Born in Vigo, Galicia, Fernández began coaching with the youth sides of hometown club Cristo de la Victoria SD.[1] In 2017, after having managerial spells at SCD Atlántida de Matamá[2] and CD Ribadelouro,[3] he joined the structure of RC Celta de Vigo, as a manager of the Alevín B squad.[4]
In July 2019, while still working at Celta's youth sides, Fernández joined Pereira's staff at Tercera División side Alondras CF, being named his assistant.[5] He continued to work with the Alevín squad in the following years, before being appointed manager of the under-23 team of Portuguese side FC Vizela on 5 July 2023.[6]
^"Iván Fernández ao leme dos Sub-23" [Iván Fernández at the helm of the under-23s] (in Portuguese). FC Vizela. 5 July 2023. Retrieved 31 July 2024.
^"Puerto Cabello se arma con un DT español" [Puerto Cabello assemble themselves with a Spanish manager] (in Spanish). Líder en Deportes. 23 July 2024. Retrieved 23 July 2024.