- Public and Revolutionary Prosecutor, Shiraz (Fars Province) (Feb 2007 - Nov 2011)
- Head of branch 1 of the General Criminal Court, Shiraz (Fars Province) (March 2001 - Unknown)
- Head of branch 22 of the court of appeal, Fars Province (Nov 2011 - present)
On 10 October, 2011, the European Union placed 29 Iranian officials on the human rights sanctions list, including Jaber Banshi, for their role in widespread and gross violations of the rights of Iranian citizens. According to the decision, Banshi will be barred from entering the countries of the union and all his assets will be confiscated in Europe. According to the EU statement, Jaber Banshi, the Shiraz prosecutor, is responsible for excessive use of the death penalty.