Job Details: Job Location: S&T DC - Washington, DC, Position Type: Full Time, Education Level: 4 Year Degree, Salary Range: $140000.00 - $150000.00Salary, Travel Percentage: Up to 25%, Job Shift: Day, Job Category: Government,  Mayvin is seeking a Senior 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 Senior Physicist can include the disciplines of Biophysics, Physics, or Nuclear Forensics.    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 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  Demonstrate expertise in nuclear forensics-related disciplines and experience in working with expert panels dedicated to nuclear forensics Clear written and verbal communication skills to produce accurate reports and brief results to stakeholders  Solid understanding of lab health and safety regulations  Exceptional analytical research skills    : Required Qualifications:   BA/BS degree and 10+ years of experience or MA/MS with 8+ years of experience  Experience providing support services for Biology, bioengineering and biomedical engineering 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.