If students wish to stay in the Netherlands after graduating, they must apply for a new residence permit. They cannot stay on their study permit.  

Information about the conditions of a search year and applying for a new residence permit are on the website of the IND: https://ind.nl/en/work/Pages/Looking-for-a-job-after-study-promotion-or-research.aspx. After being hired by a Dutch company, the company will apply for a work permit for the student.