In the following year, he moved abroad with Spanish side FB Redován CF in the Primera Regional de la Comunidad Valenciana, but retired in 2008 at the age of just 25 after a knee injury.
[1] After retiring, Fernández joined Fabio Radaelli's staff at Tigre's youth categories, and later worked for six months with Central Norte.
[2] In June 2017, he returned to managerial duties after taking over the reserve side of Defensa y Justicia,[1] and was named interim manager of the first team on 25 September, after the resignation of Nelson Vivas.
[9] On 12 November 2021, Fernández announced his resignation from Agropecuario,[10] and was appointed Ferro Carril Oeste manager on 28 December.
[18] On 5 January 2024, he agreed to return to Chile after being named at the helm of Unión La Calera,[19] but left by mutual consent on 27 May.