This study aims to analyze the effect of motivation and work ethic on employee performance with job satisfaction as an intervening variable at the work unit of the Class I Immigration Office TPI Padang, West Sumatra. This research was conducted at the Class I Immigration Office TPI Padang located at Jl. Khatib Sulaiman No. 50, RT. 03 / RW. 07, Lolong Belanti Village, Padang City, West Sumatra 25135. The study was carried out from April to July 2026. The research method used was a quantitative approach with data collection techniques through questionnaires. The population in this study consisted of all employees totaling 107 people. The sampling technique used was saturated sampling, so all members of the population were used as research samples. The data analysis technique used Partial Least Squares (PLS) with the assistance of SmartPLS software. The results showed that work ethic has a positive and significant effect on job satisfaction and employee performance. Job satisfaction also has a positive and significant effect on employee performance. Meanwhile, motivation does not have a significant effect on job satisfaction, but it has a positive and significant effect on employee performance. Indirectly, work ethic has a significant effect on employee performance through job satisfaction, while motivation does not have a significant effect on employee performance through job satisfaction. The conclusion of this study is that work ethic and job satisfaction are the main factors influencing employee performance, while motivation has a more limited effect.
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