After a period as a sports commentator on Rede Minas, Oliveira began his coaching career at Atletico Mineiro the basic category and stayed there for a long time. Was coach of the professional team 6 times, the last between August and December 2008. In 25 games running the athletic, secured one of the vacancies for the Copa Sudamericana 2009. Following, he went to Emerson entry lion.
In 2010, he was hired to coach the Ipatinga. After the 2-0 defeat to Paraná, Marcelo Oliveira was fired. In the same year he took command of Paraná Clube, leaving the team in October. On November 18 it was announced as the new coach of Coritiba for the 2011 season, replacing Ney Franco. Its passage through Coritiba was the longest and most successful of his career so far leading the team to two state titles and two finals of the Copa do Brazil. He was fired after the 3-0 defeat to the Portuguese on 5 September 2012.
In Thigh, Marcelo led the team to the title Paranaense Championship undefeated with 20 wins and 2 draws. Between February 3 and May 5, achieved the world record of 24 consecutive victories, recognized by Guinness. It reached the end of the Brazil Cup, lost in away goals rule. In the Brasileirão, finished in 8th place, classifying the South American club to 2012. On November 16, extended his contract with Coritiba until the end of 2012.
It began in 2012 and champion Paranaense Championship, after defeating his arch-rival Atletico-PR in the final. On March 1, in the game where the thigh beat Toledo 1-0, Oliveira reached the mark of 84 games heading the team, thus joining the list of 10 technicians who sometimes more led the team. Also in March, Marcelo was considered by the Institute of Football Coaching Statistics the best coach of Brazil and the 14th in the world in the previous 12 months. On 6 May, Marcelo completed 100 games commanding Coritiba in the 2-2 draw in the first Atletiba of the state decision, held off casa. came in the final of the Brazil Cup, which was played against Palmeiras after Thigh have eliminated the National-AM in Round 1, the ASA in the subsequent phase, the Paysandu in the second round, the victory in the quarterfinals and São Paulo in the semis. The Coritiba Paraná was the only representative in the Brazilian Championship First Division in 2012. The thigh also played in the South American this year. In September, after a series of poor results, Marcelo Oliveira was dismissed from Coritiba. Marcelo played 131 games, getting 74 victories, 25 draws and 32 defeats, reaching a utilization of 62.8%.
After being fired by Vasco da Gama, he was hired by Cruzeiro few weeks later. In the beginning there was suspicion of the crowd because the coach did great history with Atletico Mineiro shirt when he was a player, but that impression was reversed. His debut for the team was the opening of the State Championship game, on February 3, 2013 against the biggest rival Cruzeiro. The Sky team won Atletico Mineiro 2-1 in a game that marked the reopening of the legume.
On November 13, 2013, accounting for 59 games for Cruzeiro (45 wins, 6 draws and 8 losses), Marcelo Oliveira led Cruzeiro to the title A Series of Brazilian Soccer Championship, transforming the mining club in the early champion in the era points corridos. Six days later, Oliveira extended his contract for another year with the club at the end of the season, was elected by the Brazilian Football Confederation best coach Campeonato.
In 2014, Oliveira led the club in the Mineiro Championship winning form. On June 27, during friendly match against America of Mexico, Oliveira celebrated 100 games in charge of the heavenly staff as the best performance coach in club history. In 100 games, they were 69 victories, 16 draws and 15 defeats. A utilization of 74.44%.
On 23 November, in advance won the second title of the Championship in cruise control with the victory over Goiás 2 to 1:13 On December 1, was voted the league's top coach, integrating 'League Selection Crack the Award Brasileirão.
On March 23, 2015, after the match against America-MG by the State Championship, won by 2-0, Marcelo Oliveira reached the hundredth victory in 152 games commanding the cruise staff. With a utilization of 72.1%, he became the coach with the best performance in the history of club.
On June 2, 2015, Marcelo is fired after consecutive poor performance of the club until the fourth round of the Football Championship 2015 - Series A and elimination in the Copa Libertadores 2015, after a defeat by Argentine club River Plate by 3-0 in Mineirão on May 27, 2015, and the club hires Vanderlei Luxemburgo.
On 10 June 2015, Palmeiras signed Marcelo to be their coach after they fired Oswaldo de Oliveira. Marcelo was sacked on 10 March 2016.
Marcelo Oliveira is married and is Roman Catholic.Coritiba
Campeonato Paranaense: 2
Campeonato Brasileiro Série A: 2
Campeonato Mineiro: 1
Copa do Brasil: 1