Supplier Quality Engineer BWXTSupplier Quality EngineerOak Ridge, TN$76,000–$119,000 / yearBWX Technologies, Inc. and its affiliates and subsidiaries (BWXT) is not responsible for and does not accept any liability for fees or other costs associated with resumes or candidates presented by recruiters or employment agencies, unless a binding, written recruitment agreement between BWXT and the recruiter or agency exists prior to the presentation of candidates or resumes to BWXT and includes the specific services, job openings, and fees to be paid (“Agreement”). A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration.
Manufacturing / Fabrication Engineer GEM TechnologiesManufacturing / Fabrication EngineerOak Ridge, TennesseeFounded in 1994 as a nuclear engineering firm to support federal operations in East Tennessee, GEM has since expanded into a nationwide, multi-disciplinary provider with over 270 employees and a diverse portfolio of contracts in the environmental, nuclear, and defense sectors. GEM Technologies, Inc. (GEM) is an award-winning federal contractor with more than 30 years of experience providing environmental, construction, facility management, and technical services to federal agencies, state and local governments, and commercial organizations.
Senior Engineer, Reactor Vessel Kairos PowerSenior Engineer, Reactor VesselOak Ridge, TN$140,600–$165,400 / yearEngage with manufacturing, assembly, suppliers, and operations teams to support reactor vessel fabrication, inspection, installation, testing, and maintenance, including review of fabrication drawings, manufacturing processes, inspection plans, material certifications, and nonconformance dispositions. You will work closely with adjacent reactor system teams to mature reactor vessel design requirements, resolve technical and spatial interfaces, support design trades, and deliver hardware that meets safety, performance, manufacturability, inspection, and maintainability objectives.
Distinguished Engineer, Reactor Systems Kairos PowerDistinguished Engineer, Reactor SystemsOak Ridge, TNThe Reactor Systems department is seeking a highly accomplished Distinguished Engineer to provide senior technical leadership across reactor system design, integration, analysis, testing, qualification, and deployment for Kairos Power's fluoride-salt-cooled, high-temperature reactor technology. Prepare and review reactor systems design documentation and supporting engineering analyses, including design descriptions, drawings, test plans, reports, specifications, calculations, design decision records, thermal/structural/system analyses, FMEAs, hazard analyses, and design margin assessments.
Commissioning and Startup Test Engineer Edgewater Technical AssociatesCommissioning and Startup Test EngineerOak Ridge, TennesseeEdgewater has a proven track record and is a trusted provider of fixed-price construction projects, engineering, and technical services for the Department of Energy (DOE), Department of Defense (DOD), National Nuclear Regulatory Commission (NRC), Canadian Commercial Nuclear Industry, and private sector commercial contractors involved in nuclear, high-hazard, or complex operations. Founded in 2003, Edgewater Technical Associates, LLC (Edgewater) is a New Mexico-based small business headquartered in Los Alamos, NM, with five (5) regional offices across the United States to locally support our growing presence at project sites.
Reliability Engineer Edgewater Technical AssociatesReliability EngineerOak Ridge, TennesseeEdgewater has a proven track record and is a trusted provider of fixed-price construction projects, engineering, and technical services for the Department of Energy (DOE), National Nuclear Regulatory Commission (NRC), Canadian Commercial Nuclear Industry, and private sector commercial contractors involved in nuclear, high-hazard, or complex operations. Founded in 2003, Edgewater Technical Associates, LLC (Edgewater) is a New Mexico-based small business headquartered in Los Alamos, NM, with five (5) regional offices across the United States to locally support our growing presence at project sites.
CSU (Commissioning and Start Up) Test Engineer, Level II Akima, LLCCSU (Commissioning and Start Up) Test Engineer, Level IIOak Ridge, TennesseeDescription: Akima Infrastructure Services, LLC (AIS), is actively seeking Engineering, Professional, Technical, and administrative support personnel as part of our staff augmentation team supporting the Department of Energy at the Y‑12 National Security Complex located in Oak Ridge, Tennessee and the Pantex Plant located in Amarillo, Texas. Successful candidates will be employees of AIS, a premier government contractor charged with employing highly motivated and well-qualified personnel who can advance Y-12's core mission to ensure a safe, secure, and reliable U.S. nuclear deterrent, which is essential to national security.
