Trinidad's senior career started with Banfield in 2014, and he made his professional debut on 31 March in a Primera B Nacional match with Patronato.[1] That was his only appearance in the 2013–14 season, which Banfield ended as champions.[1] He scored on his top-flight debut on 16 August in a defeat to Defensa y Justicia, prior to scoring again four games later versus Belgrano.[1][2] Throughout the three seasons after his debut, Trinidad made twenty appearances for Banfield.[1] In July 2016, Trinidad joined Brown of Primera B Nacional on loan.[1][3] He returned to Banfield a year later after thirteen matches.[1][4]