The effectiveness of organization in achieving its objectives can be employed by applying management knowledge to management functions. However, current studies show insufficient managerial skills among librarians which contribute to low job performance. Consequently, low job performance of librarians leads to decrease the library’s achievement and productivity. Therefore, this situation enforces libraries initiative to enhance skills of the librarians in the country. In this study, the managerial skills that are demonstrated by librarians in the National Library of Malaysia are investigated. This is due to the importance of the public library as it plays an importance role for supporting education and development of community. The study aims to investigate the managerial skills in improving their job performance among librarians in National Library of Malaysia. The correlation between managerial skills and job performance also tested. This study employed a quantitative approach of structured questionnaire to investigate the managerial skills demonstrated by the respondents. Data will be analyzed using SPSS software. The results will be presented both in descriptive and inferential statistics. Thus, this study is significant to the field of library and information science on the practical, theoretical, and methodological contributions. It will help to find out current managerial skills among librarians and assess their proficiency level of skills. It is also will be as guidelines for planning, designing, and developing relevant training and development program for upgrading the competency level of their librarians and as a criterion for selection and promotion. Moreover, this study will also contribute into improving the research instruments and add new literatures not only significant used for library and information science and also other fields of study.