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  •  ...Requisition Id 16927    Overview:    We are hiring a HPC Systems Engineer to design, operate and maintain clusters, servers, and...  ...support across multiple clustered infrastructures, we facilitate Lab-wide R&D projects. Our HPC clusters range in scope from just a handful... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    10 hours agonew
  •  ...problems in energy and  security. We are seeking a Power Electronics Engineer who will support the Electrical Power Conversion Group in the...  ...of Conduct. Our full code of conduct, and a statement by the Lab Director's office can be found here:   ~ Deliver ORNL’s mission... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    2 days ago
  •  ...Senior Mechanical EngineerWe 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... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    23 hours ago
  •  ...Center for Computational Sciences (NCCS) at Oak Ridge National Lab (ORNL), which hosts several of the world’s most powerful computer...  ...some of today's most challenging problems.As an HPC Linux Systems Engineer, you will work within the HPC Scalable Systems Group inside of... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    13 hours ago
  •  ...General Information Name HVAC Engineer Ref # 11575 Posting Date Friday, March 6, 2026 Country United States Region...  ...used nuclear fuel transfers ; providing solutions to the National Labs and to the Dept of Energy ; and supplying U.S. nuclear energy... 
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    Orano Enrichment USA LLC

    Oak Ridge, TN
    13 hours ago
  •  ...energy and security. We are seeking an entry level Electrical Engineer who will support the Electrical Power Conversion Group in the Research...  ...of Conduct. Our full code of conduct, and a statement by the Lab Director's office can be found here:   ~ Deliver ORNL’s... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    22 days ago
  •  ...hosted by Oak Ridge National Laboratory (ORNL) in Tennessee. Partner labs are Princeton Plasma Physics Laboratory (PPPL) and Savannah...  ...more about this exciting project at and . The US ITER Systems Engineer is responsible for the application of Systems Engineering... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    8 days ago
  •  ...16991 Overview:The Field Intelligence Operations Division (FIOD) of the National Security Directorate (NSSD) is seeking a Senior Engineer for a Classified High Performance Computing (HPC) Storage & Infrastructure role, helping shape the secure, high-performance computing... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    1 day ago
  •  ...Field Intelligence Operations Division invites candidates to apply to join the team as a Senior High Performance Computing (HPC) Engineer for Classified Computing to lead the design, implementation, and management of HPC systems within a classified environment. We are... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    4 days ago
  •  ...Modernization Division (LMD) at Oak Ridge National Laboratory (ORNL) is seeking qualified applicants for the position of Electrical Engineer to support the new Government Computing Facility (GCF) data center project. This role will provide electrical engineering, design... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    1 day ago
  • Requisition Id 16693 Overview:We are seeking a Cooling Systems Engineer to provide technical engineering oversight of cooling systems supporting the Spallation Neutron Source (SNS) and High Flux Isotope Reactor (HFIR). This position resides in the Cooling Systems Group... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    13 hours ago
  • Requisition Id 16920 Overview:We are seeking an Experiment Project Engineer who will perform a diverse set of activities related to analysis...  ...of in-vessel and gamma irradiations at the Oak Ridge National Lab (ORNL) High Flux Isotope Reactor (HFIR). These will largely... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    4 days ago
  • Requisition Id 16933 ­­Level: TP04Overview:The Design Engineering Group in the Nonreactor Nuclear Facility Division (NNFD) is hiring a Mechanical Design Engineer for its Mechanical Design Team. The engineer will work with project teams, discipline leads, and stakeholders... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    13 hours ago
  •  ...provides pioneering computational infrastructure for technical and scientific professionals to accelerate scientific discovery and engineering advances across a broad range of subject areas. NCCS is home to some of the fastest supercomputers and storage systems in the... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    13 hours ago
  •  ...Oak Ridge National Laboratory in Oak Ridge, TN, is seeking a Data Engineer to automate image processing and geospatial analytics in a secure environment. You will develop scalable pipelines, ingest and transform imagery and geospatial data, and build dashboards and artifacts... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    2 days ago
  •  ...Senior High Performance Computing Engineer - Classified EnvironmentThe Field Intelligence Operations Division invites candidates to apply to join the team as a Senior High Performance Computing (HPC) Engineer for Classified Computing to lead the design, implementation... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    3 days ago
  •  ...Maintenance Engineer at the High Flux Isotope ReactorWe are seeking a Maintenance Engineer for the High Flux Isotope Reactor (HFIR) who will be responsible for maintaining the HFIR equipment and facilities to ensure safe, reliable, predictable, and efficient operations... 

