Mário Jorge began his career as a futsal coach of Helênico Atlético Clube in 1997. He left the club in December 2010, and became a coach of Madureira's futsal team; prior to that, in the previous August, he also began working as a scout at Audax Rio.
Mário Jorge was also a coach of Audax's under-15 football squad while working as a futsal coach of Clube Bradesco. On 15 January 2015, he became the new head coach of the under-15 squad of Vasco da Gama.[1]
On 20 April 2016, Mário Jorge left Vasco to take over the under-13 team of Flamengo.[2] He subsequently worked in the club's under-14, under-15, under-17 and under-20 squads before taking over the first team for the opening match of the 2023 season, a 1–0 Campeonato Carioca win over former club Audax, as the under-20 squad was utilized.[3]
Mário Jorge was back in charge of Fla during a 1–1 draw against Bangu on 24 January 2023, as the first team was resting for the 2023 Supercopa do Brasil.[4] After returning to the under-20s, he became an interim head coach of the club on 11 April, after Vítor Pereira was sacked.[5]
Mário Jorge was ahead of Flamengo on two occasions: a 2–0 loss to Maringá and a 3–0 win over Coritiba before returning to the under-20 team after the appointment of Jorge Sampaoli. He again became an interim on 28 September 2023, after Sampaoli was dismissed.[6]