摘要:Khusnul Prianto1, Sri Murni Dewi2 & Alwafi Pujiraharjo3 1, 2 & 3Fakultas Teknik Jurusan Teknik Sipil Universitas Brawijaya Malang Alamat Korespondensi : Jl. MT. Haryono No 167 Malang, Indonesia azdotagroup@yahoo.com ABSTRACT This study aims to determine how big a role simultaneously and partially between knowledge, skills and attitude of the project manager to project success, and to know the most dominant factor that affects the success of a project. This research uses survey research conducted at contractor companies in Malang. The population in this study is the management of the contractor as the project manager supervisor leader contractor (director) or authorized by the company. Primary data was collected through questionnaires. Secondary data obtained from the literature to form iteratur, journals, and data from agencies with an interest in this study, such as professional associations and related agencies. The results of descriptive analysis using respondents’ answers showed knowledge variable, variable skills, attitudes and behavior / work commitment, top management variables on average have an important influence to determine the success of the project. Test results using regression analysis and test assumptions Multiple Linear Regression analysis shows simultaneously between the variables of knowledge, skills, work commitment and top management significantly influence the success of the project amounted to 0.831. Partially between the variables of knowledge, skills, work commitment and top management significantly influence the success of the project amounted to 0.286, 0.296, 0.280 and 0.147. Dominant variable affecting the level of success of a project is a skill / expertise. Keywords: Competence, Project Manager, Contracting Company