The executive secretary shall possess the following qualifications: he or she shall be of good moral character and shall be a trained and experienced librarian holding a degree from some standard college or university. In addition, he must have completed the required course in a recognized or accredited school of library science and have had at least five years' experience as an administrative librarian or director of some state or public library serving a populated area of not less than fifty thousand inhabitants.
La. R.S. § 25:7