The purpose of this paper is to explore the relationship between job enlargement and some specific job crafting behaviors and to analyze the moderating role of self-competence. Data were gathered from 158 workers in a large retail company and analyzed through a regression methodology. We found that job enlargement is positively related to specific job crafting behaviors, such as increasing structural and social resources. Self-competence does not moderate the relationship between job enlargement and increasing structural resources; however, it does negatively moderate the relationship between job enlargement and increasing social resources.