49 jobs found in Oak Ridge, TN

Requisition Id 16315 Overview: We are seeking an engineer who will focus on using surveying and engineering analysis skills to plan accurate, high-precision metrology and alignment on a wide variety of mechanical systems in support of the Spallation Neutron Source (SNS) accelerator systems and neutron beam lines. The position will also occasionally support other projects and efforts across the Oak Ridge National Lab complex. This position resides in the Survey, Alignment, and Metrology Group in the Neutron Technologies Engineering Section, Neutron Technologies Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Work with scientists, engineers, and technicians to achieve required alignment and metrology tolerances. Perform analysis of measurements using coordinate system transformations, least squares, and uncertainty propagation. Plan and supervise dimensional inspection and feudalization of mechanical...

Requisition Id 16297 Overview: We are seeking a Postdoctoral Research Associate who will focus on polymer synthesis and characterization for fundamental understanding of depolymerization and polymerization of polymers coupled with autonomous chemistry https://www.ornl.gov/project/precision-synthesis-polymers-mastering-reaction-equilibria. This position resides in the Soft Materials and Membranes group in the Separation and Polymer Chemistry section, Chemical Sciences Division, Physical Sciences Directorate, at Oak Ridge National Laboratory (ORNL). As part of our team, the postdoc will synthesize novel polymers (both polymerization and depolymerization) especially utilizing robotic autonomous chemistry, unravel mechanistic understanding, valorize to new polymers using depolymerized building blocks, as well as conduct their characterization. The project is highly collaborative, and the postdoc will work with other polymer scientists, physicists, computational scientists, as...

Requisition Id 16300 Overview: We are seeking a Fusion Blankets Lead to provide strategic and technical leadership for research and development (R&D) in fusion blanket and fuel cycle technologies at Oak Ridge National Laboratory (ORNL). This position will play a central role in shaping and executing ORNL's vision for fusion nuclear science and engineering, with emphasis on tritium breeding, fuel cycle closure, and power extraction systems for future fusion energy devices. The Fusion Blankets Lead will report to the Fusion Energy Division Director and work across ORNL's Fusion Energy Division (FED), Materials Science and Technology Division (MSTD), and other directorates to develop and integrate a coordinated, lab-wide strategy. This role will also interface closely with DOE, international partners, and the private fusion sector. A key responsibility will be defining and advancing the technical basis and programmatic strategy for fusion blanket and fuel cycle technologies,...

Requisition Id 16298 Overview: Oak Ridge National Lab is seeking a technician for the Survey, Alignment, and Metrology Group. In this role, you will be responsible for using high-precision instruments to perform accurate, high-precision alignment and metrology on a wide variety of mechanical systems in support of the SNS accelerator systems and neutron beam lines. These can be one-of-a-kind or first-of-a-kind systems and frequently have unique alignment issues, often requiring innovative solutions. This position resides in the Survey, Alignment, and Metrology group in the Neutron Technologies Engineering Section, Neutron Technologies Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Works with scientists, engineers and other technical staff to determine required alignment and mapping tolerances. Performs precise and accurate measurements with instruments such as laser trackers, coordinate measuring machines,...

Requisition Id 16296 Overview: We are seeking a Postdoctoral Research Associate to develop AI-driven automation workflows for aberration-correction scanning transmission electron microscopy (STEM) to accelerate the characterization of degradation mechanisms in catalysts and electrochemical devices. This position resides in the Applied Microanalysis and Thermophysics (AMAT) Group in the Materials Analysis & Interface Science Section of the Materials Science and Technology Division (MSTD), Physical Sciences Directorate at Oak Ridge National Laboratory (ORNL). As part of our research team, you will collaborate with world leaders in catalysis and electrochemistry through national laboratory consortia of the Department of Energy's Office of Critical Minerals and Energy Innovation (CMEI). Your role will be to work with the new aberration-corrected Thermo Fisher Spectra Ultra STEM to help drive the development of automated routines for analyzing catalyst structure and...

Requisition Id 16245 Overview: The Reactor Analysis and Modeling (RAM) Group within the Nuclear Safety and Experiment Analysis (NSEA) Section of the Research Reactors Division (RRD), Neutron Sciences Directorate (NScD) is seeking a Distinguished R&D Reactor Physics Staff at the High Flux Isotope Reactor (HFIR). The HFIR is a nuclear reactor at Oak Ridge National Laboratory and has one of the highest power densities in the world. Our purpose is to support neutron scattering experiments, to produce medical and industrial isotopes that require one of the highest thermal neutron fluxes in the world, and to perform fuels and materials irradiation experiments. We are looking for a highly motivated senior reactor analyst who is comfortable working in a team environment, with collaboration at all levels, disciplines, and diverse cultural backgrounds both inside and outside the organization. The successful candidate should have a strong interest in nuclear reactor analysis and a...

