If he continues his success, he likely will get D1 offers from west coast programs. His predecessor jumped directly to a western D1 school. There are a lot of jobs available between the MWC, WCC, WAC, Big West, and Big Sky. Over 40 D1 programs in the west.
After 10+ years on the west coast, I guess it depends on how much he likes it - and also how much his wife, born and raised in the west, likes it.