The duo are back in the fold after missing the Confederations Cup to join established stars including Neymar and Thiago Silva, but Ronaldinho and Kaka miss out
The Confederations Cup winners suffered a surprise defeat to Switzerland last time out but will be looking to make amends in the two matches on September 7 and September 10.
Ramires was not part of the successful tournament earlier this summer after a dispute with the national side after missing games against Italy and Russia.
The stand-off was eventually resolved after Chelsea apologised for a miscommunication in passing on a message to say he was injured and now the player is back in the squad.
Defender Maicon, who joined Roma from Manchester City this summer, is picked for the first time in over two years having not represented his country since the 2011 Copa America defeat to Paraguay.
Barcelona star Neymar and national team captain Thiago Silva are both amongst the 22 players selected for the two games, while Julio Cesar is also picked despite having not played for QPR this season with his club future remaining uncertain.
Ronaldinho and Kaka are amongst a host of star-studded names not listed in the squad.
The Selecao face Australia in Brasilia before travelling to the United States to meet Portugal on neutral ground as their preparations for next summer’s World Cup continue.
Goalkeepers: Julio Cesar (QPR), Jefferson (Botafogo)
Defenders: Daniel Alves (Barcelona), Maicon (Roma), Marcelo (Real Madrid), Maxwell (PSG), Thiago Silva (PSG), David Luiz (Chelsea), Dante (Bayern Munich), Henrique (Palmeiras)
Midfielders: Fernando (Shakhtar Donetsk), Hernanes (Lazio), Luiz Gustavo (Wolfsburg), Paulinho (Tottenham), Ramires (Chelsea), Oscar (Chelsea)
Attackers: Jo (Atletico Mineiro), Lucas Moura (PSG), Hulk (Zenit), Bernard (Shakhtar Donetsk), Fred (Fluminense), Neymar (Barcelona)