• Track and maintain care, custody, and control of MDDU equipment, including detection equipment, and radioactive sources. • Conduct inventories of DHS MDDU property and update computerized tracking information as required. • Ensure MDDU equipment is repaired, calibrated, and maintained in a ready state for deployment 24 hours a day, 7 days a week, and 365 days a year. This includes conducting field level routine repairs in consultation with equipment manufacturers and designated subcontracting repair companies. • Safely handle, use, transport, and ship radioactive sources following federal regulations including those requirements of the Department of Transportation. Perform work as a "radiation worker." • Conduct procurements of supplies and equipment following administrative procedures. • Perform CBRN detection operations with Federal, state, and local law enforcement agencies and stakeholders. This includes performing operations at Department of Homeland Security Special Event Assessment Rated SEAR Events, National Security Special Events NSSE, and critical infrastructure sites. • Perform CBRN "just in time" training with technical detection equipment with Federal, state, and local law enforcement agencies and stakeholders. • Perform or assist in CBRN technical detection exercises with Federal, state, and local law enforcement agencies and stakeholders.