90 jobs found in Oak Ridge, TN

Requisition Id 16525 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 in the Advanced Computing for Chemistry and Materials Group in the National Center for Computational Sciences (NCCS), Computing and Computational Sciences Directorate (CCSD) at Oak Ridge National Laboratory (ORNL) to perform leading-edge computational chemistry/materials research and development for applications in material sciences and condensed matter physics. This role will involve performing leading-edge computational condensed matter and material sciences research and development. Priorities include the development and application of first principles methods and their incorporation into agentic AI workflows for materials discovery. Emphasis will be placed on robust,...

Requisition Id 16332 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, Oak Ridge National Laboratory (ORNL) has an extraordinary 80-year history of solving the nation's biggest problems. We have a dedicated and creative staff of over 7,000 people! The Safeguards & Treaty Verification Section within the Nuclear Nonproliferation Division seeks applications for a Senior R&D Staff Group Leader (GL) to lead a research group focusing on enhancing concepts, strategies, and nondestructive technologies that will strengthen the capabilities of USG and international regimes (e.g., the IAEA and partner countries) in efforts to safeguard and secure global nuclear material. The Nondestructive Measurement Science and Technology Group focuses on research, development, and application of nondestructive assay systems, data acquisition technologies, and analysis methods that support international safeguards, domestic material control and accounting,...

Requisition Id 16347 Overview: We are seeking an Emergency Management Specialist who will focus on hazards analysis. This position resides in the Emergency Management team in the Laboratory Protection Division of the Facilities and Operations Directorate at Oak Ridge National Laboratory (ORNL). As part of our team, you will play a critical role in developing, implementing, and evaluating emergency management exercises to ensure the readiness and resilience of ORNL in the face of various emergencies. Major Duties/Responsibilities: Serve as the senior representative for all EM technical planning functions. Assist EM staff in completing their assigned tasks Responsible for oversight of the technical planning process for the EM Team, to include the review of documents to ensure quality and accuracy, and effectively plan, and meet, mandatory document submissions and deadlines. Will regularly interact with researchers and senior management, serving as the main liaison for...

Requisition Id 16335 Overview: We are seeking a Beam Instrumentation Systems Lead to support the design, development, implementation, and maintenance of beam instrumentation systems for the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL). This role contributes to improving accelerator performance, reliability, and availability through advanced diagnostic and control system development. This position reports to the Beam Instrumentation Group Leader within the Accelerator Science & Technology Section, Research Accelerator Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). The Spallation Neutron Source is a world-leading facility and the most powerful pulsed proton accelerator in the world, producing neutron beams for cutting-edge materials science research. ORNL is the U.S. Department of Energy's largest science and energy laboratory, delivering transformative solutions in energy, science, and national security. Within...

Requisition Id 16484 Overview: The High-Performance Computing Systems Section within the National Center for Computational Sciences (NCCS) is seeking an IAM Linux Engineer to join the HPC Infrastructure group. The preferred candidate will possess commensurate knowledge, skills and abilities in addition to relevant education, certifications, experience and demonstrated ability to work as a member of a team. NCCS Provides state-of-the-art computational and data science infrastructure coupled with dedicated technical and scientific professionals tackling large-scale problems across a broad range of scientific domains for accelerating scientific discovery and engineering advances. NCCS hosts the Oak Ridge Leadership Computing Facility (OLCF), one of the Department of Energy's (DOE) National User Facilities which operates Frontier, the nation's first exascale supercomputer. Major Duties/Responsibilities: Systems Administration: Deploy, configure and manage HPC-scale...

Requisition Id 16522 Overview: We are seeking a Postdoctoral Research Associate to conduct advanced materials research focused on the development of cast, additively manufactured, and wrought aluminum alloys. The position will allow significant interactions with researchers of varying backgrounds and other opportunities for professional development. This position lives in the Alloy Behavior and Design Group in the Materials Science and Technology Division (MSTD), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). This position lives in the Alloy Behavior and Design Group in the Materials Science and Technology Division (MSTD), Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL). The selected candidate will work with multiple other groups within MSTD on the physical metallurgy of aluminum alloys for various applications including automotive, aerospace, and thermal management. Projects will include application of physical...

