Rader served as the head football coach at the University of Tulsa from 1988 to 1999, compiling a record of 49–80–1.

On February 1, 2010, Rader was hired as the co-offensive coordinator and quarterbacks coach for the Ole Miss Rebels football team after the departure of Kent Austin.

In 2011, his book Missing Page from the Playbook – Fundamentals Behind the Physical, Mental, and Emotional Elements of Commitment was published.

[9] In 2023 he co-authored House Bill 1792 with Mike Osburn[10] that would lessen the penalties of dogfighting in the state of Oklahoma, which sparked pushback from animal rights advocates.

It would have also lessened the penalties for cockfighting in the state, similar to House Bill 2530, authored by Justin Humphrey and Paxton, which also died in the same timeframe.

[12] Rader is married to his wife, Janet, and with her has three children: sons Daniel and Jordan and daughter Kendal.