Mauskopf began her legal career in 1982 as an assistant District attorney in the New York CountyDistrict Attorney's Office, a position she held until her appointment as New York State inspector general in 1995. Among other positions in the office, Mauskopf served as chief of the Frauds Bureau.[1] She was also a deputy chief of the Special Prosecutions Bureau.
Federal judicial service
She entered service as a United States district judge in the Eastern District of New York in October 2007. Mauskopf was nominated by President George W. Bush on January 9, 2007 upon the recommendation of Governor George Pataki. On October 4, 2007, the United States Senate confirmed Mauskopf by unanimous consent. She received her commission on October 18, 2007.[1] She became chief judge on January 26, 2020, after Dora Irizarry assumed senior status, and served in that capacity until February 1, 2021. She retired on January 31, 2024.[1] Since her retirement, she joined a law firm, Bracewell LLP in New York.[2]