Aguilera began his career playing for
River Plate Montevideo, from 1980 to 1982. From 1983 to 1985 he played in
Club Nacional de Football, then passed to
Independiente Medellín (1985), returned to Nacional (1986),
Racing Club of Argentina (1986), again in Nacional (1987), and
Tecos of Mexico (1987–88). In 1988, he went to Europe to play for Italian clubs
Genoa C.F.C. (1989–92), and then
A.C. Torino (1992–94). He returned to
C.A. Peñarol in 1994, where he played until 1999, finishing a brilliant career. Whilst at Genoa he memorably scored two goals at
Anfield to knock
Liverpool out of the
1991–92 UEFA Cup. In his second phase with Peñarol, he was
Uruguayan Champion in
1994,
1995,
1996,
1997, and
1999. ==International career==