The “Interdisciplinary School for the Blue Planet” (ISblue) launches an international post-doctoral fellowship program. This call continues the International postdoctoral program offered by ISblue since 2019 and LabexMER before. ISblue offers creative young scientists the opportunity to develop their own research project in one of the ISblue laboratories. As part of the strong multidisciplinary ISblue community, post-doctoral fellows gain a valuable experience and new opportunities for career development in marine science and technology.