[1] Hamim studied at the maths and natural sciences faculty of the Brawijaya University from 1989, but dropped out in 1991 to pursue a career in the military.
[3] After graduating from the Indonesian Military Academy, Hamim was posted as a platoon commander in the 3rd Air Defense Artillery Battalion.
He later returned to the 3rd Air Defense Artillery Battalion as a junior officer after several years in the Special Forces Command.
[1] Following his service in the battalion, Hamim was moved to the army artillery center, where he was entrusted to lead the air defense research and development section.
[4] He was later replaced on 6 November 2013[5] and was transferred to the Indonesian Military Academy as the head of the social and linguistics department on 23 September 2014.
From there, he was moved to South Sulawesi and became the assistant for intelligence affairs in the province's military region from 2020 until 26 March 2021.
In response to the hacking incident, Hamim announced that the army would improve their cyber security.