Oak Ridge National Laboratory

Requisition Id 15747 Overview: We are seeking a Postdoctoral Research Associate who will reside in the Powder Diffraction Group in the Neutron Scattering Division (NSD) and will closely collaborate with the Geochemistry and Interfacial Sciences Group in the Chemical Science Division (CSD) 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 31 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 The Postdoctoral Research Associate will focus on...

Requisition Id 15588 Overview: The Materials Science and Technology Division of the Physical Sciences Directorate at Oak Ridge National Laboratory (ORNL) invites applications for a research staff position in quantum information science. We seek outstanding candidates with expertise in quantum information science and condensed matter physics. Candidates that seek to build a research program focused on quantum state transduction are strongly preferred. The ideal candidate is expected to develop and lead research efforts focused on the transduction of quantum information between light, spins, and microwave circuits. The successful candidate will join the multidisciplinary Quantum Heterostructures Group dedicated to developing and characterizing novel quantum devices in collaboration with theory and experimental quantum information science efforts in research programs across the DOE Office of Science. Planned research activities will be supported with internal ORNL investments and...

Requisition Id 15598 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. The Computational Coupled Physics (CCP) Group within the Computational Sciences and Engineering Division (CSED), at Oak Ridge National Laboratory (ORNL) is seeking a Postdoctoral Research Associate to develop and apply computational technique for advanced manufacturing using high-performance computing resources. ORNL's CCP conduct world-leading research and...

Requisition Id 15740 Overview: The Prototype Manufacturing Group is seeking applications for a Mechanical Assembly Technician position with experience in the areas of mechanical fabrication, assembly, and inspection processes to support multiple enrichment technology programs. The Prototype Manufacturing Group resides in the Enrichment Systems Fabrication and Demonstration Section, Enrichment Science & Engineering Division, Isotope Science & Engineering Directorate, at Oak Ridge National Laboratory (ORNL). The Enrichment Science and Engineering Division 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, engineers, and technicians 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...

Requisition Id 15736 Overview: We are seeking an Operations Specialist for the High Flux Isotope Reactor (HFIR). This position reports to the HFIR Operations Section Head and interfaces with all levels within the Research Reactors Division. This position resides in the HFIR Operations Section, Research Reactors Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Serving as the primary support team member for the Operations Section Head to ensure daily operations are safe, effective, and performed in accordance with approved procedures. Interfacing with other sections to understand planned operations within the facility and ensures activities follow the facility procedures and processes. Performing troubleshooting and improvement activities for emerging issues within the operations management scope of responsibility to resolve issues and improve effectiveness. Coordinating, monitoring, and assessing of compliance...

Requisition Id 15728 Overview: We are seeking a Group Leader for Accelerator Physics (AP) who will focus on executing an R&D portfolio advancing the state of the art in the control, simulation and modelling of high-intensity, high-power hadron beams and supporting the safe, reliable operation of the Spallation Neutron Source (SNS) accelerator. The AP Group Leader will work closely with the Accelerator Science and Technology (AScT) Section Head to implement a cohesive vision for science and operation, guide group members' career development, and engage the wider accelerator physics community. This position resides in the Accelerator Science and Technology Section (AScT) of the Research Accelerator Division (RAD), Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide R&D leadership to the group to strategically advance the science and technology of high-power, high-intensity particle accelerators. Support...

Requisition Id 15726 Overview: The Grid Systems Architecture (GSA) Group at Oak Ridge National Laboratory (ORNL) is actively seeking applicants for a temporary full-time Power Electronics Research Assistant position. This role focuses on advancing cutting-edge power electronic systems and their integration into the modern electric grid. You will develop innovative power electronic converters and control solutions and validate them through real-time modeling and simulation. The position requires a strong understanding of power electronic system requirements, from component-level design to full system integration, as well as embedded controller development. Experience in modeling converter topologies and distribution grids, developing control algorithms, and implementing controller code is expected. Major Duties/Responsibilities: Conduct R&D projects and help the expansion of R&D to take advantage of our multidisciplinary capabilities, multimodal strengths, and...

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 Group Leader....

