 On 13 March 2012, Jääger signed a one-year contract with Aalesund, after receiving an improved offer from his former club.On 15 July 2013, Jääger signed a one-year contract with Belgian Pro League club Lierse, with an option to extend it for another year.He made his debut for the club on 27 July, in a 1–2 home loss to Zulte Waregem.