The Institute for Theoretical Physics (IFT) in Madrid offers PhD positions under the prestigious “La Caixa” Doctoral INPhINIT Fellowships program. This opportunity is aimed at early-stage researchers in various fields of theoretical physics, including string theory, quantum field theory, and cosmology. Successful candidates will engage in research within a highly dynamic environment accredited with Severo Ochoa and María de Maeztu excellence awards. The fellowship provides competitive salaries, research budgets for scientific visits, and funding for workshops and schools.