Objective: The aim of this research is to examine the role of effective leadership on subjective career success mediated by career excellence and perceived organizational support.

Method: This applied research is descriptive in nature and correlational, using structural equation modeling. The statistical population of the study consisted of fourth-grade teachers in Khorramshahr (290 individuals), from which 277 were selected through stratified random sampling using the Krejcie and Morgan table. Data were collected using questionnaires on effective leadership Sahatchi & Azizpour, subjective career success Shoqeili et al, career excellence Slemp & Wellabrodrick and perceived organizational support Eisenberger. The data were analyzed using Pearson correlation and structural equation modeling through SPSS 23 and Lisrel 8.8.

Findings: The results of structural equations showed that effective leadership has a positive and direct effect on career-subjective success (0.63), effective leadership on career excellence (0.61), effective leadership on perceived organizational support (0.52), career excellence with career-subjective success (0.49), perceived organizational support on subjective career success (0.59). Also, effective leadership has a significant and indirect effect on subjective career success with the mediating role of career excellence with a coefficient of (0.29) and effective leadership has a significant and indirect effect on subjective career success with the mediating role of perceived organizational support with a coefficient of (0.30).

Conclusion: Based on the findings, to create subjective career success, it is recommended to implement an effective leadership style and to provide the conditions for career excellence and perceived organizational support.