The study aimed to examine the influence of employee motivation on ideal work environment among employees of selected fast food restaurant in Karen area, Nairobi County. The target population for study was 30 fast food restaurants in Karen, Nairobi County from which 5 fast food restaurants were selected for this study using convenience sampling to select employees to participate in this study. The specific objectives of the study were to determine the influence of intrinsic motivation on ideal work environment and to examine the relationship between extrinsic motivations on ideal work environment. The study was guided by the Self-Determined Theory which explains the types of motivation among staff. The study used the descriptive research design and adopted convenience sampling to select organizations and respondents to be engaged in the study. The sample of the study was 110 employees of 5 fast food restaurants. The data was collected using a structured questionnaire which was self-administered among respondents. The data was analysed using SPSS Version 22 and involved descriptive statistical analysis and Pearson correlation analysis. The findings were presented in tables and charts and supported by interpretation from the researcher. The findings indicated that there was a positive and statistically significant relationship between employee intrinsic motivation, extrinsic motivation, and ideal work environment. The study concludes that intrinsic motivation of employees by job autonomy was increased by ideal work environment the organization. The study therefore concludes that extrinsic motivation of employees by promoting teamwork in the workplace was increased by ideal work environment in the organization. The study recommends that managers of fast food restaurant should give employees more freedom in doing their jobs after evaluating their performance. The management of fast food restaurants should promote team work among staff in the specific organization by organizing out of work activities that build the social fabric between employees. The study recommends for future research to compare the relationship between employee motivation and ideal work environment in the different chain fast food restaurants to identify best practice for employee motivation in Kenya’s fast food industry.