This paper intends to examine the relationships between Transformational Leadership, and Innovative Work Behavior among telecommunication engineers in Jordan telecommunication Industry. Its purpose is to study the effect of Transformational Leadership on engineers Innovative Work Behavior. A total of 218 questionnaires were collected from telecommunication engineers working in telecommunications organizations in Jordan. The data were analyzed using Partial Least Squares (PLS). Findings of this study found that Transformational Leadership has a positive and significant relationship with Innovative Work Behavior. These findings provide a better understanding of the Transformational Leadership style in the attainment of telecommunication engineers’ Innovative Work Behavior.