Job Details: Job Location: S&T DC - Washington, DC, Position Type: Full Time, Education Level: Not Specified, Salary Range: $165000.00 - $175000.00Salary, Travel Percentage: Up to 25%, Job Shift: Day, Job Category: Government, Mayvin is seeking a Subject Matter Expert (SME) Physicist to support the US Department of Homeland Security, Science and Technology Directorate.  This position directly supports the Chemical Biological Radiological Nuclear Explosives (CBRNE) Division embedded in the Homeland Security Advance Research Projects Agency (HSARPA) Mission Center for Countering Homeland Threats (MCCHT).   The SME Physicist can include the disciplines of Biophysics, Physics, or Nuclear Forensics.  The SME Physicist may oversee the efforts of less senior staff and/or be responsible for the efforts of all staff assigned to a specific job.    Must be a U.S. Citizen.  Must have an active SECRET clearance.     Responsibilities:   Provide technical support with expert knowledge of the nuclear fuel cycle, analytical chemistry methods, and chemical engineering inherent in the nuclear forensic characterization of nuclear and radiological materials Provide full-time SME support in the form of technical reviews, program planning and execution, statistical analyses and assessments, and technical assistance in oversight of technical nuclear forensics programs  Provide SME consultants as members of an expert panel dedicated to nuclear forensics to be available to participate in specific Nuclear Forensics studies (two per CY)  Demonstrate expertise in nuclear forensics-related disciplines and experience in working with expert panels dedicated to nuclear forensics  : Required Qualifications:   An individual whose qualifications and/or particular expertise are exceptional and/or highly unique  Identified as recognized Industry leaders for a given area of expertise   Subject matter expert (SME) support services for explosives/chemical and CBRN development efforts    Preferred Qualifications:  A scientific and technical understanding in:  CBRN sensor systems  Networked sensor systems and cloud computing  Data Analytics  Anomaly Detection and data mining    About Mayvin Mayvin is more than a workplace—it’s a community built on innovation, ingenuity, and impact.  Enjoy outstanding benefits and amenities, a truly supportive work environment, and continuous opportunities for professional growth. Your contributions are recognized and rewarded, and—most importantly—your voice matters. Here, you're treated with the dignity and respect you deserve. Mayvin is proud to support the national security mission of the United States through exceptional service to the Departments of War, Homeland Security, and Justice. Join us in solving the nation's toughest challenges—because at Mayvin, #PeopleMatter and it's time to #ReimagineYourMission.