This service provides support for the CERN Search engine that indexes a wide range of CERN document collections (CERN Web pages, CDS, Indico, Twiki, People, Groups, and JIRA). CERN Search is offered via the portal and also provides the backend search functionality for Indico and Twiki). Operational activities include running, maintaining and supporting the CERN Search server infrastructure and the interaction with the providers of the different CERN document collections