This is a Direct Hire Authority (DHA) solicitation utilizing the DHA for Certain Personnel of the DoD Workforce to recruit and appoint qualified candidates to positions in the competitive service. Rock Island is located in the southwest corner of Quad Cities in western Illinois on the Mississippi River, 165 miles west of Chicago and between Minneapolis and St. Louis, sitting on 946 acres between the cities Davenport and Rock Island. It is one of the largest weapons manufacturing arsenals.