He had completed his military service as an artilleryman in the First Nagorno-Karabakh War. In this war, he had fought in the battalion of Aliyar Aliyev, a National Hero of Azerbaijan. After military service Gasimov entered the Azerbaijan Higher Military Academy in 1993 and after 2 years graduated this academy. He had served in Nakhchevan from 1995 to 2009 and after 2009 till 2010 in Balakan. In 2010 he was voluntarily assigned to Fizuli District. He was also veteran of 2016 Nagorno-Karabakh conflict. For his involvement in this conflict he was awarded the Azerbaijani Flag Order by the decree of the Azerbaijani President Ilham Aliyev. Gasimov was especially active in breaking the "Ohanyan Line" during the clashes. He was killed on 27 September in the early stages of the 2020 Nagorno-Karabakh war. He was the first high-ranking officer who was killed during 2020 Nagorno-Karabakh war from Azerbaijan side.