 Nava had a one-month spell as Pro Sesto head coach in January 2004, the team with which he began his career, and eventually retired.He later became the coach of Masseroni Marchese, helping with the Milan Youth Programme.During the 2011–12 season, he became the coach of the Milan "Giovanissimi Nazionali" Youth squad, and the following season, he worked alongside Filippo Inzaghi, who was the coach of the Milan "Allievi Nazionali" Youth Side.