on 4 april 2013, aksalu signed a one-year contract with ykkönen club sjk. he made his debut for the team on 4 may 2013, in a 2–1 home win over pk-35 vantaa. sjk won the 2013 ykkönen and were promoted to the veikkausliiga. in october 2013, aksalu signed a new two-year contract with the club. on 24 august 2015, his contract was extended to 2017. aksalu won the veikkausliiga title in the 2015 season. he was named league's best goalkeeper and sjk's player of the year. aksalu was named club captain ahead of the 2016 season. on 24 september 2016, aksalu helped his team win the 2016 finnish cup by saving two penalties in a shootout against hjk in the final.