The Medical Assistant / Drug Screening Collector is responsible for providing clinical, administrative, and occupational health services with oversight from the Onsite Registered Nurse (RN), Program Manager (PM), Clinic Manager/Nurse Practitioner (NP), and Consulting Medical Director (CMD). Essential Duties and Responsibilities: Clinical Duties: Perform diagnostic and occupational health testing including vital signs, EKGs, audiograms, pulmonary function tests, vision acuity testing, respirator fit testing, and wellness testing (body fat, aerobic capacity, strength assessments, etc.).