169 jobs found in tennessee

Requisition Id 17002 Overview: We are seeking two Computational Instrument Scientists who will focus on developing software analysis tools for the diffraction instruments. These positions reside in the Powder and the Single Crystal Diffraction Groups in the Diffraction Section, Neutron Scattering Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Applications are sought from highly creative and motivated individuals with demonstrated skills/experience in method development who will join the interdisciplinary team of instrument scientists that support the diffraction instruments at the High Flux Isotope Reactor (HFIR) and at the Spallation Neutron Source (SNS). Additional information and specifications for these instruments may be found on the following ORNL Neutron Sciences website: https://neutrons.ornl.gov/suites/diffraction As part of our research team, you will emphasize developing software analysis tools for multi-dimensional data...

Requisition Id 17001 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, advanced, and resilient solutions for building envelopes of new construction and retrofits to enable DOE's energy efficiency 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 and Industrial Technologies Offices we have the most extensive building envelope research portfolio and manufacturing demonstration facility in the nation. We are seeking to add to our team an energetic and creative postdoctoral research associate. Major Duties/Responsibilities: Research and develop the next...

Requisition Id 16994 Overview: The Geospatial Science & Engineering Division (GSED), of the National Security Sciences Directorate (NSSD), is seeking a highly motivated Data Engineer to support the automation of image processing and data science workflows in a classified environment. This position will contribute to the development of scalable analytic pipelines, automated exploitation tools, and reproducible computational workflows that improve the processing, integration, and interpretation of imagery, geospatial, and operational datasets. The successful candidate will assess research and operational needs and develop more complex data science solutions that advance organizational objectives. This role will conduct sophisticated analyses, integrate methodologies, and interpret outcomes to support innovation and improve efficiency. The selected individual will define systems and processes that enhance accuracy, scalability, security, and reproducibility of results across...

Requisition Id 17013 Overview: Oak Ridge National Laboratory (ORNL) seeks a dynamic, experienced professional who is passionate about applying science and technology (S&T) to strengthen U.S. industrial competitiveness, energy abundance, and resilient domestic supply chains. ORNL's Advanced Manufacturing program operates at the nexus of energy and industry, advancing applied S&T that helps U.S. manufacturers remain innovative, cost-effective, and efficient. The Manufacturing Strategy Manager is a key strategic advisor to the Advanced Manufacturing program and Manufacturing Demonstration Facility (MDF) leadership. The role drives strategic alignment, coordinates high-priority initiatives, strengthens sponsor and stakeholder relationships, and leads special projects that advance the impact of ORNL's advanced manufacturing research portfolio. The position supports technologies funded by the Department of Energy's (DOE's) Office of Critical Minerals and Energy Innovation...

Requisition Id 16976 Overview: The Transportation Security Engineering and Analysis Group within the Nuclear Nonproliferation Division (NND) at ORNL seeks applications for a Nuclear Security Engagement Associate who will support U.S. Department of Energy (DOE) and National Nuclear Security Administration (NNSA) missions related to the safe and secure transportation of nuclear and radioactive materials. As part of our team, you will apply critical thinking, technical analysis, program coordination, and project management skills to address complex transportation security challenges. The Nuclear Nonproliferation Division (NND) performs a wide range of scientific, technical, and programmatic activities in all facets of the global nuclear enterprise from nonproliferation project support and management to research and development (R&D) pertaining to nuclear materials processing, nuclear safeguards and security, security program management, and transportation security of...

Requisition Id 16894 Overview: This position will serve as the technical advisor to the Bethel Valley Hot Cell facilities within Nonreactor Nuclear Facilities Division (NNFD). This position has multiple roles including Safety Basis Implementation, Radioactive Material Inventory Tracking and Evaluation, serving as the facility Material Balance Area Representative (MBAR), and Conduct of Operations Implementation. The Safety Basis documents are Department of Energy (DOE) approved documents that govern the operation of our nuclear facilities and failure to comply with the requirements can result in reportable occurrences and fines for the organization. Many of these activities impact multiple NNFD facilities. In addition to these duties, this position may serve as the Facility Manager and Operations Group Lead liaison for conducting assessments and developing corrective actions for inventory related requirements. Major Duties and Responsibilities: Review any relevant changes...

Requisition Id 16983 Overview: The Field Intelligence Operations Division (FIOD) of the National Security Directorate (NSSD) is seeking a Senior High Performance Computing (HPC) Engineer for Classified Computing, where you will help shape advanced computing capabilities supporting some of the nation's most important national security and scientific missions. In this role, you will lead the design, implementation, modernization, and operation of HPC environments built to solve complex computational challenges within highly secure classified environments. You will bring expertise in HPC architecture, cluster management, parallel computing, and performance optimization while helping evaluate and introduce emerging technologies that advance mission capabilities. You will work alongside a multidisciplinary team of HPC and systems engineers, cybersecurity professionals, scientists, researchers, and mission partners to develop computing solutions that deliver exceptional performance...

