Because of their financial situation, the club however dropped down a level as they were denied a league license by the Finnish FA[2] This proved to be a good career point for Ojala, as he went on making 58 appearances and scoring 9 goals for Oulu during the next three seasons combined in the Finnish second division.
During his final season with Oulu, he replaced the legendary Mika Nurmela as the team captain, only at the age of 18.
On 27 August 2013, it was announced that Ojala had joined German Bundesliga side HSV on loan until summer 2014, with an option to buy.
On 7 November 2019, FC Inter Turku confirmed the signing of Ojala for the 2020 season on a deal until the end of 2021.
[4] On 22 December 2023, Ojala signed with fellow Veikkausliiga side IFK Mariehamn on a one-year deal.