Requisition Id 16290 Overview: We are seeking Postdoctoral Research Associates who will focus on materials joining and allied materials sciences and manufacturing technologies. These positions reside in the Materials Joining Group in the Materials Analysis and Interface Science Section, Materials Science and Technology Division, Physical Sciences Directorate, at Oak Ridge National Laboratory (ORNL). Multiple positions are available to support R&D with different research focuses. They include innovations in joining and materials processing/synthesis, AI/ML for process monitoring and control, and physics based computational modeling of joining processes or performance of welded structures. As a postdoc, you will conduct research and development at the forefront and often at the intersection of above topic areas as part of our multi-disciplinary team, with access to the vast research resources in a national laboratory environment, to advance your career. Major...

Requisition Id 16262 Overview: We are seeking a postdoctoral researcher to work at the intersection of tensor networks, quantum algorithms, scientific computing, topological physics, and quantum hardware. As part of our team, you will perform research to develop new scalable quantum simulation algorithms, based on multi-linear representation theory, and apply them to real world applications spanning qubit engineering to quantum algorithmic analysis to applications across the physical sciences (condensed-matter or high energy physics, data science). You will Interpret, report, and present research concepts and results to national. This position resides within the Quantum Computational Science Group in the Computational Sciences and Engineering Division (CSED) at Oak Ridge National Laboratory (ORNL). CSED performs transdisciplinary computational science and analytics at scale to produce advancements in physical sciences, engineering, and biomedicine and health. The Quantum...

Requisition Id 16258 Overview: The Environmental Risk and Energy Analysis group within the Environmental Sciences Division (ESD) at Oak Ridge National Laboratory (ORNL), is seeking a Scientist position in radiation dosimetry research. We seek a colleague with research interests in exploring radiation effects on humans using advanced simulation and computational approaches for radiation dose modeling and assessments. Responsibilities of the position will include advancing the Center for Radiation Protection Knowledge's (CRPK) existing research capabilities and ongoing programs as well as assisting in developing new research programs in radiation dosimetry. Environmental Sciences Division is an interdisciplinary research and development organization with over 60 years of achievement in local, regional, national, and international environmental research. Our vision is to expand scientific knowledge and develop innovative strategies and technologies that will strengthen the...

Requisition Id 16261 Overview: We are seeking a Postdoctoral Research Associate who will focus on the physics and materials science of PLD-synthesized twisted oxide and hybrid quantum materials. This position resides in the Neutron & X-Ray Scattering, & Thermophysics group in the Materials Analysis and Interface Science Section, Materials Science and Technology Division, Physical Sciences Directorate at Oak Ridge National Laboratory (ORNL). As part of our research team, you will work in a highly collaborative environment with a broad spectrum of expertise, including epitaxial synthesis, twisted membrane fabrication, quantum transport, neutron/x-ray scattering, and spectroscopy. You will perform cutting-edge research on correlated quantum heterostructures, including epitaxial synthesis by pulsed laser deposition, characterization, analyzing data, and writing papers. Major Duties/Responsibilities: Conduct epitaxial synthesis of complex-oxide thin films and...

Requisition Id 16254 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. We are seeking a highly motivated Postdoctoral Research Associate to conduct cutting-edge research in artificial intelligence for scientific discovery within a national laboratory environment. The successful candidate will develop and apply advanced machine learning techniques-including multimodal AI, computer vision, and large language models-to complex scientific and engineering challenges. This role emphasizes interdisciplinary collaboration, scalable data systems, and impactful research aligned with mission-driven science. As a postdoctoral researcher, you will...

Requisition Id 16247 Overview: We are seeking an experienced profession to lead ACCEL ( A ccelerating C ompetitiveness through C omputational E xce L lence), an industrial partnerships program within the National Center for Computational Sciences (NCCS). This position can be on-site, remote, or hybrid. Selection will be based on qualifications, relevant experience, skills, and education. NCCS provides state-of-the-art computational and data science infrastructure coupled with dedicated technical and scientific professionals tackling large-scale S&T challenges across a broad range of scientific domains for accelerating scientific discovery and engineering advances. NCCS hosts the Oak Ridge Leadership Computing Facility, one of DOE's National User Facilities which operates Frontier, the nation's first exascale supercomputer. Purpose: The Program Director of ACCEL will collaborate across other sections in the division and directorate to strategically advance the ACCEL...

Requisition Id 15937 Overview: We are seeking an AI Security Systems Architect to design and develop state-of-the-art systems for security testing and evaluation of artificial intelligence technologies. This role involves creating scalable infrastructure to support cutting-edge adversarial testing methodologies, such as red team vs. blue team exercises and AI-on-AI evaluation frameworks. The ideal candidate will bring a strong foundation in systems architecture, a working knowledge of cluster computing and scaling, and a passion for advancing the security of AI systems under real-world and simulated conditions. This position is critical for ensuring that AI systems remain resilient, robust, and secure against evolving threats. This person will play a key role within ORNL's Center for AI Security Research (CAISER) where he or she will work to advance the state-of-the-art in Automated, Agentic workflows for AI Security research, testing and evaluation. Key Responsibilities:...

