Goalkeeper Nick Suman is to articulation Aberdeen arsenic escaped cause successful June erstwhile his declaration with Cove Rangers expires.
The 25-year-old Australian has spent 2 seasons astatine Balmoral, making 59 appearances for the League One side.
With Ross Doohan and Tom Ritchie moving on, fig 1 prime Dimitar Mitov had been the lone goalkeeper remaining successful the Dons squad.
"He is simply a goalkeeper with a commanding presence, a beardown grounds for cleanable sheets and helium has demonstrated fantabulous qualities during his clip successful Scottish football," said Aberdeen manager Jimmy Thelin.
"Nick had involvement from different clubs, but we powerfully judge this volition beryllium the close situation for him to instrumentality the adjacent measurement successful his career. He volition beryllium a invaluable summation to our squad and volition supply steadfast contention for the fig 1 spot."