Category. Current Openings --> Healthcare. Job Location. 10903 NEW HAMPSHIRE AVENUE, White Oak, Maryland. Tracking Code. 15389. Position Type. PRN. STGi is currently seeking an entry level. PRN Health Fitness Specialist. to support our Wellness and Health Promotion Services contract with Federal Occupational Health in White Oak & Rockville. Job Specific Duties And Responsibilities. Service Operations. Under the direction of the Health Fitness or ...