    Oak Ridge National Laboratory

    Oak Ridge, TN
    3 days ago
  • Requisition Id 16512 Overview:We are seeking a Chief Safety Basis Engineer who will primarily focus on safety basis quality and adequacy for all nuclear facilities at Oak Ridge National Laboratory (ORNL). The Chief Safety Basis Engineer is the senior nuclear safety engineer... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    13 hours ago
  •  ...Materials & Nuclear Pay: 83k - 92k DOEPosition SummaryThe Materials Engineer provides technical expertise and engineering support for TEC's...  ...and standard office equipment.TEC XRD systems and additional lab equipment.Measuring devices such as micrometers and calipers.... 
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    PrideStaff

    Knoxville, TN
    13 hours ago
  •  ...I&C System EngineerThe System Engineering Group within the Nuclear Facility Management Section of the Nonreactor Nuclear Facilities Division (NNFD) is seeking to hire an Instrumentation and Controls System Engineer. This group is responsible for the NNFD facility's configuration... 

    Oak Ridge National Laboratory

    Oak Ridge, TN
    22 hours ago
  •  ..., LLC. (BGS) has created this Evergreen Talent Pool post for gathering qualified candidates for a position relating to Electrical Engineer to support the Advance Energy Business Unit at our corporate office in Oak Ridge, TN. BGS is an engineering, technology, and security... 
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    ClearanceJobs

    Oak Ridge, TN
    3 days ago
  •  ...Nuclear Nonproliferation Division. The role supports hardware and software development for electrical instrumentation and controls engineering, including custom circuit design, power distribution hardware, embedded systems, and industrial sensing applications. The... 

    UT-Battelle

    Oak Ridge, TN
    2 days ago
  •  ...Nuclear Mechanical EngineerOak Ridge National Laboratory (ORNL) is seeking a Nuclear Mechanical Engineer with experience in the analysis of heat transfer and fluid flow in nuclear systems to provide support in the development of novel radioisotope production targets and... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    22 hours ago
  •  ...Systems EngineerBoston Government Services, LLC. (BGS) is seeking a Systems Engineer to support our client in Oak Ridge, TN. BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories... 
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    Navstar

    Oak Ridge, TN
    23 hours ago
  •  ...deliver the essential building blocks of nuclear power—enabling cost-effective, safe, and secure energy for the world.The Materials Engineer will support development, testing, and scale-up of advanced materials and manufacturing processes for Standard Nuclear. This role... 
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    Standard Nuclear, Inc.

    Oak Ridge, TN
    4 days ago
  •  ...Electrical EngineerBoston Government Services, LLC. (BGS) is seeking an Electrical Engineer to join our team in Oak Ridge, TN. BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories... 
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    Navstar

    Oak Ridge, TN
    1 day ago
  •  ...Ridge National Laboratory (ORNL) is seeking a Nuclear Mechanical Engineer with experience in the analysis of heat transfer and fluid flow...  ...Code of Conduct. Our full code of conduct, and a statement by the Lab Director's office can be found here: ORNL’s mission by aligning... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    3 days ago
  •  ...infrastructure solutions supporting exascale-class and mission-critical computing environments.Serve as a technical mentor for HPC engineers, guiding best practices in automation, performance tuning, and system security.Develop, implement, and maintain configuration... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    3 days ago
  • Requisition Id 17025 Overview:The Electrical, Instrumentation, and Controls Engineering (EICE) group within the Enrichment Science and Engineering Division (ESED) seeks a Senior Instrumentation and Control (I&C) Systems Engineer to develop LabVIEW‑based data acquisition... 
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    Oak Ridge National Laboratory

    Oak Ridge, TN
    10 hours agonew
  •  ...treatment of acute illnesses and injuries, workers' compensation, and occupational medicine. Each location is equipped with an onsite lab and in-house x-ray capability. AFC is the parent company of AFC Franchising, LLC (AFCF). This position works directly with a... 
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    American Family Care

    Knoxville, TN
    13 hours ago