What is the difference between Collection Development Librarian vs Technical Services Librarian?

Career: Collection Development Librarian

AspectCollection Development LibrarianTechnical Services Librarian
Primary FocusSelecting and acquiring library materialsProcessing, cataloging, and maintaining library resources
Required CredentialsMaster's in Library Science (MLS) or equivalentMaster's in Library Science (MLS) or equivalent
Work EnvironmentPublic, academic, or special librariesPublic, academic, or special libraries
Key SkillsCollection analysis, vendor negotiation, knowledge of resourcesCataloging, classification, metadata management

The Collection Development Librarian focuses on selecting and acquiring library materials to meet user needs, while the Technical Services Librarian handles processing, cataloging, and maintaining those resources. Both roles require a Master's in Library Science and often work in similar environments, but their core responsibilities differ significantly.