He was recently the defensive line coach for the Birmingham Stallions of the United Football League (UFL).
He then returned to Arkansas as their defensive line coach for one season before moving to the NFL.
Johnson has served as a defensive line coach for the Atlanta Falcons, Denver Broncos, New Orleans Saints, Los Angeles Rams, and Birmingham Stallions of the USFL.
[5][6] In 2022, Johnson joined the XFL as the defensive line coach for the Houston Roughnecks.
[8] On January 30, 2025, Johnson was hired to become the defensive line coach for the Chicago Bears.