23 postdoctoral research associate jobs found in Oak Ridge, TN

Requisition Id 14907 Overview: The Data and AI Systems Research Section/Workflow systems Group within the Computer Science and Mathematics Division at Oak Ridge National Laboratory (ORNL) is seeking a postdoctoral researcher with expertise in distributed intelligence, reasoning models, LLMs, workflow management, and distributed systems to contribute to the development of advanced decentralized intelligence techniques for scientific workflows deployed across heterogeneous computing resources. As a postdoctoral fellow at ORNL, you will join a dynamic team of researchers specializing in workflow management machine learning, distributed computing, and resource optimization leveraging the unique computational resources available at ORNL, including the Frontier supercomputer-the world's first exascale system. In this role, you will collaborate with leading scientists to design and implement distributed intelligence solutions tailored for large-scale scientific workflows in DOE...

Requisition Id 14890 Overview: We are seeking a Postdoctoral Research Associate who will focus on applying computational methods in the areas of stimulus responsive separations and energy related processes. This position resides in the Chemical Separations Group in the Separations and Polymer Section, Chemical Sciences Division, Physical Sciences Directorate, at Oak Ridge National Laboratory (ORNL). In this role, you will perform computational studies aimed at better understanding of photochemically driven processes to control ligand binding and release, and pH modulation using photoacids and photo-bases. The work will focus on modeling of adiabatic and nonadiabatic photochemical processes to capture excited states dynamics using an array of ab initio molecular dynamics methods for excited states. You will also work within a multidisciplinary multi-institutional team involving specialists in theory, nonlinear electronic spectroscopy, organic synthesis, and materials...

Requisition Id 14889 Overview: We are seeking a Postdoctoral Research Associate who will focus on delivering groundbreaking computational chemical and materials science at the forefront of the field through the development and use of machine learning, deep learning, and high-performance computing (HPC). This position resides in the Chemical Separations Group in the Separations and Polymer Section, Chemical Sciences Division, Physical Sciences Directorate, at Oak Ridge National Laboratory (ORNL). In this role, you will perform computational studies using machine learning tools aimed at better understanding of ligand binding in solution and molten salts chemistry. Computational methods will primarily involve density functional theory calculations for molecular and periodic systems, molecular dynamics simulations using ab initio and machine-learning potentials, and the development or application of machine-learning tools for feature extraction, property prediction, and inverse...

Requisition Id 14893 Overview: We are seeking a Postdoctoral Research Associate who will develop and apply computational methods based on electronic structure theory approaches, as well as artificial intelligence and machine learning techniques (AI/ML) with emphasis on electronic properties (charge and spin) of a range of materials important to the DOE mission, including the materials classes described below. Research efforts will include application of density functional theory (e.g. QE, VASP, WIEN2K) and post-processing packages (e.g. ShengBTE, phono3py, Wannier90) packages to describe various properties of DOE-relevant materials. The Materials Theory Group has a background in using first principles methods to examine magnetic properties of advanced materials, electronic and thermal transport, thermoelectrics, functional oxides, defects and disorder, and weakly bonded materials. The incumbent will have opportunities to develop research methodologies as well as collaborate...

Requisition Id 14859 Overview: We are seeking a postdoctoral research associate who will study the dynamics of low-energy, high-charge ion beams. This project will use the Spallation Neutron Source (SNS) Beam Test Facility, a front-end replica with advanced diagnostics. This position resides in the Accelerator Physics Group in the Accelerator Science and Technology Section, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). You will be part of a dynamic team working on multiple aspects of this problem. You will have a chance to learn about specialized diagnostics, particularly for high dynamic range and high dimensional measurement of particle beam distributions. This project is motivated by the limitation presented by uncontrolled beam loss to the performance of high-power accelerators such as the Spallation Neutron Source (SNS). The goal of this work is to demonstrate predictive modeling of beam distributions in a realistic...

Requisition Id 14862 Overview: Oak Ridge National Laboratory (ORNL) is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver solutions to compelling problems in energy and security. The Biosciences Division of ORNL has an opening for a postdoctoral researcher to conduct research on plant-microbe interactions and abiotic stress tolerance mechanisms as part of the Plant-Microbe Interfaces (PMI) Scientific Focus Area project (https://pmiweb.ornl.gov/). The Plant Systems Biology Group investigates how plant and microbial genes, proteins, metabolites and plant traits interact to influence plant-microbe interactions and stress responses. The selected candidate will join a collaborative team investigating microbial-mediated plant pathways that modulate abiotic stress tolerance in Populus. The project involves integrating automated phenotyping approaches with molecular analyses to understand plant-microbe interactions...

