The correlational impact of intra-organizational social capital, job burnout, and organizational reward in sustaining employee performance in the 4IR was evaluated in this paper. Four Hundred (400) employees of the following four businesses in the Nigerian states of Oyo and Lagos were given questionnaires on purpose: First City Monument Bank Plc, British American Tobacco Nigeria, Health Emergency Initiative, and Eko Pearl Towers. The current researcher encouraged voluntary participation and ensured that moral standards were upheld. There were found and appropriately concluded 377 surveys in total. The data was cleaned up and analyzed using SPSS version 29 of the statistical package for social sciences. This study demonstrates how organizational rewards and intra-organization social capital significantly impact employee performance. Job burnout negatively impacts it. Additionally, the study discovered that job burnout, organizational reward, and intra-organizational social capital had a significant and combined impact on employee performance.