A native of the Wilkes-Barre area, Evanchick was hired and served in the Wilkes Barre Police Department starting in 1979. He was a patrol officer for the department and after two years left for the state police.
On June 4, 2019, Evanchick was confirmed by the Pennsylvania State Senate as the next Commissioner of the Pennsylvania State Police, he had previously served as the Acting Commissioner since March 24, 2018 when he was appointed by Pennsylvania GovernorTom Wolf.[3]