On 24 May 1982, he was promoted to Assistant Superintendent of Police and held the position of Staff Officer E1E2, Bukit Aman before became Head of Batu Pahat District Special Branch on 29 July 1984.
After being promoted to Deputy Superintendent of Police on 26 January 1989, he was entrusted to lead the Perlis Contingent Special Branch.
Coloring the brilliance of his career, on 26 May 1992, he was appointed Security Liaison Officer in Moscow, Russia and after serving for 30 months in the Union of Soviet Sovereign Republics (USSR), he returned to Malaysia to hold the position of E3 Staff Officer in Sarawak Contingent with the rank of Superintendent of Police on 30 November 1994.
Hussin once again promoted to Senior Assistant Commissioner of Police II on 20 December 2002 as the Head of Special Branch of Perak Contingent.
On 24 January 2008, based on his experience and professionalism, Hussin was given the responsibility as the Director of Bukit Aman Internal Security and Public Order Department with the position of Commissioner of Police.