January 1985 – August 1987: Officer, General Department of Security, Ministry of Public Security
July 1985 – September 1985: Studied at the Institute for International Relations (now Diplomatic Academy of Viet Nam), Ministry of Foreign Affairs;
September 1986 – July 1987: Studied at the International Academy, Ministry of Public Security;
August 1987 – March 1991: Officer, General Department of Security, Ministry of Public Security;
March 1991 – November 1994: 3rd Secretary, later 2nd Secretary, Embassy of Viet Nam in Romania;
November 1994 – May 1999: Officer, Ministerial Leaders’ Secretariat under the Office of the Ministry of Public Security;
August 1996 – January 1997: Studied at the People’s Security University (now People’s Security Academy), Ministry of Public Security;
September 1999 – September 2001: Studied Advanced Political Theory, Advanced Party School (now Ho Chi Minh National Academy of Politics);
May 1999 – May 2006: Deputy Director General, then Acting Director General, then Director General, General Department of Intelligence, Ministry of Public Security;
May 2006 – December 2009: Deputy Director for Economic, Science, Technology, and Environment Intelligence, General Department of Intelligence, Ministry of Public Security;
December 2009 – August 2010: Deputy Director-in-charge, then Director, General Department of Logistics-Engineering, Ministry of Public Security;
August 2010 – August 2011: Member of the Central Public Security Party Committee, Deputy Minister for Logistics, Engineering, Finance, Science, Technology, and Environment, Ministry of Public Security. Elected to the Party Central Committee at the 11th National Party Congress;
August 2011 – February 2015: Member of the 11th Party Central Committee, Secretary of the Quang Ninh Party Committee, Secretary of the Quang Ninh Military Party Committee, Member of the Military Zone 3 Party Committee, Ministry of Defense;
February 2015 – January 2016: Member of the Party Central Committee, Deputy Head of the Central Organization Commission. Elected to the Party Central Committee at the 12th National Party Congress and the Politburo by the 12th Party Central Committee;
February 2016 – April 2021: Member of the Politburo, Secretary of the Party Central Committee, Chairman of the 12th Central Organization Commission, Head of the Sub-commission for Internal Political Security of the 12th Party Central Committee. In charge of the Party activities of the Central Organizations Bloc and Committee for the Protection and Healthcare of Central Organization Cadres; Member of the Central Steering Committee for Combating Corruption; Member of the 14th National Assembly, President of the Viet Nam – Japan Parliamentarians’ Friendship Group of the 14th National Assembly;
Re-elected to the Party Central Committee at the 13th National Party Congress and to the Politburo by the 13th Party Central Committee;
5 April 2021: Elected Prime Minister of the Socialist Republic of Viet Nam at the 11th session of the 14th National Assembly.