[3] Puhulyaiko worked as a district police inspector, detective officer of the branch of the State Service for Combating Economic Crime of the Krasnodon city department of the Ministry of Internal Affairs of Ukraine in the Luhansk Oblast.

He served in the positions of privates and commanding officers in the internal affairs bodies of the Ministry of Internal Affairs of Ukraine in the Mykolaiv, Dnipropetrovsk, Chernihiv and Luhansk Oblats, then in the National Police.

[3] He served in the tax police of the Main Department of the SFS of Donetsk region.

Pohulyaiko held the position of First Deputy Head of the Luhansk Regional State Administration, since 22 August 2019.

[3] On 30 October 2019, at an extraordinary session, members of the Volyn Oblast Council approved an appeal to the President of Ukraine, in which they disagreed with the personnel decision of the Cabinet of Ministers of Ukraine to approve the appointment of Pohulyaiko as the Governor of Volyn Oblast.