He was most recently the head football coach for Sul Ross State University, a position he held from 2022 to 2024.
Derickson was hired as the offensive coordinator at Sul Ross just before the start of the 2021 season after the Lobos' incumbent OC, Kevin Canty, passed away at age 37 due to complications from COVID-19.
[7][8] Following the 2021 season, Sul Ross head coach John Pearce announced that he was resigning on November 30.
[10] Derickson lead the 2022 team under the interim tag for the entire season before being named the program's full-time head coach on November 18, 2022.
[11] Prior to the 2023 season, Derickson was named to Dave Campbell's Texas Football "40 Coaches under 40" list.