The school tells 44News there will be an official announcement Wednesday morning.
Simmons, 53, was the head coach of the Aces from 2007 to 2018. He accumulated a 282-248 record during his near-decade leading the UE. He also served as an assistant coach from 1990 to 1996, and 1997 to 2002. Simmons also guided the Aces to a 2015 CIT Championship.
Simmons played for the Aces from 1986 to 1988 after transferring from Indiana University. He played for the Hoosiers from 1983 to 1985.
Simmons, a native of Lawrenceville, Illinois, was named Illinois Mr. Basketball in 1983, and was inducted into the UE Hall of Fame in 1997.