Requisition Id 16226 Overview: We are seeking highly motivated and skilled nuclear research scientists to join our dynamic research team. You will play a pivotal role in advancing the field of nuclear science and technology by contributing to various research initiatives across multiple areas. This position offers a unique opportunity to engage in innovative projects related to nuclear safety, advanced materials, energy systems, and more, while collaborating with interdisciplinary teams to drive critical advancements in the nuclear sector. This is an evergreen position. We are continually reviewing applications to fill potential openings as they arise. If you are eager to advance your knowledge and skills in a collaborative environment, apply today to be part of our dynamic environment! The Oak Ridge National Laboratory (ORNL), established in 1943 as part of the Manhattan Project, is a leading U.S. research facility renowned for its contributions to nuclear science and...

Requisition Id 15893 Overview: The Nanomaterials Chemistry Group within the Chemical Sciences Division at ORNL is seeking to fill a postdoctoral position available for an inorganic, organic, polymeric, or physical chemist with expertise in electrode or electrolyte chemistry for development of new electrode or electrolyte systems for battery applications. The primary focus will be on synthesis and purification of electrode or electrolyte systems and evaluation of their battery performance. The program will have a strong collaborative component with characterization (e.g. electron microscopy, electrochemical study, neutron scattering) and computational scientists working on the same program. Major Duties/Responsibilities: Synthesize novel electrode or electrolyte materials. Evaluate electrochemical properties of the above materials. Collaborate with ORNL postdocs and staff who are involved in structural characterization. Participate in the development of new ideas and...

Requisition Id 16218 Overview: The Multiscale Biomedical Systems Group within the Advanced Computing in Health (ACH) section of the Computational Sciences and Engineering Division (CSED) at Oak Ridge National Laboratory (ORNL) seeks a motivated Research Professional. This position primarily focuses on large-scale molecular dynamics (MD) simulations and AI-integrated multiscale modeling of complex biosystems. The successful candidate will also contribute to efforts that bridge molecular, cellular, and systems-level modeling, with growing relevance to emerging paradigms such as whole-cell modeling and networked biological systems. You will work at the intersection of high-performance computing (HPC), computational biophysics, and machine learning, leveraging leadership-class computing resources and collaborating across ORNL, federal agencies, and academic partners. Key Responsibilities: Develop and apply scalable molecular dynamics (MD) and multiscale simulation workflows...

Requisition Id 16217 Overview: The Multiscale Biomedical Systems Group within the Advanced Computing in Health (ACH) section of the Computational Sciences and Engineering Division (CSED) at Oak Ridge National Laboratory (ORNL) seeks a motivated Postdoctoral Research Associate. This position primarily focuses on large-scale molecular dynamics (MD) simulations and AI-integrated multiscale modeling of complex biosystems. The successful candidate will also contribute to efforts that bridge molecular, cellular, and systems-level modeling, with growing relevance to emerging paradigms such as whole-cell modeling and networked biological systems. You will work at the intersection of high-performance computing (HPC), computational biophysics, and machine learning, leveraging leadership-class computing resources and collaborating across ORNL, federal agencies, and academic partners. Key Responsibilities: Develop and apply scalable molecular dynamics (MD) and multiscale simulation...

Requisition Id 16169 Overview: The Environmental Sciences Division (ESD) of Oak Ridge National Laboratory (ORNL) has an opening for a Data Systems Software Engineer II, in its Earth Sciences Informatics portfolio. You will help develop modular and scalable software tools and infrastructure for data processing and data center operations in the Earth, climate, and environmental sciences, such as the Atmospheric Radiation Measurement (ARM) Data Center. Major Duties/Responsibilities: ARM Data Center processes, archives and distributes atmospheric observations from observatories across the globe and provides computational infrastructure and analysis tools for the scientific community. In this position, you will: Work independently and as part of a team to research, develop and operate back-end data analysis workflows and processes at scale in a HPC environment. Design and develop new creative solutions for increasing large volumes of historical and streaming data analysis on...

Requisition Id 16198 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 Cybersecurity Research Assistant who will support the Cybersecurity Research Group in the Cyber Resilience and Intelligence Division, National Security Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Support with designing, configuring, and running advanced cybersecurity experimentation testbeds Write software to support cutting edge research and facilitate Proof of Concept demonstrations Implement, evaluate, and enhance machine learning pipelines for cybersecurity applications Basic Qualifications: An MS in computer science, mathematics, or a related field completed within the last 5 years. A BS degree and at least 2 years of relevant research...

Requisition Id 16194 Overview: Interested in taking your scientific computing skills to the next level? We are seeking a research scientist to work in a world-class research group in the areas of emerging architectures and performance for advanced computing. This position resides in the Architectures and Performance Group in the Advanced Computer Systems Research (ACSR) / Comuter Science Mathematics Division (CSMD)/ Computing and Computational Sciences Directorate (CCSD) at Oak Ridge National Laboratory. The Architectures and Performance Group (APG) designs and prototypes the scientific computing systems of tomorrow. APG works closely with domain scientists to solve key computational challenges in DOE's scientific mission. We are conducting research in emerging computing paradigms such as neuromorphic, analog, and quantum computing. We coordinate and partner with other groups across ORNL, other national laboratories, academia, and industry to investigate the fast-moving,...