A DTRA job typically refers to a position with the Defense Threat Reduction Agency (DTRA), a U.S. Department of Defense agency focused on countering weapons of mass destruction (WMD) and emerging threats. Roles at DTRA vary but often involve research, policy development, intelligence analysis, or operational support in areas like nuclear, biological, and chemical defense. Employees may work on risk assessments, threat mitigation, and coordination with military and international partners. DTRA jobs require security clearances and expertise in defense, science, or engineering fields.