Purpose: As the globalization has brought about a significant change in the way private organizations are operating. Service sector employees are emerging as most vulnerable workforce to be exposed to various work place hazards like workplace bullying, work family conflicts, stress to meet deadline and many more. Employee well-being today is of utmost importance today not only for the betterment of employee but for the effectiveness of the organization too.Family supportive supervisor behaviors can work as a trainable resource at workplace and help employees to deal with negative effects of workplace strains by increasing positive aspect of workplace. This study aims to explore the relationship between family supportive supervisor behaviors work family conflicts and work engagement. The study also aims to determine the effect of family supportive supervisor behaviors on work family conflicts and work engagement. Methodology: An ex post facto research design is used in this study. A total of 112 employees working in service sector of various private organizations have been recruited as participants for the current study. Simple random sampling technique was employed to collect the data through the standardized questionnaires. The data was analyzed using statistical techniques correlation and regression and with the help of spss 21. Findings: Results of the study revealed a significant positive relationship between family supportive supervisor behaviors and work engagement. Other findings of the study revealed a significant negative correlation between family supportive supervisor behaviors and work to family and family to work conflict. There was also a significant negative correlation between work engagement and work to family and family to work conflict. Results also reveal that family supportive supervisor behaviors positively predicted work engagement while work to family and family to work conflict didn’t significantly predicted work engagement.