This study offers a comprehensive investigation of the complex interconnections between High-Performance Work Systems, Knowledge Sharing, Entrepreneurial Leadership, and Employee Intrapreneurial Behavior in the telecommunications sector of Jordan. By using a quantitative method, this research employs structured questionnaires to gather comprehensive empirical findings from a sample of industry specialists. With 312 verified replies providing a solid framework, advanced analytical methods such as Structural Equation Modeling (SEM) and Partial Least Squares (PLS) were utilized to clarify the complex paths and linkages of the proposed hypothesis. The main findings of this study reveal that Entrepreneurial Leadership plays a crucial role in enhancing the influence of High-Performance Work Systems in fostering a dynamic intrapreneurial culture. It acts as a catalyst that magnifies the intrapreneurial inclinations among workers. Furthermore, knowledge sharing has arisen as a mediator, facilitating the influence of High-Performance Work Systems in fostering EIB. The research offers a thorough and intricate analysis that enriches our understanding of the diverse elements and mechanisms at play. The acquisition of this invaluable knowledge can be effectively employed to enlighten organizational strategies and policies, with the ultimate objective of cultivating an atmosphere that is conducive to innovation and intrapreneurial triumph within the swiftly evolving telecommunications sector of Jordan.