Human resource is the back bone for the provision of quality service for people. A High level ofrnprofessional satisfaction among bank employee earns high dividends such as higher worker forcernretention and customer satisfaction. The objective of this study is to determine the level of employee jobrnsatisfaction and its determinant factors in commercial bank of Ethiopia in case of Addis Ababa area.rnExplanatory study designs were used. The main instrument for primary data collection was a structuredrnquestionnaire adopted from Minnesota Satisfaction Questioner (MSQ) with five point Likert scale. Thernsource of the study data were number of employees working in four districts of Commercial Bank ofrnEthiopia under Addis Ababa area and a randomly selected professional employee from the selected 20rnbranches of four districts of Commercial Bank of Ethiopia. Descriptive statistics, percentagesrnfrequencies, mean and standard deviation were computed. Linear regression was computed to analyzerndeterminant factors of job satisfaction. Linear Regression analysis of data across demographic variablesrnyielded that job-satisfaction show statistically significant variation across marital status and educationalrnlevel (Bachelor degree holders have more satisfaction than others) with P-value < 0.05.Positivernrelationships were found out between overall levels of job satisfaction and nature of job, careerrnadvancement, pay and benefit and interpersonal relationships with P-value