Robey began her DOC career in 2004 as a correctional officer at the Kentucky State Reformatory (KSR). In 2005, she promoted to classification and treatment officer in the restricted housing unit. During this time she managed a caseload in addition to overseeing the prison's minimum-security unit.
In 2006, Robey promoted to unit administrator I and assisted in the supervision of the institution's Nursing Care Facility and a diverse general population housing unit consisting of 700 offenders. Two years later Robey was again promoted to unit administrator II where she supervised the department's most severe mentally ill offenders in the Corrections Psychiatric Treatment Unit (CPTU). She was responsible for managing the security, safety, programs, food service, education, recreation, and all support services occurring and delivered to the unit.
After leaving CPTU she transitioned back to the management of a general population unit supervising the canine program. In addition, she once again supervised the Nursing Care Facility, facing many end-of-life occurrences with the offenders. She was then appointed as the unit administrator of the institution's 130-bed restricted housing unit and the behavior modification program for offenders with long-term restricted housing sentences.
During her tenure, Robey was awarded the 2009 KSR Employee of the Year, and she is a 2014 graduate of the Commissioner's Executive Leadership Program. She earned a bachelor's degree in justice administration from the University of Louisville.