Members of the corrections department correctional officer force, excluding correctional specialists, shall:
A. at the time of their appointment, be citizens of the United States;
B. at the time of their appointment, have reached age of majority;
C. have at least a high school education or its equivalent;
D. be of good moral character and not have been convicted of a felony or any infamous crime in the courts of this or any other state or in the federal courts; and
E. successfully pass any physical and aptitude examination the department may require.