impact on the team, helping it to the 1976 NCAA Men's Soccer Championship which Indiana lost to San Francisco.
This year DiBernardo won the Hermann Trophy as the top collegiate soccer player in the country.
In February 1979, DiBernardo earned his first cap for the national team, coming on as a substitute for Ty Keough in a loss to the Soviet Union.
DiBernardo became an integral part of the U.S. efforts to qualify for the 1982 World Cup and played in the four qualification games in 1980.
He played the 1985–1986 Major Indoor Soccer League season with the Kansas City Comets.
Since retiring from playing, DiBernardo became a Spanish teacher and soccer coach at Waubonsie Valley High School in Aurora, Illinois beginning in 1991.
DiBernardo's Argentinian heritage has aided him with teaching the Spanish language and South American culture.