[2][6] The studies enabled her to begin her career in the media,[7] working as an intern at EFE Radio as a newsreader, voice-over and writer for over a single year.

[5] She rejoined RTVE as an editor of the economics section of the rolling news channel 24 horas and she was a collaborator on the programme Mercados y Negocios.

She went on to become a member of the team that presented the flagship international Spanish-language news programme Diario América from September 2004 on the TVE Internacional channel.

[6][7] In 2011, she rejected an offer of a contract from the Italian businessperson Paolo Vasile to join his Spanish-owned Telecinco network as co-presenter of the weekend news bulleting on the channel alongside José Ribagorda [es] and in place of Carme Chaparro, who was pregnant.

[6] She was a guest on the episode El que mucho abarca poco aprieta for the comedy programme La hora de José Mota [es] in 2012.

[6] She was transferred co-reading the Noticias Fin de Semana with Prats broadcast at 9:00 pm starting on 9 September 2014,[10] and she began collaborating with Juan Ramón Lucas and Carlos Alsina Álvarez [es] on the Onda Cero radio programme Más de uno [es] as the current affairs correspondent in September 2016.

[11] Carrillo joined the team that presented the LaSexta programme En busca de la longevidad in which she travelled to Japan to discuss the Asian nation and the science world.

[22] She was voted the winner of the 2020 Premio Azorín accolade by the Provincial Council of Alicante and the publishing house Planeta Group for her novel La vida desnuda and attended the ceremony under the pseudonym Martina Suárez.