After the Islamic Revolution, in 1980 he joined the Political Directorate of the Ministry of Foreign Affairs and after going through training in various fields, in 1981 during Ali Akbar Velayati’s term as Minister of Foreign Affairs, he was appointed Head of the Consular Department (Personal Status and Registration) and served in this position until 1986. In the same year, Mirfakhar was appointed as the Ambassador of the Islamic Republic of Iran in Indonesia. During his ambassadorship to Indonesia, he was the source of outstanding services regarding cultural development.