Alumni satisfaction survey is one of the way to carried out by Informatics Engineering Study Program at CIC University in the effort to provide maximum learning and service to its students. As a study program that has the highest number of students and graduates in CIC University, Informatics Engineering Study Program routinely conducts alumni satisfaction surveys during graduation registration. Where the survey results are obtained, then analyzed the level of satisfaction and expectations. However, there is a problem, process of collecting survey data is still using paper, then the results have recapitulated for analysis through by SPSS program, so it takes a lot time to analyze. Therefore it need a system to handle these problems. The purpose of this research is to build a webbased alumni satisfaction analysis system using Customer Satisfaction Index (CSI) and Importance Performance Matrix (Matrix IPA) methods. After system has successfully implemented, alumni can fill out the survey by logging in first using their respective NIM. System will produce an analysis in the form of information on the level of overall alumni satisfaction and display the attributes that must be improved which can be taken into consideration by the Informatics Engineering Study Program in improving learning and service. Based on the results of the user accepting test on 3 lecturers of the Informatics Engineering Study Program, the percentage is 79,16 %, it means that alumni satisfaction analysis system is in accordance with the needs.