 Following a three-year spell with Metalul, Voinescu moved to Steaua București, which was where he remained at before his retirement from professional football in 1963, following an eighteen-year professional career.Voinescu has won 22 caps for Romania, with his only honor being representing his country at the 1952 Summer Olympics.It was said that Arsenal and Vasco da Gama were both interested in securing his services during his playing career, but was unable to as it was impossible for Voinescu to leave the country due to the strict restrictions of the communist regime.