In today’s competitive business scenario there are various issues faced by employees at workplace especially in private owned organizations. This research has focused on these issues. About various burning issues tackled by employees, job insecurity is one of the most stressful, problematic and threatened challenge in today’s competitive business world. This study has been conducted to examine the influence of job insecurity in relation with job performance among the faculty of those specific institutions which are managed in private in Sindh. It has been observed from this study that job insecurity is hindrance construct for better job performance. Data has been collected from those academic institutions who are affiliated with Higher Education Commission of Pakistan. Results propose that there is negative significant relationship between JI and JP. This study has significant importance and scope. It has attempted to explore occupational psychology variables. This study can help management to control unpredictable behavior of employees. It may determine the situations where employees feel insecure on their job and cannot perform better. Negative consequences may occur if there is uncertain, discomfort and displeasure descriptions added in employees’ job and recommend poor performance of the employees. Further, results can guide policy makers of the organizations to make employee-oriented policies.