Employee engagement is crucial to an organization’s growth. The current study investigates the link between job autonomy, employee voice, and employee engagement among employees working in the Indian service sector industry using the job demands–resources model. It also considers the significance of employee voice as a mediating construct between job autonomy and employee engagement relationship. A structured equation modelling technique was applied to check the model on 180 employees working in the Indian service sector. Results indicate that employee voice partially mediates the relationship between job autonomy and employee engagement. Indeed, this study contributes to the field of theory, by researching and establishing the relationship between job autonomy and employee engagement, along with the mediating effects of employee voice between them. Furthermore, this article will give practitioners a comprehensive understanding of the significance of job autonomy and employee voice in increasing the engagement level of employees. Present study findings also show HR practitioners and managers, how offering autonomy and establishing opportunities for people to speak their opinions in the company can improve an organization’s effectiveness.