Mansfield ISD Student Nutrition Field Supervisor. interested applicants must submit an application online at. https://www.mansfieldisd.org/join-misd/apply-with-misd. Create an application profile and apply for the Field Supervisor position for Student Nutrition. Primary Purpose. Overseeing the daily operation of ten to twelve cafeterias. Qualifications. Education/Certification. Associate Degree in Food Service Management, Hospitality Management, ...