The Institute for Theoretical Physics (IFT) in Madrid invites applications for PhD positions under the prestigious “La Caixa” Doctoral INPhINIT Fellowships program. This opportunity is open to talented early-stage researchers with a Master’s degree, aiming to pursue a PhD in fields such as string theory, quantum field theory, quantum information, particle physics, and cosmology. The program offers competitive salaries, dedicated budgets for short scientific visits, and funding for attending workshops. Successful candidates will work in a dynamic, internationally recognized research environment.