Topics of project management and sustainability have been addressed by countless studies, but research focusing on the intersection of these topics are needed. This research looks at sustainability through the triple-bottom line perspective: economic, social, and environmental. It aims to identify key aspects of sustainability in project management context and to understand its importance based on project managers' lens. A systematic literature review merging bibliometric and content analysis was applied toward an understanding of the key topics. Further, a survey of project managers was performed and analyzed through exploratory factor analysis. The results show that four factors stood out: Sustainable Innovation Business Model, Stakeholders Management, Economic and Competitive Advantage, and Environmental Policies and Resources Saving. Display omitted •We identified the variables on sustainability in project management.•These variables were clustered in four factors that explain 70% of the variability.•The key factors include strategic and tactical issues.•The factors are explained concerning corporate and academic context.