[3] In 1997, Wilk served as an assistant coach for the Harwich Mariners of the Cape Cod Baseball League under manager Chad Holbrook.

The Mariners won the league's Eastern Division Championship before falling in the title series to the Wareham Gatemen.

On September 9, 2009, Wilk and the Hoyas were penalized by the NCAA for misusing the work study program which allowed players to receive money for jobs they were not doing.

[8] On April 12, 2021, Wilk signed with the Vermont Lake Monsters of the Futures Collegiate Baseball League and served as their manager.

[9] In his inaugural season with the club, Wilk guided the Lake Monsters to a 42-24 record, the top seed in the FCBL Playoffs, and a league championship.

[10] The Lake Monsters continued to recognize Wilk as the team's skipper during the 2024 season, under the title "Head Coach (In Memory Of).