Azmun Jaafar's professional career began when he joined the civil service as chief of Data and Counseling at the Civil Registry Office in
Bengkalis Regency. He was appointed for the position on 21 June 1988. His progression through the ranks was marked by a series of increasingly responsible positions, including chief of public relations on 19 March 1992 and chief of legal affairs on 9 March 1995 at the Bengkalis regional secretariat. Around this period, he also taught as a lecturer at the Bengkalis Islamic Institute and the Bengkalis branch of the . Shortly before the
fall of Suharto, on 5 January 1998 Azmun became the assistant for administrative affairs to the Bengkalis regional secretary, the most senior civil service position in the regency. On 18 July 1998, he briefly assumed office as the chief of the socio-political office of Bengkalis in an acting capacity. He was then appointed as the chief of the Bengkalis electoral committee secretariat on 7 April 1999, responsible for the
1999 Indonesian legislative election in the region. On 12 October 1999, the Pelalawan Regency was established as a breakaway from the
Kampar Regency. Less than a year later, on 10 January 2000 Azmun became the chief of the development planning agency of Pelalawan. In addition to his administrative roles, Azmun was actively involved in youth and professional organizations. He was a member of the
Pramuka (Indonesian Scout Movement) in
Bangkinang and joined the Indonesian Civil Servants Corps in Bengkalis in 1986. He also became the Secretary of the Indonesian National Youth Committee (KNPI) in Bengkalis from 1987 to 1990 and the organization's chairman from 1990 to 1996. == Regent of Pelalawan and corruption case ==