The hiring for the library is handled by the City of Baton Rouge Human Resources Department. On the site you'll find listings of available positions, qualifications needed and the application form. You can also call them at 389-3141 or 389-3132.
Unfortunately, without an MLS/MLIS one is not eligible for librarian positions. However, there are a number of other positions including Library Technician, Library Aide, and Library Page, and other clerical duties that you may apply for. All official job descriptions are listed at the City of Baton Rouge Human Resources Department website listed above.
