Mirza Jafar Khan Moshir od-Dowleh ( Persian : میرزا جعفرخان مشیرالدوله ; 1790s – November 1862), also known as Mohandes Bashi ( مهندس‌باشی ), was an Iranian politician, who was the head of the Council of state from September 1858 until his death in November 1862. His office was similar to the prime minister office, which was vacant during his tenure.