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Oak Ridge National Laboratory is the Department of Energy’s largest science and energy laboratory with over 5,800 staff from more than 60 countries, 3,000 guest researchers, and a budget of approximately $1.4 billion. The Lab supports the DOE's mission by providing solutions to strengthen the nation’s leadership in key areas of science; increase the availability of clean, abundant energy; restore and protect the environment; and contribute to national security. Career opportunities include internships, postgrads, postmasters, postdoc appointments, distinguished fellowships, business and technical professionals, full-time research staff, and joint faculty appointments. ORNL provides the opportunity to make an important national and even worldly impact. With over 5,800 staff, almost 500 interns every summer, the world’s best neutron source, one of the fastest supercomputers, and over a dozen world-class facilities, the possibilities are endless.
Jan 04, 2026
ORNL TN, USA
Requisition Id 15719    ­­Overview:   The Stable Isotope Production Facility (SIPF) Demonstration Group within the Enrichment Science and Engineering Division (ESED) seeks applications for a Logistics Coordinator with emphasis in the areas of production operations, Research & Development (R&D) testing, work planning, and the overall management of laboratory spaces. This group is focused on the demonstration and operation of new gas centrifuge technology associated with the enrichment of stable isotopes. The ESED serves the nation in two critical areas: advancing enrichment technologies, and exploring enriched stable isotope production and applications. The division leverages an elite staff of scientists and engineers with the world-leading capabilities of Oak Ridge National Laboratory to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. This position reports to the SIPF Demonstration...
Jan 04, 2026
ORNL TN, USA
Requisition Id 15657  Overview:   Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.   We are seeking a Postdoctoral Research Associate who will support the Manufacturing Energy Efficiency Research & Analysis (MEERA) Group in the Manufacturing Science Division (MSD), Energy Science and Technology Directorate (ESTD) at Oak Ridge National Laboratory (ORNL) to work in the areas of renewable energy and the implementation of such technologies on-site, along with their associated supportive technologies (such as solar photovoltaics, solar thermal systems, wind power, renewable fuels, geothermal solutions, battery storage, thermal storage, and industrial heat pumps). The role also involves research and analysis of technologies and practices for increasing the energy efficiency of the industrial sectors....
Dec 28, 2025
ORNL TN, USA
Requisition Id 15647    Overview: The Oak Ridge National Laboratory (ORNL) seeks to hire a Quality Assurance and Regulatory Affairs Manager. The position is in the National Isotope Development Center (NIDC), reporting to the NIDC Director. The NIDC serves as an interface with the isotope user community and coordinates isotope production across numerous program facilities (including ORNL) for the U.S. Department of Energy Isotope Program (DOE IP).   The position works directly with the DOE IP site headquarter managers to develop, implement, and maintain an integrated quality assurance system for the DOE IP that meets regulatory, operational, and customer specifications for all stable and radioisotope products produced at the multiple sites. The approved QA systems shall encompass the product lifecycle, beginning with specifications defined in the NIDC catalog and ending with a certified product at the time of delivery to the customer.   Major...
Dec 28, 2025
ORNL TN, USA
Requisition Id 15421  Overview:   The Multiscale Methods and Dynamics (MMD) Group at Oak Ridge National Laboratory (ORNL) is seeking several qualified applicants for postdoctoral positions related to Computational Fluid Dynamics.  Mathematical topics of interest include structure-preserving finite element methods, advanced solver strategies, multi-fluid systems, surrogate modeling, machine learning, and uncertainty quantification.  The position comes with a travel allowance and access to advanced computing resources.   The MMD group is responsible for the design and development of numerical algorithms and analysis necessary for simulating and understanding complex, multi-scale systems. The group is part of the Mathematics in Computation (MiC) Section of the Computer Science and Mathematics (CSM) Division. CSM delivers fundamental and applied research capabilities in a wide range of areas, including applied mathematics and computer science, experimental...
Dec 28, 2025
ORNL TN, USA
Requisition Id 15703    Overview:  Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.   We are seeking a Task Leader who will support the Asset Management section in the Nonreactor Nuclear Facilities Division (NNFD), Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL).   The role of the Task Leader is to assist the Maintenance Supervisors by leading small to medium size projects, leading Preventative and Corrective Maintenance tasks, and working closely with line management, engineering, and researchers to maintain high level of reliability of facility infrastructure and systems. The work will entail precision asset care including preventive and predictive maintenance, corrective actions, modifying and installing equipment utilizing engineering...