Supplier Engineer 3 Denso CorpSupplier Engineer 3Maryville, TN$96,000–$133,000 / yearAbility to work with Suppliers; drive improvements with current partner suppliers as well as introduce new strategic suppliers to strengthen competitiveness. We are looking for Supplier Engineers to help us introduce these new technologies and ensure timely, high quality, and optimized cost solutions!
Metrology Lead Engineer Type One Energy GroupMetrology Lead EngineerKnoxville, TennesseeTeam player capable of leveraging an organization stacked with an array of highly educated and skilled subject matter experts who bring different backgrounds and experiences to bear in bringing fusion power to the grid by 2035. Ultimately, this role is pivotal to enabling our technical and programmatic success — ensuring that complex engineering efforts are delivered predictably, transparently, and in alignment with the company’s broader fusion energy development roadmap.
Senior Mechanical Design Engineer Type One Energy GroupSenior Mechanical Design EngineerKnoxville, TennesseeOur FusionDirect development program pursues the lowest-risk, shortest-schedule path to a fusion power plant over the coming decade, using a partner-intensive and capital-efficient strategy. The Senior Mechanical Design Engineer will act as a mentor to junior engineers on a variety of projects and systems including vacuum vessels, divertors and plasma facing components.
Semantic Software Engineer (77379-1) Velvet Ledger WorkforceSemantic Software Engineer (77379-1)Louisville, TennesseeExperienced Semantic Software Engineer to design and develop software solutions that leverage semantic technologies, ontologies, and structured knowledge models. Proficiency with semantic stores reasoners and building scalable SPARQL GraphQL or API based semantic services.
Sr. Mechanical Engineer Centrus Energy CorpSr. Mechanical EngineerOak Ridge, TN$78,581–$130,969 / yearIn addition, once employed, employees will become part of a random drug testing program and may also be tested in the event of any incident causing injury or causing damage to property, or if it is determined that there is a reasonable suspicion the employee is under the influence of drugs or alcohol. Candidates for positions requiring a security clearance are required to be tested for the absence of any illegal drug as defined in 10 CFR 707.4 prior to an offer of employment being made.
FPGA Engineer EndoSecFPGA EngineerKnoxville, TennesseeRTL, C/C++, Python, VHDL, Verilog, Tcl, cryptography, hardware, embedded software, System Integration, Hardware Security, Xilinx, Simulation, IP core, Versal, Stratix, concept to deployment, Vivado, GHDL, Questa, Quartus Prime, Zynq, Agilex, AXI, ACE, Avalon, FPGA verification tools, reverse engineering, cocotb, pyuvm. FPGA Design and Development: Design and develop IP cores and FPGA configurations implementing the latest in leakage-resilient hardware cryptography algorithms using state-of-the-art FPGA hardware.
Automation Engineer Thermon Group Holdings, Inc.Automation EngineerKnoxville, TNAssist other departments such as marketing in developing new products or options, service by answering inquiries, purchasing by approving alternate sources or deviations, manufacturing by helping to improve process, reduce scrap, and improve productivity. We craft solutions that ensure optimal operation, protecting critical assets and maximizing efficiency in the face of extreme conditions across diverse sectors like food and beverages, mining, pharmaceuticals, renewables, and oil & gas.
HVAC Engineer Bechtel CorpHVAC EngineerKnoxville, TNExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Project Overview: The Knoxville Engineering Office is the engineering execution center for Bechtel's Nuclear, Security, & Environmental business line, providing engineering design development and support to multiple large complex projects.
