The terms of Organizational culture, Employee engagement and Job satisfaction are critical in the HR landscape. At the one hand, Organizational culture plays a pivotal role in shaping the dynamics within a workplace, influencing everything from employee behavior to overall organizational performance. On the other hand, Job satisfaction and employee engagement are key determinants of organizational success. Satisfied and engaged employees are more likely to be productive, innovative, and committed to their organization, which in turn drives overall performance and competitive advantage. Conversely, a lack of job satisfaction and engagement can lead to high turnover rates, reduced productivity, and negative organizational outcomes. Therefore, understanding the factors that influence these aspects of the employee experience is of paramount importance. Moreover, in the energy sector, where companies usually operate in complex environments, the importance of a cohesive and supportive organizational culture is magnified. Synthesizing the above, the aim of the current dissertation is to examine the impact of organizational culture on job satisfaction and employee engagement in the  energy sector in Greece. In relevance with this aim, the project has the following research objectives:

• To identify and characterize the organizational culture prevalent within the energy sector in Greece.
• To assess the levels of job satisfaction among employees.
• To investigate the levels of employee engagement in the case
• To examine the impact of organizational culture applied on job satisfaction
• To investigate the impact of organizational culture applied on employee engagement

In short, this study explores the impact of organizational culture on job satisfaction and employee engagement within the Greek energy sector, Given its substantial workforce and significant role in the national economy, it provides a unique context for examining these relationships. In an era where the energy sector faces numerous challenges, including regulatory changes, technological advancements, and shifting market demands, fostering a positive organizational culture is essential for maintaining high levels of job satisfaction and employee engagement.