This research aims to investigate the impact of transformational leadership, work environment, and digital technology on employee performance in the Plant Department of PT Kalimantan Prima Persada, a mining company. In the challenging mining industry, transformational leadership is considered an approach that can enhance employee motivation and development. A supportive work environment, particularly concerning safety and employee development, has a positive impact on well-being and productivity. Additionally, the integration of digital technology, including automation, data analysis, and artificial intelligence, is identified as a key factor in improving operational efficiency and employee performance. Primary data obtained through questionnaires were used for analysis, employing multiple linear regression along with the F-test and t-test.The research findings indicate that transformational leadership, a supportive work environment, and digital technology significantly contribute to employee performance. Transformational leadership, emphasizing motivation and development, can create a safety-oriented and innovative work culture. A supportive work environment, especially in terms of safety and employee development, also proves to have a positive impact on well-being and productivity. The integration of digital technology, such as automation and data analysis, can enhance operational efficiency and employee performance.