Mechanical Engineer Bechtel CorpMechanical EngineerKnoxville, TN$106,900–$154,700 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. We are committed to being a company where every colleague feels that they belong-where colleagues feel part of "One Team," respected and rewarded for what they bring, supported in pursuing their goals, invested in our values and purpose, and treated equitably.
Quality Assurance Engineer Geosyntec Consultants, Inc.Quality Assurance EngineerOak Ridge, TennesseeFull timeGeosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Education and Licensure: Bachelor's degree in business, construction management, technical, engineering or a related area and 5+ years of practical experience or equivalent combination of education and years of experience in lieu.
Nuclear/Mechanical Engineer - HFIR PVR Project Strata-G, LLCNuclear/Mechanical Engineer - HFIR PVR ProjectOak Ridge, TNOur team of intellectually curious and highly motivated engineers, scientists and business professionals engages with our clients to solve complex energy and environmental challenges around the world. The project is seeking an experienced engineering professional with over 10 years of hands-on experience at an operating nuclear reactor, including expertise in engineering design and manufacturing practices.
Intermediate Piping Engineer Energy - Remote AtkinsRealis Group IncIntermediate Piping Engineer Energy - RemoteOak Ridge, TNRemote$72,000–$120,000 / yearNote to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. Reviews of technical documents and drawings, such as General Arrangement, ISO, pipe supports, flow diagrams and P&ID), calculations, design/analysis reports, design requirements, design manuals, bill of materials, design specifications, technical specifications, data sheets, etc.
Senior Mechanical Engineer 1 - Nuclear Sargent & LundySenior Mechanical Engineer 1 - NuclearOak Ridge, Tennessee$84,762–$129,498 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Reliability Engineer GEM TechnologiesReliability EngineerOak Ridge, TennesseeThe NNSA's Y-12 National Security Complex, in Oak Ridge, Tennessee, is the nation’s only source of enriched uranium nuclear weapon components and provides enriched uranium for the U.S. Navy as well as excels in materials science, precision manufacturing, and stores enriched uranium. Founded in 1994 as a nuclear engineering firm to support federal operations in East Tennessee, GEM has since expanded into a nationwide, multi-disciplinary provider with over 270 employees and a diverse portfolio of contracts in the environmental, nuclear, and defense sectors.
Operations Reliability Engineer GEM TechnologiesOperations Reliability EngineerOak Ridge, TennesseeFounded in 1994 as a nuclear engineering firm to support federal operations in East Tennessee, GEM has since expanded into a nationwide, multi-disciplinary provider with over 270 employees and a diverse portfolio of contracts in the environmental, nuclear, and defense sectors. GEM Technologies, Inc. (GEM) is an award-winning federal contractor with more than 30 years of experience providing environmental, construction, facility management, and technical services to federal agencies, state and local governments, and commercial organizations.
Senior Manufacturing Engineer Beehive IndustriesSenior Manufacturing EngineerKnoxville, TennesseeServes as a technical resource for manufacturing challenges and partners cross-functionally to ensure scalable and producible designs. Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or equivalent work experience.
Mechanical Engineer Geosyntec Consultants, Inc.Mechanical EngineerOak Ridge, TennesseeFull timeAssist in leading, designing, building, and troubleshooting the following; Plant expansion activities; Large scale heating and cooling systems; High vacuum systems; Helium leak detection equipment; Composite parts and assemblies; Machined parts and assemblies; Assist in design and analysis of structural and dynamic systems; Design manufacturing equipment as needed for manufacturing activities; Develop specifications for fabrication materials and equipment; Assist in the creation, review, and approval of engineering packages to be used for fabrication; Establish procedures for assembly and repair of fabricated components; Drive process improvement activities for internal activities and external suppliers; Manage multiple priorities and ensure that deliverables are met within schedule and budget; Adheres to company policies and procedures with regards to safety, code of conduct, security, and environmental program requirements; and. Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.
Senior Process Engineer Energy - Remote AtkinsRealis Group IncSenior Process Engineer Energy - RemoteOak Ridge, TNRemote$90,000–$173,000 / yearNote to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. Performs a variety of engineering calculations using advanced and traditional engineering methods to document compliance with project and code requirements, which may include mass and energy balances, pressure profiles, pipe, pump and vessel sizing.
