Nowadays, profession or competency certification is started to be taken seriously by the society, especially the students. This certification is used, among others, to get an acknowledgement for the owned competency, increase the credibility, adding the selling point, and the opportunity to get a better career. Piksi Ganesha Certification Body as the organizer of the internal certification holds this mandatory-for-students' event every year.There are some obstacles in the certification data management, such as: data redundancy, temporary archieve storage, etc. These things are caused by the management is still using manual system and not using Computer-Based Information System (CBIS). A good and appropriate Computer-Based Information System design is needed in order to improve the effective and efficient performance, in giving the best service, data management, and also information provision for the certification participants.