Archaeologist at various museum, Sweden, 1973—1976. Archaeologist County Museum Norrbotten, 1976—2006. Assistant professor, department archaeology and ancient studies University Lund, Sweden, 2002—2006, associate professor, 2002—2005.
Associate professor, department archaeology University Tromsø, Norway, 2006. Professor, department archaeology and religious studies Norwegian University of Technology and Science, Trondheim, since 2007.