She began her legal career as an assistant district attorney in Tarrant County, Texas, from 1995 to 1996.

From 2002 to 2005, she was an assistant United States attorney in the Northern District of Georgia.

[1][2] On December 19, 2013, President Barack Obama nominated Ross to serve as a United States district judge of the United States District Court for the Northern District of Georgia, to the seat vacated by Judge Charles A. Pannell Jr., who assumed senior status on January 31, 2013.

[5] On November 12, 2014, Senate Majority Leader Harry Reid filed for cloture on her nomination.

On November 17, 2014, the United States Senate invoked cloture on her nomination by a 66–29 vote.