During his time as a state deputy, Bittencourt presided over the Education Commission of the Legislative Assembly of Rio de Janeiro.

On 5 August 2018, in an announcement made during a conference at the Niterói Contemporary Art Museum, with representatives from both Cidadania (then called the PPS) and the Democratas,[8] Bittencourt announced he was running to be vice-governor of Rio de Janeiro, with Rio de Janeiro mayor Eduardo Paes as the gubernatorial candidate.

[10] Bittencourt served as the State Secretary of Education after Pedro Fernandes Neto was dismissed from the position.

Bittencourt's official nomination occurred on 25 September 2020,[11] invited by then-interim governor Cláudio Castro (PSC).

[12][13] He assumed the position during the height of the COVID-19 pandemic, during which discussions of school students returning to classes in-person was high in the public consciousness.