Requisition Id 15718 Overview: The Stable Isotopes Production Facility (SIPF) Demonstration Group within the Enrichment Science and Engineering Division (ESED) is seeking Enrichment Production Technicians. 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, engineers, technical professionals, and technicians with the world-leading capabilities of Oak Ridge National Laboratory (ORNL) to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. This position reports to the SIPF Demonstration Group Leader. Major Duties/Responsibilities: Perform work in a safe and secure manner consistent with expectations and in compliance...

Requisition Id 15711 Active DOE Q, active DOD Top Secret, or active DOD TS/SCI clearance is required for consideration. Overview: We're hiring a Full Stack Information Technology System Engineer who will be responsible for the end-to-end design, development, integration, deployment, and sustainment of complex systems that include both software and hardware/infrastructure components. You will interface across multiple layers-from user-facing applications to backend services, to system infrastructure and networking, ensuring the full-stack works together to meet mission objectives. You will apply systems engineering principles throughout the lifecycle (requirements, architecture, integration, verification & validation, sustainment). This position is in the Support Services & Isolated Environments Group in the Research Computing Services Division, in the Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL). Major...

Requisition Id 15730 Overview: The Center for Nanophase Materials Sciences (CNMS) is seeking a Research & Development Associate Staff Scientist to support research directed towards developing novel AI agents that can be implemented on atomic scale microscopy platforms such as scanning tunneling microscopy (STM) and scanning transmission electron microscopy (STEM) as well as synthesis platforms such as pulsed laser deposition (PLD) to synthesize and optimize materials. The focus will be on developing and improving the reliability of agentic AI platforms that can perform atomic manipulation in STM or STEM but will also branch into thin film synthesis such as PLD. As a Research Associate, you will contribute significantly to research in these areas, bridging simulations with modern AI agents (for example, using reinforcement learning) to inform policies to drive atomic manipulation in microscopy experiments leading to discovery and creation of novel states of matter. In...

Requisition Id 15602 Overview: The National Center for Computational Sciences (NCCS) at the Oak Ridge National Laboratory (ORNL) is seeking a postdoctoral research associate in the area of Application-driven Composable Distributed Storage. The candidate will be able to make research contributions in understanding and efficient use of distributed data storage and I/O subsystems for High-Performance Computing (HPC), scientific Artificial Intelligence (AI), and scientific edge computing. We are a leader in computational and computer science, with signature strengths in high-performance computing and data analytics with applications in a large variety of science domains. NCCS is home to some of the fastest supercomputers and storage systems in the world. This position is in the Technology Integration group within NCCS. Specific areas of research interest include: Flexible, composable storage service architectures that expose useful data container abstractions and interfaces...

Requisition Id 15516 Overview: Oak Ridge National Laboratory is looking for a Plasma / Ion Beam Research Scientist to support the Enrichment Science and Engineering Division. This role involves advancing the electromagnetic isotope separation technology and the plasma separation process. Our isotopic products enable a wide variety of applications, including curing cancer with radiopharmaceuticals, conducting basic scientific research, and ensuring our national security. The position will integrate into an existing research team, focusing on plasma and ion beam science and technology to enhance isotope enrichment systems. Purpose: The Enrichment Science and Engineering Division focuses on advancing enrichment technologies and exploring stable isotope production and applications. The division leverages scientists and engineers' expertise and capabilities of Oak Ridge National Laboratory to deliver advancements with various applications, including national security and medical...

Requisition Id 15515 Overview: Oak Ridge National Laboratory is looking for an Associate Plasma / Ion Beam Research Scientist to support the Enrichment Science and Engineering Division. This role involves advancing the electromagnetic isotope separation technology and the plasma separation process. Our isotopic products enable a wide variety of applications, including curing cancer with radiopharmaceuticals, conducting basic scientific research, and ensuring our national security. The position will integrate into an existing research team, focusing on plasma and ion beam science and technology to enhance isotope enrichment systems. Purpose: The Enrichment Science and Engineering Division focuses on advancing enrichment technologies and exploring stable isotope production and applications. The division leverages scientists and engineers' expertise and capabilities of Oak Ridge National Laboratory to deliver advancements with various applications, including national security...

