Answers informational and reference questions from customers using print and electronic resources; Assists and instructs customers in the use of print and online materials and technology; Advises and assists customers in the selection of books, periodicals, media, and other materials; Plans and provides programs and outreach to customers of all ages; Maintains collection by weeding, marketing, and merchandising library materials; Troubleshoots library computers and reports unresolved problems through proper channels; Performs copy cataloging of library materials; Identifies materials to be considered for addition to the library collection; Remains current in resources, services and technologies in the information field; May supervise volunteers; May serve as person in charge. - $87,631.65) and will not exceed the mid-point of the advertised compensation range (Compensation rules apply per Fairfax County personnel regulations for current Fairfax County Government and Fairfax County Public Schools employees).