| ردیف | Years of service | position | Service location |
| 1. | October 1986 to June 1988 | Legal Expert at the General Legal Department | |
| 2. | June 1988 to June 1991 | Third Secretary at the Islamic Republic of Iran’s Embassy in New Delhi, and the embassy’s representative to the Asian-African Legal Consultative Committee (AALCC) | |
| 3. | June 1991 to January 1992 | Disarmament expert at the Department for UN Affairs | |
| 4. | January 1992 to April 1993 | Deputy Director of the Department for UN Affairs | |
| 5. | January 1992 to January 1994 | Acting Director of the Department for UN Affairs | |
| 6. | January 1994 to October 1999 | Advisor to the Permanent Mission of the Islamic Republic of Iran to the UN in New York, Iranian Representative to the UN Disarmament Commission | |
| 7. | October 1999 to April 2000 | Acting Director of the Secretariat of the Islamic Republic of Iran’s National Authority tasked with the implementation of the Chemical Weapons Convention April 2000 to October 2001: The Foreign Minister’s Chief of Staff | |
| 8. | October 2001 to July 2005 | The Islamic Republic of Iran’s Acting Representative to the Organisation for the Prohibition of Chemical Weapons (OPCW) | |
| 9. | July 2005 to November 2009 | Secretary of the Islamic Republic of Iran’s National Authority tasked with the implementation of the Chemical Weapons Convention | |
| 10. | November 2009 to November 2012 | Director General for International Political Affairs | |
| 11. | November 2012 to January 2017 | Ambassador and Deputy Head of the Permanent Mission of the Islamic Republic of Iran at the United Nations | |
| 12. | January 2017 to January 2018 | Director General for Political and International Security Affairs (International Experiences) | |
| 13. | January 2018 to date | Deputy Foreign Minister for Legal and International Affairs | |