Senior Mechanical Engineer 1 Nuclear Sargent & Lundy LLCSenior Mechanical Engineer 1 NuclearOak Ridge, TN$82,380–$125,860 / yearIn this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Senior Piping Engineer Energy - Remote AtkinsRealis Group IncSenior Piping Engineer Energy - RemoteOak Ridge, TNRemote$90,000–$173,000 / yearNote to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. Review of technical documents and drawings, such as General Arrangement, ISO, pipe supports, flow diagrams and P&ID), calculations, design/analysis reports, design requirements, design manuals, bill of materials, design specifications, technical specifications, data sheets, etc.
Multiphysics Modeling Engineer Type One Energy GroupMultiphysics Modeling EngineerKnoxville, TennesseeIn addition, the Multiphysics Modeling Engineer will help define the architecture for integrated simulation environments, including coupling MOOSE with external tools (e.g., neutronics, plasma codes, CAD/meshing pipelines), and will contribute to the development closely coupled models for near-term experimental activities. The successful candidate will help establish multiphysics capabilities, develop simulation workflows that integrate radiation, thermal, structural, materials, and tritium physics, and ensure that modeling outputs are rigorously validated and directly tied to engineering decision-making.
NewMaterials Engineer Type One Energy GroupMaterials EngineerKnoxville, TennesseeOur FusionDirect development program pursues the lowest-risk, shortest-schedule path to a fusion power plant over the coming decade, using a partner-intensive and capital-efficient strategy. By applying for a position, you acknowledge that your personal information may be collected, used, stored, transferred, and disclosed as necessary to evaluate your candidacy, conduct pre-employment screenings where permitted by law, and comply with legal and regulatory requirements.
Software Test Engineer – Molecular Imaging (PET/CT) Siemens HealthineersSoftware Test Engineer – Molecular Imaging (PET/CT)Knoxville, TNFull timeIt is Siemens Healthineers' policy to comply fully and completely with all United States export control laws and regulations, including those implemented by the Department of Commerce through the Export Administration Regulations (EAR), by the Department of State through the International Traffic in Arms Regulations (ITAR), and by the Treasury Department through the Office of Foreign Assets Control (OFAC) sanctions regulations.". This role is ideal for someone who enjoys working cross-functionally, identifying issues before products reach customers, and continuously improving testing and documentation processes.
Senior Electrical Engineer Merrick & CompanySenior Electrical EngineerOak Ridge, TennesseeFull timeThe NST team specializes in the design of prototype/one-off custom equipment, gloveboxes, hot cells, specialty research equipment and custom-designed, remotely-operated mechanisms for handling radioactive and hazardous materials. Work involves a variety of activities including conceptual and detailed design of low voltage and medium voltage power distribution, lighting, grounding, motor control systems, process equipment and instrumentation.
Senior Electrical Engineer Merrick & CoSenior Electrical EngineerOak Ridge, TNThe NST team specializes in the design of prototype/one-off custom equipment, gloveboxes, hot cells, specialty research equipment and custom-designed, remotely-operated mechanisms for handling radioactive and hazardous materials. Work involves a variety of activities including conceptual and detailed design of low voltage and medium voltage power distribution, lighting, grounding, motor control systems, process equipment and instrumentation.
NewSr. Mechanical Engineer MS Technology, Inc.Sr. Mechanical EngineerOak Ridge, TNFull timeContribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing. Preferred Qualifications: Preference will be given to applicants currently holding an active DOE Q-level or DOD TS security clearance .
NewMechanical Engineer MS Technology, Inc.Mechanical EngineerOak Ridge, TNContribute to cross functional teams including design, engineering, manufacturing, operations, testing, quality and purchasing. Preferred Qualifications: Preference will be given to applicants currently holding an active DOE Q-level or DOD TS security clearance .