Government worldwide has adopted e-government into their organizations to improve the efficiency and effectiveness of service delivery to citizens. However, the non-adoption behavior among public-sector employees is hampering the digitalization effort. This issue has attracted several researchers to conduct a study on egovernment adoption among employees in the public sector. Although numerous studies are being conducted on e-government adoption among employees, the effort made to review this topic is still scarce and limited. Nevertheless, only scant researchers have made an effort to review this topic systematically. Therefore, this study aims to conduct a systematic literature review concerning the adoption of an e-government system among employees in the public sector. PRISMA guided the review process. This SLR consists of the following methodological steps: formulating research questions, systematic searching strategies based on identification, screening, and eligibility on established databases (Scopus), then data extraction and analysis. Three main themes were identified through thematic analysis, namely (1) human factors, (2) technical factors, and (3) organizational factors. This review aims to provide reliable knowledge and ideas for academics and practitioners to implement e-government strategies in governmental agencies effectively. Although this study was only restricted to the review, it would provide a valuable basis for empirical research in the future.