This study aimed to identify the relationship between optimism and the quality of career life of teachers in the Sultanate of Oman, to identify the levels of optimism and the quality of their career life and to reveal the differences in the levels of these variables among the study sample according to the gender variable, and the study adopted the relational descriptive approach, and it was applied on a random sample consisting of (275) male and female teachers from three educational governorates in the Sultanate of Oman, namely the Governorate of Muscat, the Governorate of South Al-Batinah and the Governorate of North Al-Batinah, where the Arab List of Optimism Scale prepared by Abdul Khaleq (1996) was applied to them and the Quality of Job Quality Scale prepared by Abu Yunus (2013), and the (T) test was used for two independent samples and several descriptive statistics.
The study found several results, the most important of which are: that the level of optimism among teachers in the Sultanate of Oman is very high, and the level of quality of career life is high, and the results of the study showed that there is a statistically significant positive relationship between optimism and the quality of career life, and that there are differences in the level of quality of career life of male and female teachers for the benefit of female teachers. Based on the results of the study, the researcher recommended a set of recommendations and suggested conducting more studies on the topic of teachers 'optimism and its impact on students' achievement level, and the quality of teachers 'career life according to the variables of academic specialization and years of experience.