Requisition Id 14850 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation. We are seeking a Postdoctoral Research Associate who will reside in the Materials Engineering Group in the Neutron Scattering Division (NSD), Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL). This project will be focusing on the development of advanced Artificial Intelligence (AI)/Machine Learning (ML) tools for the measurements of 3D...

Requisition Id 14834 Overview: Oak Ridge National Laboratory (ORNL) is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. Within ORNL, the Building Envelope Materials Research (BEMR) Group develops and deploys affordable building envelopes for new construction and retrofits to enable DOE's goals. Our synergistic research areas include building science, material and system development, and advanced construction. With the support from the U.S. DOE Building Technologies Office, we have the most extensive building envelope research portfolio in the nation. We are seeking to add to our team an energetic and creative postdoctoral research associate. Major Duties/Responsibilities: Collect and analyze data from past weather-related natural gas supply disruptions and study their impacts. Perform modeling and simulations to assess...

Requisition Id 14827 Overview: We are seeking a Postdoctoral Research Associate who will focus on the synthesis of quantum materials aimed at understanding their novel properties. This will be a highly collaborative position residing in the Quantum Heterostructures Group in the Materials Science and Technology Division (MSTD), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). As part of our research team led by Dr. Matthew Brahlek and Dr. Rob Moore, you will focus on the growth of thin film and heterostructure quantum materials utilizing molecular beam epitaxy, and probing the crystalline, electronic, and magnetic properties. Your emphasis will be on the development and characterization of new material platforms to understand and control emergent phenomena in heterostructures of strongly correlated phases, Dirac materials, Weyl semimetals, topological insulators, etc. This will include preforming characterization in a unique state of the art...

Requisition Id 14808 Overview: We are seeking a Postdoctoral Research Associate who will contribute to the development of modeling framework and support process development for advanced manufacturing (AM) processes. This position resides in the Computational Sciences and Engineering Division (CSED) at Oak Ridge National Laboratory (ORNL). CSED focuses on transdisciplinary computational science and analytics at scale to enable scientific discovery across the physical sciences, engineered systems, and biomedicine and health. It provides foundations and advances in quantum information sciences to enable quantum computers, devices, and networked systems. It develops community applications, data assets, and technologies and provides assurance to build knowledge and impact in novel, crosscut-science outcomes. The candidate will be a postdoctoral researcher within the Multiscale Materials (MsM) group for Physical Sciences Section in CSED. The MsM group is focused on delivering...

Requisition Id 14798 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation. We are seeking a Postdoctoral Research Associate who will focus on the physics of correlated and topological quantum materials. This position resides in the Quantum Heterostructures Group in the Foundational Materials Science Section, Materials Science and Technology Division, Physical Sciences Directorate at Oak Ridge National Laboratory (ORNL). As part of...

Requisition Id 14166 Overview: The Grid Interactive Controls Research Group (GICR) in the Electrification and Energy Infrastructure Division (EEID) within the Energy Science and Technology Directorate (ESTD) at Oak Ridge National Laboratory (ORNL) is seeking a Postdoctoral Research Associate. The Grid Interactive Controls group specializes in pioneering innovations at the edge of today's power grid, concentrating on fortifying grid security, enhancing reliability, bolstering resilience and advancing decarbonization. Our primary focus lies in the comprehensive 'Everything-to-Grid' (X2G) strategies, developing cutting-edge solutions in grid-edge integration and control. Our commitment revolves around seamlessly incorporating emerging distributed energy resources, including demand response emerging at the grid edge, providing essential services crucial to its reliable operation. Employing a diverse range of disciplines such as control theory, optimization, economics, game theory,...

Requisition Id 14799 Overview: We are seeking a Postdoctoral Research Associate who will support the Chemical and Isotopic Mass Spectrometry Group in the Chemical Sciences Division (CSD), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). As a Postdoctoral Research Associate, will focus on R&D in analytical chemistry to develop and advance analytical capabilities and methodologies to support the characterization of nuclear materials associated with the nuclear fuels cycle, nuclear non-proliferation and safeguards, nuclear forensics, production of isotopes, and various application spaces. The research will focus on detailed trace element and isotopic characterizations via inorganic mass spectrometry and using a variety of elemental and isotopic approaches. As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of...

Requisition Id 14730 Overview: We are seeking a postdoctoral research associate who will study the dynamics of low-energy, high-charge ion beams. This project will use the Spallation Neutron Source (SNS) Beam Test Facility, a front-end replica with advanced diagnostics. This position resides in the Accelerator Physics Group in the Accelerator Science and Technology Section, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). You will be part of a dynamic team working on multiple aspects of this problem. You will have a chance to learn about specialized diagnostics, particularly for high dynamic range and high dimensional measurement of particle beam distributions. This project is motivated by the limitation presented by uncontrolled beam loss to the performance of high-power accelerators such as the Spallation Neutron Source (SNS). The goal of this work is to demonstrate predictive modeling of beam distributions in a realistic...

