Balikpapan City has experienced an increase in population, exacerbated by its designation as the gateway to the capita city, attracting people to reside in the area. However, this has posed spatial planning challenges due to the city center’s rapid development and surroundings. The Environmental Agency plays a strategic role in systematically and comprehensively implementing the protection and management of the environment. This is crucial for preserving environmental functions and preventing pollution and environmental damage. The Environmental Agency of Balikpapan is supported by human resources to fulfill its core tasks and functions. Human resources play a significant role in every government institution, particularly environmental conservation. Environmental issues often stem from human behavior, and ecological degradation has adverse effects on living organisms. Therefore, instilling awareness and responsibility for the environment is imperative. This research aims to examine The Influence of Leadership, Motivation and Communication on Employee Satisfaction in the Environmental Agency of Balikpapan City. Data collection was conducted through the distribution of questionnaires, with a total of 60 respondents from the Environmental Agency of Balikpapan City. The sampling technique employed in this study was purposive sampling. Statistical testing and data processing were conducted using Partial Least Square (PLS) with SmartPLS version 3.0. The results of the study indicate that the variables of leadership and motivation have a positive and significant impact on job satisfaction, in contrast the communication variable does not influence job satisfaction.