Please click here to download the latest version of Flash Player to view the match centre.
Jack joined the Reds' Academy at the age of 13 and has gone on to represent Scotland at U16 level.
He can operate comfortably in the right-back or right-sided centre-back role.
The 2012-13 campaign was a difficult one for Jack, as he broke his ankle early on. However, the youngster recovered to line up for the U18s at the end of the season.