He occupied military and political positions during the Viceroyalty of Peru, being Mayor of Buenos Aires,[1] and Lieutenant governor of Santa Fe Province.

That same year he held the honorary position of Alférez Real, being responsible for carrying the Royal Standard, during the day of St. Martin, and in official ceremonies.

[10] On September 6, 1628 the City Council, gave debate about a skirmish that occurred with a Dutch warship on the shores of the Río de la Plata.

[11] Gonzalo de Carbajal served since May 21, 1622 as Lieutenant Governor of Santa Fe Province.

He also fulfilled the functions of Treasurer, Council and Royal Official in the Río de la Plata.