Purpose: This study aimed to analyze the effect of Competence, Education and Training, and Workload on Functional Employee Performance with Work Motivation as an intervening variable in the Regional Secretariat of the Riau Islands Provincial Government, totaling 106 employees. Research Methodology: The sample used in this study was the entire population of 106 employees of the Regional Secretariat of the Riau Islands Provincial Government. In this study, the sampling technique used was nonprobability sampling with the technique taken, namely saturated sampling (census). The research method uses a quantitative approach with the analysis of Partial Least Square (PLS) analysis techniques with the SmartPLS version 4.0 program. Results: The results of this study state that Competence has a positive and significant effect on Employee Performance. Education and Training have positive and significant effects on Employee Performance. Workload had a positive and significant effect on Employee Performance. Work Motivation had a positive and significant effect on Employee Performance. Competence had a positive and insignificant effect on Work Motivation. Education and Training had positive and insignificant effects on Work Motivation. Workload has a positive and significant effect on Work Motivation. Work Motivation mediates the influence of Competence on Employee Performance. Work Motivation mediates the influence of Education and Training on Employee Performance. Work Motivation mediates the influence of workload on employee performance.