Gwinnett County Deputy Dennis Day was arrested after an internal investigation about Day inappropriately touching three inmates.
According to reports, the alleged incidents took place between July 8, 2014 and April 4, 2015.
An inmate called the Investigative Services Division Tip Line to report the alleged misconduct.
Day is charged with three counts of violation of oath of office and three counts of sexual assault against a person in custody.
His employment has been terminated and he is currently being held at the Gwinnett County Jail with no bond.