Innovations are crucial factors in enabling organisations to effectively adapt to rapid changes in the working environment and to gain a competitive advantage. Employee’s career success increases when they are applying innovative work behaviors. This study attempts to examine the relationship between innovative work behaviors (opportunity exploration, idea generation, idea promotion, idea realisation & reflection) and subjective career success among employees in selected private organisations at Kuching, Sarawak. A quantitative research design was utilized for this study. Data were collected by simple random sampling with 123 completed questionnaire were successively collected. The findings of this study were analysed using Pearson Correlation Analysis and Multiple Linear Regression (Stepwise). Results revealed that there are statistically significant relationship between(opportunity exploration, idea generation, idea promotion, idea realisation & reflection) and subjective career success. Furthermore, result show that idea realization is the highest significant predictor towards subjective career success. The findings of this study provide significant information for HRD practitioners emphasise to establish an environment that support innovation in order to make the greater experience of subjective career success.