DC Agent is a term used to refer to two different types of government employees in Washington, D.C. The first type is a SEN, or Senate employee, who works for the United States Senate and is responsible for providing administrative support to senators and their staff. The second type is a REP, or Representative employee, who works for the United States House of Representatives and is responsible for providing administrative support to representatives and their staff. Both types of DC Agents are essential to the functioning of the federal government in Washington, D.C.