The Covid-19 pandemic that has been going on since March 2020 in Indonesia until the time this research was conducted has had a tremendous impact on all industries, including health services in general and hospitals in particular. The economic impact on health care institutions caused by the decline in patients at the beginning of the pandemic and the necessity to prepare personal protective equipment so that they must carry out efficiency and the risk of contracting disease for health workers and workers in hospitals can create feelings of insecurity (job insecurity). These feelings affect work morale (employee morale) and psychological barriers (psychological strain) of nurses as the frontline and can trigger a desire to resign (turnover intention). The online questionnaire was filled out by 110 nurses who worked in hospitals in Jakarta, Indonesia in the period leading up to the 1-year period of the Covid-19 pandemic (February-April 2021) faced by Indonesia. Classical Assumption Test with SPSS and PLS-SEM was used to determine the effect of job insecurity on turnover intention with employee morale and psychological strain as mediating variables. From the test results, it was found that job insecurity positively affects the turnover intention of nurses who work in hospitals in Jakarta. Employee morale mediates the relationship between job insecurity and turnover intention, while psychological strain is not proven to mediate this relationship. In conclusion, the turnover intention of nurses working in hospitals in Jakarta 1 year after the pandemic can be influenced by job insecurity conditions. Hospital management and policy makers also need to consider the moral and psychological aspects of health workers, especially nurses as one of the health workers on the front line