Fessler served as a depth piece for Penn State from 2014-17.
The matchup is one of several reported or announced games for the Nittany Lions in the 2024-25 season.
John Harrar, Sam Sessoms, and Joshua Reaves were the first announced additions to the roster.
Lipka replaced 13-year Nittany Lion head coach Jeff Zinn, who retired after the 2024 season.
Doherty joins with experience at all levels, most recently from Louisville and Racing Louisville FC.
The Nittany Lions will kick off their season on Thursday, September 26.