Oversee operations for two botanical and horticultural research libraries, including collection development, acquisitions, cataloging, reference services, interlibrary loans, statistics, budgeting, records, conservation, and de-accessioning. Provide research assistance and user training, maintain library technologies and special collections, supervise volunteers, manage donations, and prepare reports. The role requires an ALA-accredited MLS or MLIS and at least three years of library experience.