Reports state that Carroll has agreed to a three-year deal, while other candidates have been informed that Carroll is the team's new head coach.
Carroll won a Super Bowl during his 14-year tenure with Seattle and has the most wins of any Seahawks coach (137).
He also coached the New York Jets in 1994 and the New England Patriots between 1997 and 1999, and has a record that reads 170-120-1.
The Raiders parted ways with head coach Antonio Pierce at the start of January, two days after their 4-13 season came to an end.
Carroll now joins a group of title-winning coaches in the AFC West.
Jim Harbaugh won a national title at Michigan, Andy Reid has led the Kansas City Chiefs to three Super Bowl victories, while Sean Payton, the head coach in Denver, won the Super Bowl with the New Orleans Saints.