A product of the Paok Youth System in his own country, Kiziridis played for Irakli and Volus before he joined Zlat Moovse in Slovakia two years with Zlatan Moovse.
In 2022, he moved to Debrich and helped them third on Hungary’s top flight and played in the conference.
This season, the third top scorer on Slovakia’s tour – Four goals behind the Tigran Barsigh and David Strelik, both in champions Slovan Bratislava – when Zmplin left the tournament narrowly after the divorce.
Kierziridis will be the second player to sign Harts on an agreement ahead of the new season, with Norwegian right-wing rightegier Christian Burchrivinki ready to arrive in Valernaga.
The Greek side’s first deal was announced after Derrick McKinnez’s move from Kilmarnok to Tyncastle on Monday.