Born in Burgos, Castile and León, de los Mozos started his managerial career at Vadillos CF's youth setup.
[2] He subsequently had spells at CF Norma San Leonardo and Mérida UD, the latter as Fabri's assistant, before returning to Burgos in July 2008 now as a head coach.
[13] After the appointment of Claudio Barragán de los Mozos returned to his previous duties, but after the latter's dismissal on 18 January 2017, he was again named manager.
[19] Remaining in the Province of Badajoz, de los Mozos was hired on 28 November 2021 at Mérida AD, who had started their season in the same division with poor home form.
[20] He left for personal reasons after four games, despite his last fixture yielding his only points, a 2–0 home win over UD Las Palmas Atlético on 9 January.