Objective: This study aimed to examine the moderating effect of parent support on the relationship between child-care efficacy and job satisfaction among child-care providers. Methods: The study involved 192 child-care providers from G Metropolitan City. Survey were conducted using questionnaires assessing child-care efficacy, job satisfaction, and parent support. Data were analyzed using SPSS 21.0, with correlation and hierarchical regression analyses. Results: The results were as follows. First, higher levels of child-care efficacy and parental support were associated with greater job satisfaction. Additionally, a positive correlation was found between child-care efficacy and parental support. Second, parental support moderated the relationship between child-care efficacy and job satisfaction. Conclusion/Implications: This research is expected to provide foundational data for developing policies that benefit children, families, and child-care providers by identifying key factors influencing job satisfaction and clarifying the relationships among these factors.