Requisition Id 16418 Overview: We are seeking a Nuclear Quality Representative (early-to-mid career) to support the implementation of quality program requirements for Research & Development (R&D), Pilot Production, and emerging Manufacturing activities within the Enrichment Science and Engineering Division (ESED). This position resides in the Isotope Enrichment & Facilities Group within the Quality Assurance Division (QAD), Environment, Safety, Health, and Quality (ESH&Q) Directorate at Oak Ridge National Laboratory (ORNL), and is matrixed to the Systems & Process Assurance (SPA) Section within ESED, with primary support to Production Inventory Control and Manufacturing organizations. This role is ideal for a technically grounded, collaborative quality professional who understands nuclear quality requirements (e.g., NQA-1) and can apply them pragmatically and effectively within a fast-paced, evolving environment-balancing compliance with mission...

Requisition Id 16521 Overview: The High-Performance Computing Systems Section within the National Center for Computational Sciences (NCCS) is seeking an HPC Infrastructure Platform Engineer to join the HPC Infrastructure group. The preferred candidate will possess commensurate knowledge, skills and abilities in addition to relevant education, certifications, experience and demonstrated ability to work as a member of a team. NCCS Provides state-of-the-art computational and data science infrastructure coupled with dedicated technical and scientific professionals tackling large-scale problems across a broad range of scientific domains for accelerating scientific discovery and engineering advances. NCCS hosts the Oak Ridge Leadership Computing Facility (OLCF), one of the Department of Energy's (DOE) National User Facilities which operates Frontier, the nation's first exascale supercomputer. Major Duties/Responsibilities: Linux Administration: Deploy, configure and manage...

Requisition Id 16476 Overview: We are seeking an R&D Associate who is a highly motivated individual to dedicate alloy design, characterization, and evaluation studies in the field of powder metallurgy. The candidate is expected to join the research team focusing on designing alloys through mechanical alloying and experimentally investigating microstructure-property-process relationships in metal-based structural materials or components made through powder metallurgy. The candidate is also responsible for deriving next generation powder metallurgy technology development led through alloy and process design approaches. The candidate will have interest and experience in one or more topics listed below: Phase equilibrium (and non-equilibrium) and microstructure evolution in various alloy systems related to multi-phase containing metal-based structural materials Alloy and process design to produce metal-based structural materials through mechanical alloying and powder...

Requisition Id 16479 Overview: The Data and Communication Services (D&CS) Group in the Fabrication, Instrumentation, and Inspection Division, Facilities and Operations Directorate at Oak Ridge National Laboratory (ORNL) is seeking an Administrative Associate. The Data and Communication Services Group and its many technical needs include Computing, Audio Visual, Network, Control Systems, Calibrations, and Maintenance. The selected individual will become part of a team-oriented group that possesses diverse skills, exceptional teamwork and customer service. Major Duties/Responsibilities: Under limited supervision, this position is responsible for effective management and operation of the Data and Communication Services office and for performing a wide variety of administrative functions including: Prepare, create, route, and process work orders (electronic and hard copy) by utilizing our asset tracking software, Facility Service Center (FSC). Acts as the overtime...

Requisition Id 16505 Overview: The Computer Science and Mathematics Division at Oak Ridge National Laboratory (ORNL) is seeking an exceptional Postdoctoral Researcher to advance programming systems for extreme-scale, heterogeneous computing. This role sits at the intersection of compiler infrastructure, formal verification, runtime systems, and hardware/software co-design-expanding into emerging paradigms such as quantum and analog computational models. You will explore how compilers, runtimes, and AI-driven agents can co-optimize complex architectures, reasoning across conventional processors (CPUs/GPUs), custom accelerators, and next-generation quantum and analog devices . Your work will contribute to a vision of autonomous system engineering in which AI agents understand algorithmic intent, architectural constraints, and performance models-driving system co-design across the entire computing stack. Major Duties/Responsibilities: LLVM Compiler Innovation : Advance the...

Requisition Id 16517 Overview: We are seeking a HFIR Instrument Support - Electrical professional to support the High Flux Isotope Reactor (HFIR) neutron scattering instruments and associated infrastructure. This role will focus on maintaining and improving electrical equipment and components to ensure safe, reliable, predictable, and efficient operations of HFIR Beamline Operations (HBO). This position will produce a diverse portfolio of electrical engineering and technical support activities, including electrical system design, installation oversight, maintenance coordination, troubleshooting, independent judgment. task leading, and document development. Work may include power distribution systems, electrical design services for beamline instruments and conventional facilities, and experimental equipment. This position resides in the HFIR Instrument Support Group in the HFIR Beamline Operations Section, Neutron Scattering Division, Neutron Sciences Directorate at Oak Ridge...

