Location: Oak Ridge, TN
Cap-Exempt H-1B Position — No lottery required
Requisition Id 16397 **Overview:** We are seeking a Senior Radiological Engineer who will provide expert level support for the operation of a diverse range of radiological instrumentation to meet needs throughout Oak Ridge National Laboratory (ORNL). Areas of focus include the Radiological Effluent Stack Monitoring program, the Central Radiological Counting Laboratory, the Portable Nondestructive Assay (NDA) program, and the Whole-Body Counting Facility. This position resides within the Nuclear and Radiological Measurements (NRM) team of the Nuclear Measurements and Analytical Services (NMAS) Group of the Nuclear and Radiological Protection Division (NRPD) under the Environmental, Safety, Health, and Quality Directorate at Oak Ridge National Laboratory. **Major Duties/Responsibilities:** - Serve as the primary subject matter expert within the NRM Team for the Radiological Effluent Stack Monitoring Program. - Develop and expand the stack monitoring program with the addition of future spectroscopic stack monitoring systems. - Provide technical guidance for the operation of instrumentation within the Central NPRD Radiological Counting Lab, which consists of fixed high purity germanium detectors, alpha spectrometers, gross alpha/beta counters, and a liquid scintillation counter. - Assist in the development of In-situ Object Counting (ISOCS) models to evaluate complex assays and develop defensible estimates of the total measurement uncertainties in support of the NRPD Portable NDA program. - Support the operation of the whole-body counting, lung counting, and wound counting capabilities, facilities, and instrumentation. - Perform technical equipment evaluations and develop technical basis documentation for existing and future technology applications. - Mentor less experienced radiological engineers within the group. - Participate in incident/accident investigations requiring in vivo measurement and wound counting support due to potential intakes of radioactive material.