Jubouri was born on 28 October 1956 in Qayyarah, south of Mosul. He received his primary education in Samarra and Kut. He joined the military college in 1976 and graduated from the rank as first lieutenant later in 1979. He participated in Iran–Iraq War and the 1991 Gulf War. He continued to serve in the military until the US invasion of Iraq and subsequent fall of the Hussein regime in 2003.