We have an opening for a Research Scientist to develop and pursue innovative research in the analysis of nuclear and non-nuclear materials in support of nuclear security and planetary science research. The successful candidate will perform isotopic analyses utilizing noble gas mass spectrometry (NGMS) to understand signatures of interest to nuclear forensics, nonproliferation, and nuclear science applications. You will play a leadership role in development and design of analytical approaches and in generating new proposals for funding. This position is in the Nuclear and Chemical Sciences Division supporting the Chemical and Isotopic Signatures Group. This position will be filled at the SES.3 or SES.4 level depending on candidate qualifications