Austin began his coaching career at Wichita University for a season in 1958, then joined first-year head coach Vince Lombardi as offensive line coach for the Green Bay Packers in 1959. Lombardi was the offensive coordinator of the Giants for the previous five seasons, including the 1956 championship year. Austin coached in Green Bay for six seasons, mentoring pulling guards Jerry Kramer and Fuzzy Thurston, and hall of famers Forrest Gregg and Jim Ringo. The Packers played in the NFL championship game for three consecutive seasons, with wins in 1961 and 1962.