Sydneysider Ascroft, who spent three years with the Mariners from 2015 to 2018, has joined the newly promoted League of Ireland Premier Division side.

A defender or midfielder, the 23-year-old was a junior with Bankstown City.

After two seasons in Holland with VVV-Venlo Ascroft returned home in 2015 to sign for the Mariners.

He made 35 appearances for the A-League outfit, scoring four goals, before heading back to Europe with Maltese club Balzan in January last year.

Ascroft represented Australian once at Under-20 level in 2014.

Fellow Australian Jacob Borg will be a teammate of Ascroft's at Finn Harps.