He spent 11 of his 19 years as a professional with Porto, appearing in 474 competitive games with the club and winning 19 major titles.

He represented local Sport Club Internacional in his country, helping the Porto Alegre side to three state leagues and the second position in the 1987 edition of the Série A, named Copa União in that year.

With the exception of his final season he never appeared in less than 28 matches in the Primeira Liga, being one of only five club players to win five consecutive national championships.

Aloísio retired from football in June 2001 at nearly 38 years of age, having won seven leagues, five cups and seven supercups with his main club and appearing in more than 400 official matches.

Having begun working under him in January 2002,[5] he was part of José Mourinho's coaching staff in the 2003–04 campaign as Porto won both the domestic and the UEFA Champions League; after one more year, now as assistant to Spaniard Víctor Fernández,[6] he was appointed head coach of the reserve team in the third division.