| ردیف | Year | Assignment | Place |
| 1. | 1993 | Human rights expert with the Human Rights Departmen | The Ministry of Foreign Affairs |
| 2. | 1996 - 1994 | International expert with the UN Department | The Ministry of Foreign Affairs |
| 3. | 1999 - 1996 | Deputy permanent representative of Iran | The Executive Council of the Organization for the Prohibition of Chemical Weapons |
| 4. | 1999 - 1996 | Political expert | Iran’s embassy at The Hague and member of Iran’s diplomatic delegation at the Organization for the Prohibition of Chemical Weapons |
| 5. | 2000 - 1999 | Political expert | The National Authority for Chemical Weapons Conventions of the Ministry of Foreign Affairs |
| 6. | 2002 - 2000 | International expert | The Disarmament and International Security Department of the Ministry of Foreign Affairs |
| 7. | 2006 - 2002 | First counselor | Iran’s diplomatic mission at the United Nations |
| 8. | 2013 - 2006 | Head of the Disarmament and International Security Department | The Ministry of Foreign Affairs |
| 9. | 2013 | Deputy Director General for International Political Affairs | The Ministry of Foreign Affairs |
| 10. | 2018 - 2011 | Iran’s Ambassador and Permanent Representative | The International Atomic Energy Agency, IAEA, in Vienna |
| 11. | | Director General for International Peace and Security | |
| 12. | | | |