Requisition Id 16986 Overview: We are seeking a Mechanical Design Engineer who will provide mechanical engineering design support for Spallation Neutron Source (SNS) systems, with emphasis on remote handling, post-irradiation examination (PIE) support, activated component handling, and spent component disposal support. This position also provides remote handling technical support to operations personnel during maintenance outages. This position resides in the Target Engineering Group in the Target Development, Engineering & Operations Section, Neutron Technologies Division, Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: Provide mechanical engineering design support for all phases of remote handling. Support fabrication, commissioning, operation, troubleshooting, and maintenance of remote handling tools and systems. Develop concepts to final detailed designs using Creo. Prepare plans, estimates, and...

Requisition Id 16954 Overview: We are seeking a Facility Engineer who will focus as the primary technical resource and Design Authority for issues related to facility infrastructure. This position resides in the Central Complex in the Facilities Management Division, Facilities and Operations Directorate at Oak Ridge National Laboratory (ORNL). As part of our team, you will be the resident authority on engineering aspects related to system operations and maintenance. Facility Engineers ensure configuration control for facilities and systems and manage Preventive/Predictive Maintenance programs. Major Duties/Responsibilities: Support the design, installation and maintenance of electrical, mechanical and HVAC installations. Facility Engineers must have and maintain an in-depth understanding of the technical aspects of the facility systems for/which they are responsible. Estimates costs related to design, materials and labor, and monitors construction process. Maintain and...

Requisition Id 16937 Overview: The Computing and Computational Sciences Directorate (CCSD) at Oak Ridge National Laboratory (ORNL) is seeking a Programs and Planning Specialist to manage and direct the Strategic Partnerships Projects (SPP) proposal process as well as support ORNL's Advanced Scientific Computing Research (ASCR) research program and National Institutes of Health proposal processes. Strategic Partnership Projects is a mechanism that enables other Federal agencies and non-Federal customers to work with the national laboratories, while the Department of Energy's (DOE) ASCR advances high-potential, high-impact computing and computational sciences. CCSD stewards all ASCR activity for ORNL. The successful candidate will work closely with CCSD leadership and staff in the areas of proposal preparation and submission, planning, and programmatic management for SPP and ASCR research activities. The ideal candidate will be a team player who can achieve work objectives...

Requisition Id 16860 Overview: We are seeking a versatile and innovative Senior Mechanical Engineer to join the High Pressure Sample Environment Group within the Sample Environment and Labs Section, Neutron Scattering Division at Oak Ridge National Laboratory (ORNL). In this role, you will be a key driver in achieving our vision: "to be the global leader in high-pressure neutron science support through our commitment to providing an unparalleled user experience while enabling complex experiments with the highest standards of safety and reliability." You will lead the design, analysis, and implementation of cutting-edge pressure vessels and specialized equipment used at the Spallation Neutron Source (SNS) and the High Flux Isotope Reactor (HFIR). You will bridge the gap between scientific requirements and physical reality, ensuring our systems are engineered for peak performance and absolute safety. Major Duties/Responsibilities: Guided by group and division goals,...

Requisition Id 16735 Overview: The Integrated Building Deployment and Analysis (IBDA) Group within the Buildings and Transportation Sciences Division (BTSD) of the Energy Science and Technology (ESTD) at the Oak Ridge National Laboratory(ORNL) is seeking applicants for a technical professional position that focuses on residential energy audit development and training as well as applied research and development projects related to the implementation of residential weatherization programs. The IBDA Group works to optimize the energy performance of residential buildings and residential weatherization programs through applied research, technical assistance, technology deployment, and program evaluation. The team's comprehensive knowledge of residential buildings and weatherization programs spans multiple building types, auditing systems, and program impacts. This position is part of ORNL's team that provides technical support to the U.S. Department of Energy's Weatherization...

Requisition Id 16939 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. The primary...

Requisition Id 16999 Overview: We are seeking a Postdoctoral Researcher who will focus on conducting, coordinating, and reporting complex research assignments related to advanced thermal and energy system technologies. This position resides in the Multifunctional Equipment Integration Group in the Thermal System Science Research Section, Buildings and Transportation Science Division, Energy Science and Technology Directorate, at Oak Ridge National Laboratory (ORNL). Major Duties/Responsibilities: The successful candidate will be responsible for conducting, coordinating, and reporting complex research assignments related to energy conversion systems including: Prototype development Material synthesis and analysis Performance testing Analysis of results Preparing research publications Prepare technical reports, peer-reviewed publications, presentations, and project deliverables for sponsors and stakeholders. Collaborate with multidisciplinary teams and engage with...

