Early career Williams began his coaching career in 2007 at
Los Angeles Harbor College as their cornerbacks coach. He then went to serve in the same position at
El Camino College in 2008. In 2009, Williams joined
Mt. San Antonio College as their cornerbacks coach.
Nevada In 2010, Williams was hired as a defensive quality control coach at the
University of Nevada, Reno.
Washington In 2011, Williams joined as a graduate assistant at the
University of Washington.
San Jose State In 2013, Williams was hired to be the cornerbacks coach at
San Jose State University. In 2014, he was promoted to defensive backs coach and recruiting coordinator.
Arizona In 2016, Williams joined the
University of Arizona as their cornerbacks coach.
Nebraska In 2017, Williams was hired to be the cornerbacks coach at the
University of Nebraska–Lincoln.
Oregon In 2018, Williams joined the
University of Oregon as their cornerbacks coach under head coach
Mario Cristobal.
USC In 2020, Williams was hired as the defensive passing game coordinator and cornerbacks coach at the
University of Southern California (USC) under head coach
Clay Helton. In 2021, he was promoted to assistant head coach. On September 13, 2021, Williams was named USC's interim head coach following Helton's dismissal. Williams became the first Black head coach in USC's football history. On September 18, 2021, Williams made his head coaching debut and led the Trojans to a 45–14 victory over
Washington State. The Trojans went 3-7 under Williams during the program's worst season in 30 years. Williams was retained on USC's staff by Riley in January 2022 as the Trojans' defensive backs coach and defensive passing game coordinator.
Georgia In December 2023, Williams left USC to become the defensive backs coach at the University of Georgia. ==Head coaching record==