K. Kasymgaliev has served as the first deputy general director of Kazakhoil Aktobe LLP.
He worked as the head of the oil and gas production department, the director of the oil and gas production department, the managing director for field development, and the deputy general director for production at "Embimunaygaz" JSC. He served as the director of the Oil and Gas Production Department of NC "KazMunayGas" JSC.
He started his career in 2001 as an oil and gas production operator at the Karaton field at Kazakoil-Embi JSC.