MaST II has an opening for a certified school nurse. Prospective candidates must possess up-to-date school clearances and the qualifications listed below. Applicants that don't yet have a CSN certification but are currently enrolled in a program to attain the certification are also encouraged to apply. Position: Certified School Nurse (CSN) Job Overview: Using the nursing process to oversee and/or provide medical and nursing care to the school community in accordance with current medical practice and nursing standards, relevant statutes, and regulations.