Opportunities Here is a brief listing of some available opportunities, as provided by the Nuclear Science and Security Consortium. 2019-07-30 Experimental Nuclear Physics Postdoc position at Los Alamos National Laboratory. 2019-07-30 Accelerator Staff Scientist at Lawrence Livermore National Laboratory. 2018-11-15: Postdoctoral Research Staff Member Position for Fission Research at the Lawrence Livermore National Laboratory. 2018-11-15: Two Graduate Fellowship Positions at the Idaho National Laboratory.