Requisition Id 15961 Overview: We are seeking a Group Leader for the High Flux Isotope Reactor (HFIR) Mechanical Systems Engineering Group. This position resides in the HFIR Mechanical Systems Engineering Group in the HFIR Systems Engineering Section, Research Reactor Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). The HFIR Systems Engineering Section within the Research Reactors Division is responsible for the High Flux Isotope Reactor configuration management pr