In 2012, Judge Rosado was elected to the Civil Court of Bronx County and was assigned to Bronx Family Court where she presided over custody, visitation, guardianship, paternity and family offense petitions. She was Co-Chair of the Custody, Visitation, & Family Offenses Taskforce. In 2016, she was transferred to Bronx Supreme Court and presided over consumer credit cases and contested and uncontested divorces. In 2017, Judge Rosado began to preside over matrimonial actions, personal injury cases, and mental health proceedings in Bronx Supreme Court as an Acting Justice. In 2018, Judge Rosado was elected Justice of Supreme Court, Bronx County. Judge Rosado serves on the Matrimonial Curriculum Committee for the New York State Judicial Institute and the Gender Fairness Committee for the 12th Judicial District. Since 1999, Judge Rosado has been teaching law classes as an adjunct professor at Eugenio María de Hostos Community College.
Judge Rosado is a member of N.Y.C. Family Court Judges Association, the Bronx Bar Association, the Bronx Family Court Bar Association, the Bronx Catholic Guild, the Dominican Bar Association and the Puerto Rican Bar Association. Judge Rosado is a board member of the Bronx Women's Bar Association, the NY chapter of Association of Families and Conciliation Courts, the Latino Judges Association, and the Thurgood Marshall Junior Mock Trial Competition Advisory Board. Judge Rosado volunteered as a coach for the Thurgood Marshall Mock Trial Competition and her respective teams won the Thurgood Marshall Mock Trial Competitions in 2013 and 2016.