Grady Health System offers many career paths for your professional growth. Whether you have many years of experience or are in the early stages on your career, you can find a rewarding position at Grady. . SUMMARY. The Nursing Support Technician (NST), under the supervision of the Professional Registered Nurse, the Licensed Practical Nurse, and/or the Physician, provides age-appropriate, culturally and ethnically sensitive care, maintains a safe ...