[4] From February 2004 to April 2010 Tymchuk worked as a civil servant in the Dnipropetrovsk Oblast regional administration.

[4][2] In March 2014 she moved back to the Dnipropetrovsk Oblast regional administration where she became first (March 2014 - January 2018) Deputy Chief of Staff of the Dnipropetrovsk Regional State Administration and then from November 2020 Chief of Staff.

[4][2] The Ukrainian National Union accused Aina Tymchuk in corruption and connection with separatists and held a number of meetings in Kharkiv in summer 2021.

[5][6][7][8] On 27 November 2020 Ukrainian President Volodymyr Zelensky appointed Tymchuk Governor of Kharkiv Oblast.

[2][3][4] On 11 August 2021 Zelensky dismissed Tymchuk from this post after she had tendered in her resignation.