General Dynamics Information Technology (GDIT) seeks a highly motivated and experienced Senior Database Administrator to support a Defense Threat Reduction Agency (DTRA) mission in Alexandria, VA. This position will support the Defense Stockpile Management Systems (DSMS) which includes: Defense Integration and Management of Nuclear Data Services (DIAMONDS), Joint Application Design Environment (JADE), Nuclear Inventory Management and Cataloging System (NIMACS), Government Acceptance Testing (GAT), and DIAMONDS Accountability Training System (DATS).