Omarov was born at a railway station in the village of Utrabat. From 1986 to 1988, he served in the Soviet Army. In 1995 Omarov graduated from the Plekhanov Russian University of Economics with a degree in economics. In 2001 he graduated from the KAZGUU University with a degree in law.
From 1995 to 1996, Omarov was a specialist and the head of the department of the National Commission of Kazakhstan. In 2001 he became the head of department of the Food Contract Corporation CJSC. From 2001 to 2006 he served as the company's director of the Department and the Managing Director. In 2006 Omarov became the Vice President of Food Contract Corporation JSC. From 2007 to 2008 he served as the deputy head of the Household Management Department of the Parliament at the Office of the President of Kazakhstan. In 2008 Omarov became the state inspector of the Department of State Control and Territorial Organizational Work of the Administration of the President. From 2011 to 2014 he was a member of the Accounts Committee for Control over Execution of the Republican Budget.[1]
On 1 April 2014, Omarov was appointed as the Vice Minister of Agriculture of Kazakhstan.[2] He served that position until he became the member of the Mäjilis shortly after the 2016 legislative elections.[3]
On 25 February 2019, Omarov was appointed as the Minister of Agriculture after the previous government was dismissed.[4][5] On 10 July 2021, President Kassym-Jomart Tokayev called for resignation of Omarov, citing his failure in dealing with a drought which severely affected the Mangystau and Kyzylorda regions that resulted in deaths of cattle and the inflated prices for livestock products.[6][7] That same day under a presidential decree, Omarov was relieved from his post.[8][9] From there, he was subsequently replaced by Erbol Qaraşukeev whom became an acting Agriculture Minister.[10][11]