This research aims to analyze factors that influence employee performance, including: Perceptions of organizational support, compensation, and employee engagement. This research also wants to analyze the influence of perceived organizational support and compensation on employee engagement and analyze how employee engagement mediates the influence of perceived organizational support and compensation on employee performance. The population in this study were 74 permanent employees of PT Monoform. The sampling technique used was a simple total sampling technique where the entire population was sampled. The research method used is quantitative with SEM-PLS. Based on the analysis in this research, the results showed that: Perception of organizational support has a positive and significant effect on employee engagement; compensation has a positive and significant effect on employee engagement; employee engagement has a positive and significant effect on employee performance; perceived organizational support has a positive and significant effect on employee performance; compensation has a positive and significant effect on employee performance; Employee engagement successfully mediates the influence of perceptions of organizational support and compensation on employee performance.