he spent one more season with villa dálmine, 2015, which included eight appearances, he then returned to chacarita ahead of 2016 campaign. in 2016–17, fernández played nineteen times as the club won promotion to the primera división. he subsequently made his top-flight debut on 10 september 2017 against tigre. fernández's 100th career appearance came on 4 march 2018 during a draw away to river plate. fernández terminated his contract with the club in january 2019, eight months after they returned to primera b nacional, prior to joining an san martín of the primera división.