Altamirano's senior career started with
Belgrano, having been signed from Quilmes de Villa Allende. In 2017, Altamirano was loaned to
Torneo Federal B club
Las Palmas. Fifteen appearances followed. Back with Belgrano in 2018,
Lucas Bernardi moved the midfielder into his first-team squad for the
2018–19 Argentine Primera División campaign, selecting him as an unused substitute in a league win over
Estudiantes on 24 August. ==Career statistics==