In 1995 after graduating from 27 high school in Semipalatinsk IskakovArnalNagumarovichentered the Almaty Academy of the Ministry of Interior of the Republic of Kazakhstan.
In 2000, after graduation he was appointed adetectiveof theInvestigation Department in the region of Saryarka in the city of Astana.
On the 40th anniversary of the Day of the Investigation (5 April 2003) ArnalNagumarovichahead of timewas awarded the special title of "police captain" for high results in operational activity.
In 2004 ArnalNagumarovichbegan to work as a detective in the Department of Internal Affairs at the airport of Astana.
In 2010 he changed his workplace for the Central Department of Transport Internal Affairs. During his work he was encouraged a number of diplomas from Ministry and the Central Department, he was given cash prizes too.
For ensuring public order protection during the political events (OSCE summit) he was awarded a medal from Ministry of Internal Affairs.