McAdoo served as the Giants' head coach for almost two seasons, going 13-15 before being fired with four games left in the 2017 season.
McAdoo, 46, was last the Panthers' offensive coordinator in 2022. He was previously the Giants' offensive coordinator in 2014-15.
He has also coached offensive line, tight ends and quarterbacks for seven different teams in his 18-year career.
McAdoo made stops with the Saints, 49ers, Packers, Giants, Jaguars, Cowboys and Panthers.
