Tun Hussein came back to Malaysia in 1945 and was appointed Commandant of the Johor Bahru Police Depot. The following year he joined the Malaya Civil Service as an assistant administrative officer in Segamat, Johor. He was later posted to the state of Selangor, becoming Klang and Kuala Selangor’s district officer.
Tun Hussein, who came from a family with deep nationalistic spirit and political roots, resigned from the civil service to go into politics. In 1949, he became the first youth chief of UMNO (United Malays National Organization), a party his father helped established. In 1950, Tun Hussein was elected the UMNO secretary general but he left UMNO in 1951 to join his father in forming the Independence of Malaya Party (IMP). However, with IMP losing momentum, Tun Hussein went to