Ferguson began her career with the Department of Corrections in 2003 as a correctional officer at Eastern Kentucky Correctional Complex (EKCC). In 2004, she was promoted to classification and treatment officer. Ferguson remained in that position until 2010, when she was promoted to unit administrator where she worked in reentry, meritorious housing, minimum security, restrictive housing, and general population. She assisted with opening the first reentry dorm at EKCC and was the transfer coordinator for the institution. While at EKCC, Ferguson was also on the Hostage Negotiation Team (HNT).
In 2016, she was promoted to program administrator in the Office of Adult Institutions where she was the Central Office Critical Incident Management (CIM) coordinator and worked on various projects for the department until her promotion to deputy warden.
A 2003 graduate of Eastern Kentucky University, Ferguson earned a bachelor's degree in social work. She is a 2007 and 2012 graduate of the Commissioner's Executive Leadership Program.
Ferguson received a DOC Achievement Award in 2006 and Supervisor of the Quarter in 2013 from EKCC. She is also a member of the Kentucky Council on Crime and Delinquency and the Correctional Peace Officers Foundation.