Requisition Id 15442 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. The Enrichment Systems Engineering Section is seeking a Senior Machine Design Engineer who will support the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). ESED serves the nation in two critical areas: advancing enrichment technologies and exploring stable isotope production and applications. The division leverages an elite staff of scientists and engineers with the world-leading capabilities of ORNL to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. ESED is the national steward for the research, development, and demonstration of centrifuge...

Requisition Id 15724 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. The Data Science & Visualization Group at Oak Ridge National Laboratory (ORNL) advances AI/ML research and delivers applied solutions that support high-impact national security missions. We are seeking a technical contributor in AI/ML research to build models and pipelines, design and implement evaluations and benchmarks, and disseminate results through publications and briefings. You will partner with multidisciplinary researchers across ORNL and external collaborators to enable data-driven decision-making in a variety of contextsThis position resides in the Data Science & Visualization Group in the Advanced Intelligent Systems Section, Cyber Resillience and Intelligence Division, National Security Sciences...

Requisition Id 15714 Overview: We are seeking an Electrical, Instrumentation and Controls Engineer to join the Systems Engineering (SE), Design and Fabrication Group within the Research Reactors Division (RRD) at Oak Ridge National Lab (ORNL). The Systems Engineering (SE), Design and Fabrication Group is responsible for the High Flux Isotope Reactor (HFIR) configuration management program. This group also provides technical support to operations, maintenance and performs systems analysis. As the Electrical, Instrumentation, and Controls Engineer, you will design and modify reactor instrumentation loops and control systems, provide technical support for I&C maintenance activities, lead field work, and analyze reactor system performance. This position will function as a cognizant system engineer for the assigned HFIR plant system in the HFIR System Engineering Program and DOE O 420.1 for the hazard category 1 nuclear facility and shall be qualified as a HFIR System Engineer...

Requisition Id 15715 Overview: We are seeking a Cooling Systems Engineer who will function within the Cooling Systems group to achieve engineering design tasks and concurrently monitor operating systems. This position resides in the Cooling Systems Group in the Site Services Group, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide engineering support for Cooling Systems equipment and projects. Perform hydraulic analysis using computational fluid dynamics (CFD) software to understand performance limitations in existing systems, design new systems, and select equipment. Provide design support for Cooling Systems (e.g. piping, pumps, water chemistry) in accordance with the design change procedure. Provide engineering support to technicians, engineers, and subcontractor personnel within guidelines established by SNS Research Accelerator Division, SNS, and ORNL policies. Provide input...

Requisition Id 15723 Overview: The Manufacturing Energy Efficiency Research & Analysis (MEERA) Group within the Manufacturing Science Division (MSD) at the Oak Ridge National Laboratory (ORNL) is seeking to fill a Postdoctoral Research Associate position to work in the areas of environmental life cycle assessment (LCA), technoeconomic optimization; and industrial energy efficiency and production optimization analyses research under the Strategic Analysis and Industrial Energy Efficiency Programs. The MEERA Group supports a multi-laboratory Department of Energy (DOE) Strategic Analysis Team that conducts independent, objective, and credible research analysis to inform decision-making. To gain insights on manufacturing supply chains, the team conducts techno-economics, value chain, trade, patent, and global manufacturing competitiveness analysis relevant to advanced manufacturing technologies. The team builds and applies analysis tools and analytics to draw insights on the...

Requisition Id 15721 Overview: We are seeking a Postdoctoral Research Associate who will contribute to the development and implementation of novel quantum algorithms for materials simulation, with a particular emphasis on error-corrected methods for future fault-tolerant quantum computing. The algorithms will be designed to address key models of quantum materials, such as the Hubbard model, with the goal of demonstrating a path towards fault-tolereant quantum advantage in simulating complex material systems. The position will involve a combination of algorithmic design, numerical implementation on hybrid quantum-classical hardware, and collaboration with a multidisciplinary team of researchers in quantum computing and computational condensed matter physics. The ideal candidate will have a strong background in quantum computing, computational physics, and a solid understanding of condensed matter quantum many-body theory. This position resides within the Quantum Computational...