EDUCATIONAL SERVICE UNIT #3. JOB DESCRIPTION. Job Title. Certified Nursing Assistant (CNA). Job Title Code. 7136. Number of Days Worked : 181. Department. Student Services, ESU #3. FLSA Status. Non-Exempt. Immediate Supervisor : Classroom Teacher and Principal. Staff Supervised. None. Essential Requirements. No history of child abuse or negligence. Minimum of a highschool diploma. Current CPR and First Aid Certification. Certified Nurse Assistant...