This position works in the Epidemiology Program (EP), Health Outcomes Military Exposures, (VA), at the Department of Veterans Affairs (VA), in Washington, DC. The primary purpose of this position is to perform a variety of functions, including conducting epidemiological research and health surveillance addressing Veterans, primarily those who have served in combat deployments or who use the VA medical facilities. SELECTIVE PLACEMENT FACTOR (SCREEN-OUT) - In addition to the meeting the Basic Requirement, this position includes a Selective Placement Factor (skill, knowledge, ability or other worker characteristic basic to - and essential for - satisfactory performance of the job). A Selective Placement Factor (SPF) has been identified for this position. Selective Placement Factors (SPF) are