She made her debut at the age of 15 in Club San Fernando team, becoming champion. In 1991, at the age of 18, she was a member of the Argentine national team that won the gold medal at the Pan American Games in Havana, Cuba. In 1993 she was Junior World Champion and in 1994 she was World Sub-champion in Dublin (Ireland). In 1995 she won her second Pan American Gold Medal.
In 2004 she returned to the National Team after being a mother for the first time and she obtained the bronze medal at the Olympic Games in Athens and that same year she obtained third place in the Champions Trophy.[1]
In September 2022, Boca Juniors announced the club would open a field hockey section for men and women.[4] In May 2023, the club inaugurated a hockey field, with Oneto, a lifelong Boca fan, as part of the project. She was appointed manager of "Boca Juniors Hockey" section.[5]
