The purpose of this research is to design a Decision Support System (DSS) to choose a job based on the web. So that later this system can be a container consulting user or member in determining the choice of type of work by the personality they have. The input data used is the result of personality tests then the data will be processed using the Case-Based Reasoning (CBR) method to be matched with the psychological value of personality then matched to the type of work then the system will advise on job vacancy according to his personality. The design of this system using a structured system design model as data flow and object-based system design is Unified Modeling Language (UML), PHP as a programming language with Codeigniter framework, and MySQL as database. The results of this study are an application that can be used by the community to consult in determining the appropriate job type choices.