Badjadja served as the Director of the Archive Department of Constantine from 1974–1991, and then Director of the National Library of Algeria from 1991-1992. He was the Director General of the National Archives of Algeria (Archives Nationales d'Algerie) from 1992-2001. He currently serves as the Consulting Archivist at the Information and Research Center, at the Presidency in Abu Dhabi, United Arab Emirates.
International biographical directory of national archivists, documentalists, and librarians / edited by Jeffrey M. White, Todd J Kosmerick, Laurie Scrivener ; compiled by Susan Houck. 2nd ed. Lanham, Md. : Scarecrow Press, 2000.
International Counsel of Archives member directory: