He returned to Universitatea in 1992/93 and retired in 1994.
After retirement he began his coach career and for over 20 years was the assistant coach or goalkeeping coach for clubs like: FCU Craiova, Na?ional Bucure?ti, Nagoya Grampus, Pandurii Târgu Jiu, Astra Ploie?ti, Universitatea Craiova or Concordia Chiajna.
Between 1995 and 1997 he was the head coach of Minerul Motru and earlier in 1994, of Olympique de Casablanca, these were his only jobs as a head coach, until December 2017, when he was announced as the new head coach of Liga III side, CSO Filia?i.Lung was capped 77 times for Romania between 1979 and 1993, and represented his country at Euro 1984 and the 1990 FIFA World Cup, where he was captain in all four matches.