Requisition Id 17006 Overview: We are seeking a Training Program Lead for the Spallation Neutron Source (SNS) at Oak Ridge National Lab (ORNL). In this role, you will ensure training requirements are defined, implemented, tracked, and continuously improved across SNS organizations, including support for facility users and nonemployee/student training. This position resides in the Reactor Certifications & Qualifications Group, Business Management Services Section, Research Reactors Division (RRD), Neutron Sciences Directorate at ORNL - note that despite the section name, this role supports the SNS, an accelerator-based facility. The SNS produces neutrons through spallation, using an accelerator to fire short proton pulses at a liquid mercury target, generating neutrons for instruments supporting research in physics, chemistry, biology, and materials science. ORNL is the largest U.S. Department of Energy science and energy laboratory, conducting research to deliver...

Requisition Id 17008 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an 80-year legacy of supporting the nation's security and strategic missions. ORNL is home to more than 7,000 dedicated, innovative staff, working in a culture that values diverse perspectives and backgrounds. In addition to cutting edge science, ORNL's work includes protecting sensitive technologies and ensuring compliance with U.S. laws and international obligations designed to prevent the spread of weapons of mass destruction and their delivery systems. The Nuclear Nonproliferation Division (NND) at ORNL advances U.S. export control and nonproliferation objectives by providing subject matter expertise that strengthens national security policy, supports regulatory improvements, and enhances compliance and implementation at both localized and federal levels. Within NND, the Nonproliferation Safeguards and Treaty Verification Section provides direct support to...

Requisition Id 17007 Overview: The Isotope Processing and Manufacturing Division (IPMD) at Oak Ridge National Laboratory (ORNL) is seeking a Hot Cell Operations Technician to support operations and isotope production missions at building 7920. The specific need for this position is for a 12-hour rotating shift radiochemical operations and processing technician. The primary responsibility of the Technician is to ensure that all research and operations work is completed in a safe and compliant manner to meet established program goals within time and resource restrictions. This is accomplished by assisting the 7920 Operations Shift Supervisor and ensuring that all work is performed in accordance with applicable Nonreactor Nuclear Facilities Division (NNFD) and IPMD division work control, change control, procurement, fabrication, and testing requirements. Major Duties and Responsibilities: Complete chemical processing operations including dissolution, separation, purification,...

Overall Job Summary Tractor Supply Company is currently hiring for our 2027 Merchandising Summer Internship Program at our Store Support Center located in Brentwood, TN! The Merchandising Summer Internship is an 11-week, hands-on program designed for students interested in building a career in retail merchandising. Interns will be aligned to a specific area within the Merchandising organization, where they will gain meaningful experience supporting projects and initiatives that directly contribute to Tractor Supply's business. Depending on placement, interns may gain experience in areas such as Buying, Product Development, Merchandising Operations & Events, Merchandise Presentation, or Data & Analytics. Throughout the summer, interns will build an understanding of the merchandising lifecycle, develop analytical and business skills, collaborate with cross-functional partners, and see firsthand how merchandising decisions influence the customer experience and overall...

Overall Job Summary Tractor Supply Company is currently hiring for our 2027 Information Technology (IT) Summer Internship Program at our Store Support Center located in Brentwood, TN! The IT Summer Internship is an 11-week program designed for students interested in building a career in information technology. Interns gain hands-on experience within a specific area of IT while working alongside experienced professionals and contributing to meaningful technology initiatives. Throughout the summer, interns may gain exposure to areas such as software engineering, data and analytics, infrastructure and cloud technologies, information security, technical support, or project management. Interns will apply classroom knowledge to real-world business challenges, strengthen their technical and problem-solving skills, and learn how technology enables innovation, efficiency, and business operations across the nation's largest rural lifestyle retailer. What you can expect from us when...

Overall Job Summary Tractor Supply Company is currently hiring for our 2027 Store Administration Summer Internship Program at our Store Support Center located in Brentwood, TN! The Store Administration Summer Internship is an 11-week program designed for students interested in building a career in analytics, internal communications, and corporate real estate strategy while supporting a major national retailer. Interns gain hands-on experience supporting initiatives that impact Tractor Supply stores while working alongside experienced Store Operations professionals. Throughout the summer, interns may contribute to projects focused on operational analysis, process improvement, store communications, technology, and the overall Team Member and customer experience. Interns will also have opportunities to gain firsthand exposure to field leadership and other partners across the organization to support consistent and efficient execution. What you can expect from us when you...