Requisition Id 16510 Overview: The Project Management Office (PMO) of the Oak Ridge National Laboratory (ORNL) seeks a Project Management Staff Member to support the project management efforts on scientific research and development projects. Oak Ridge National Laboratory (ORNL) 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. Our diverse capabilities span a broad range of scientific and engineering disciplines, enabling the Laboratory to explore fundamental science challenges and to carry out the research needed to accelerate the delivery of solutions to the marketplace. Major Duties/Responsibilities: Working with the scientific Project Director and the Project Manager, this position will function as the project controls subject matter expert (SME) and be responsible for creating and maintaining the project controls policies,...

Requisition Id 16486 Overview: We are seeking a Group Leader to provide technical leadership for the Target Engineering Group. This position resides in the Target Development, Engineering & Operations Section, Neutron Technologies Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Specifically, the mission of the Target Engineering Group is: To provide robust Target Systems which are continuously prepared to accept beam and deliver neutrons to instrument operations The Target Engineering Group achieves this mission by providing design and system engineering support to a variety of target systems that support neutron production. As Group Leader, you will provide the leadership and direction to Target Engineering personnel required to support target operations, research and development, and the wider SNS mission. Major Duties/Responsibilities: Provide technical leadership to Target Engineering personnel for assigned systems...

Requisition Id 16065 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 Machine Design Engineering Group Leader 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...

Requisition Id 16491 PDAA Overview: We are seeking a Postdoctoral Research Associate who will focus on the LEGEND program's search for neutrinoless double-beta decay of Ge-76. This position resides in the Neutrino Research Group in the Fundemental Nuclear & Particle Physics Section, Physics Division, Physical Sciences Directorate at Oak Ridge National Laboratory (ORNL). As part of our research team, you will play an active role in the search for neutrinoless double-beta decay of Ge-76 with the LEGEND-200 experiment, currently operating at LNGS, help lead the R&D, design, and implementation of the LEGEND-1000 experiment, and pursue R&D that extends the physics potential of low-background, rare-event searches. The successful candidate will work closely with a range of students, other postdoctoral fellows, scientific and engineering staff, visiting scholars, as well as a large network of international collaborators. Networking opportunities extend to the group's...

Requisition Id 16502 Overview: Oak Ridge National Laboratory (ORNL) 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 Plasma Enrichment Process Management Group is seeking a Document Management and Records Coordinator who will serve as the Document Control Coordinator (DMC) and Records Management Officer (RMO) for the Plasma Enrichment Science Engineering Section within the Enrichment Science and Engineering Division (ESED) at Oak Ridge National Laboratory (ORNL). This role will lead strategic efforts to improve document and records management practices and processes, as well as support day-to-day activities involving processing, maintaining, retrieving, and disseminating information in support of document control and records management activities. ESED serves the nation in two critical areas: advancing enrichment technologies and...

Requisition Id 16465 Overview: We are seeking an Executive Administrative Assistant who will support the Fusion and Fission Energy and Science Directorate (FFESD) at Oak Ridge National Laboratory (ORNL). ORNL 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. Our diverse capabilities span a broad range of scientific and engineering disciplines, enabling the Laboratory to explore fundamental science challenges and to carry out the research needed to accelerate the delivery of solutions to the marketplace. FFESD plays a pivotal role in America's energy transformation into a clean, efficient, flexible, and secure energy future. Our researchers deliver breakthroughs in the development and deployment of fusion and fission energy in support of Department of Energy missions. FFESD seeks applications for its Executive Assistant role. This role...

Requisition Id 16492 PDAA Overview: We are seeking a Postdoctoral Research Associate with a strong background in organic synthesis to develop, characterize, and test new molecules for the chelation and separation of metal ions relevant to isotope production and energy. This position resides in the Chemical Separations Group in the Chemical Sciences Division, Physical Sciences Directorate (PSD) at Oak Ridge National Laboratory (ORNL), under the mentorship of Dr. Nikki Thiele. As part of the Chemical Separations Group, you will have the opportunity to work with a multidisciplinary team comprising specialists in organic and inorganic synthesis, coordination chemistry, thermodynamics, laser spectroscopy, materials characterization, chemical separations, computational chemistry, and nuclear chemistry. Our cold labs house state-of-the-art instruments including a triple-quad ICP mass spectrometer, single-crystal X-ray diffractometer, potentiometric titrators, and ultrafast laser...

Requisition Id 16497 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 Chemical Engineer who will focus on nuclear nonproliferation fuel cycle research. The candidate chosen for this position will be involved in work supporting the Nonproliferation Stewardship Program, the Nuclear Reference Material Program, and other related research efforts. This position resides in the Uranium Chemistry, Application, and...