The conducted research falls within the basic type, aiming to address broad and universally applicable issues. In this context, basic research seeks to contribute to theoretical advancement, focusing on generating new knowledge without necessarily addressing immediate practical applications. In this study, the level of job vulnerability of workers hired under the Administrative Service Contract (CAS) modality was examined after the enactment of Law 29849. The research design was non-experimental, adopting a simple descriptive approach. Its objective was to determine the level of job vulnerability of workers hired under the CAS modality after the implementation of Law 29849 at the Regional Hospital of Huancavelica in the year 2014. The sample, selected probabilistically, included 84 workers under the CAS modality at the mentioned hospital. The main results revealed that 20% (17) of worker...