Lansing then served as an assistant coach for Fordham from 1947 through the 1954 seasons, after which the university dropped the football program. Several years after a six-year coaching stint at Blessed Sacrament High School in New Rochelle, Lansing returned to Fordham to take over as the new head football coach. In eight seasons, Lansing compiled an overall record of 30–21–3. He stayed at Fordham to serve as an assistant athletic director and the director of intramural athletics.