Requisition Id 14729 Overview: We are seeking a Postdoctoral Research Associate who will reside in the Triple-Axis Spectroscopy Group in the Neutron Scattering Division (NSD), Neutron Sciences Directorate(NScD) at Oak Ridge National Laboratory (ORNL). NScD operates the High Flux Isotope Reactor (HFIR), the United States' highest flux reactor-based neutron source, and the Spallation Neutron Source (SNS), the world's most intense pulsed accelerator-based neutron source. Together these facilities operate 30 instruments for neutron scattering research, each year carrying out more than 1,000 experiments in the physical, chemical, materials, biological and medical sciences. HFIR also provides unique facilities for isotope production and neutron irradiation. To learn more about Neutron Sciences at ORNL, please go to this link http://neutrons.ornl.gov. As part of a team, you will explore novel quantum materials through elastic and inelastic neutron scattering experiments under extreme...

Requisition Id 14731 Overview The Environmental Sciences Division of Oak Ridge National Laboratory (ORNL) seeks a highly motivated individual for a postdoctoral research associate position in the Environmental Risk and Energy Analysis Group. The candidate will work with a multi-disciplinary group of experts in economics, engineering, computer sciences, and physical sciences on the economics and policy aspects of sustainable energy. The candidate should be an independent thinker and able to participate creatively in defining and refining research directions. Major Duties/Responsibilities The successful candidate will interact with a team of scientists and engineers at ORNL on projects evaluating sustainable energy metrics, such as costs, benefits, equity, land use change, and carbon reduction potentials, to identify and accelerate technological and policy options. Activities will involve: 1) data collection, processing, and quality assurance; 2) development and simulation of...

Requisition Id 14702 Overview: Oak Ridge National Laboratory is the largest US Department of Energy (DOE) 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 Particle Fuel Forms (PFF) Group in the Nuclear Fuel Development (NFD) Section within the Nuclear Energy and Fuel Cycle Division. The PFF Group is a global leader in coated particle fuel research for advanced reactors (e.g., tristructural isotropic (TRISO) coated particle fuel) and emerging nuclear technologies. The PFF group supports activities related to both fabrication and post-irradiation examination of coated particle fuel and fuel forms. This position would primarily support the US DOE's Office of Nuclear Energy's Advanced Gas Reactor Fuel Development and Qualification (AGR) Program's post-irradiation examination (PIE) activities at ORNL. The...

Requisition Id 14692 Overview: Do you have a passion for applying AI methods for accelerating scientific discoveries and an ability to think outside of the box in a collaborative and open environment? If so, the Oak Ridge National Laboratory's Learning Systems Group within the Data and Artificial Intelligence Systems section invites you to apply to our new postdoctoral research associate position in AI for science. As a postdoctoral researcher, you will help solve some of the most challenging problems faced by the nation. You will perform groundbreaking research on a wide range of significant problems, and you will apply your work to exciting research in multi-disciplinary domains alongside globally recognized experts. You will bring creative thinking, teamwork, and machine learning skills to bear as you develop new methods to address scientific and engineering problems, collaborate with leaders in your field and across the laboratory, while working with the world's fastest...

Requisition Id 14630 Overview: We are seeking a Postdoctoral Research Associate to work on groundbreaking research focused on techniques for on-the-fly analysis of neutron diffraction data. 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. The Spallation Neutron Source (SNS) and the High-Flux Isotope Reactor (HFIR) are world-leading facilities and the scientific center of a diverse, international and inclusive neutron scattering community. As a Postdoctoral Research Associate your work will directly benefit from these facilities. In this position, you will be part of a multi-disciplinary and multi-institution team developing integrated systems to automate the acquisition and interpretation of neutron scattering data. You will contribute to the development of FPGA tools for real-time processing of live...

Requisition Id 14396 Overview: We are seeking a High-Temperature Materials Processing Postdoctoral Research Associate. This position resides in the Surface Engineering and Tribology Group in the Materials Structure and Processing Section, Materials Science and Technology Division (MSTD), Physical Science Directorate (PSD) at Oak Ridge National Laboratory (ORNL). As part of our team, you will work with ORNL's world-class experts and have access to the state-of-the-art facilities to learn, grow, and make major contributions to the exciting research activities here. You will be working with a research team led by a senior researcher to carry out the research and development of high-temperature ceramics and composites using advanced processes including but not limited to chemical vapor deposition/infiltration (CVD/CVI), polymer infiltration pyrolysis (PIP), and reactive melt infiltration. The current projects are focused on CVI/CVD and PIP of ceramic-ceramic and metal-ceramic...