This study attempted to investigate the effects of perception of professionalism on job satisfaction and job engagement against cosmetology instructors. The goal is to enhance the efficiency of human resources management by increasing job satisfaction and job engagement. For this, an online questionnaire survey was performed against cosmetology instructors from across the country from May 1 to Jun 4, 2020 (33 days), and a total of 424 copies were used for final analysis. The collected data were analyzed by frequency analysis, factor analysis, correlation analysis and multiple regression analysis, using SPSS 23.0, and the results found the followings: First, according to analysis of correlations among perception of professionalism, job satisfaction and job engagement, all sub-factors of the perception of professionalism revealed a statistically significant correlation with job satisfaction and job engagement factors. In addition, job satisfaction and job engagement factors were correlated to each other with statistical significance. Second, in terms of the influence of perception of professionalism on job satisfaction, all sub-factors of perception of professionalism had an effect on teaching profession consciousness and development. Third, regarding the influence of perception of professionalism on job engagement, ‘social status and competence’, ‘social service’, ‘systematic instruction’ and ‘code of ethics’ affected all sub-factors of job engagement. Fourth, concerning the effects of job satisfaction on job engagement, ‘innovation’, ‘autonomy’ and ‘teaching profession consciousness’ had an influence on ‘devotion’ and ‘commitment’. All sub-factors of job satisfaction affected ‘vitality’. It is anticipated that the study results would help cosmetology instructors build self-confidence through perception of professionalism and provide basic data for high-quality educational services by enhancing job satisfaction and engagement.