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.
Safety Basis Engineer Geosyntec Consultants, Inc.Safety Basis 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. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.
Controls Engineer (Q- or TS-Cleared Candidates Only) GEM TechnologiesControls Engineer (Q- or TS-Cleared Candidates Only)Oak 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.
NewSenior Electrical Engineer EGSSenior Electrical EngineerOak Ridge, TNPower distribution design experience in ETAP to perform load flow, short circuit, arc flash, protection and coordination calculations. Bachelor's degree in Electrical Engineering from an ABET-accredited, four-year institution is required plus a minimum of 15 years experience.
Chemical Process Engineer EGSChemical Process EngineerOak Ridge, TNThis role provides process design, system development, troubleshooting, testing, and operational support for systems involving vacuum environments, cryogenic fluids, and related process supporting systems. Minimum QualificationsBachelor's degree in chemical engineering, nuclear engineering, material science, material science engineering, mechanical engineering, or another related field.
Senior/Lead Process Engineer (3920) Navarro Inc.Senior/Lead Process Engineer (3920)Oak Ridge, TNRemoteOur expertise supports organizations such as the Department of Energy, the National Nuclear Security Administration, the Department of Defense and NASA, while also extending to commercial industries and private sector partners facing complex engineering, technical and environmental challenges. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive nuclear, environmental and technical services to federal agencies, commercial enterprises and private clients across the United States.
HVAC Engineer (3926) Navarro Inc.HVAC Engineer (3926)Oak Ridge, TNOur expertise supports organizations such as the Department of Energy, the National Nuclear Security Administration, the Department of Defense and NASA, while also extending to commercial industries and private sector partners facing complex engineering, technical and environmental challenges. Support HVAC systems involving nuclear ventilation, confinement ventilation, process exhaust, heat exchangers, fans, rotating equipment, coils, dampers, filters, ducting, and piping interfaces.
Senior Mechanical Engineer AmentumSenior Mechanical EngineerOak Ridge, TennesseeThe successful candidate will work closely with project management, discipline leads, and clients to deliver fully coordinated, code‑compliant, and high‑quality engineering solutions in accordance with Amentum’s established quality procedures. This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project lifecycle.
Mechanical Engineer (3915) Navarro Inc.Mechanical Engineer (3915)Oak Ridge, TNRemoteNavarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and deliver effective solutions for complex challenges in the nuclear and environmental fields. This role will help translate process needs into manufacturable mechanical designs while coordinating with electrochemical, piping, electrical, controls, procurement, fabrication, and operations teams.
LabVIEW Systems Engineer BWXTLabVIEW Systems EngineerOak Ridge, TN$86,450–$136,000 / 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”). The engineer leads development of high‑speed LabVIEW data acquisition and control systems, ensures synchronized communication, data integrity, and reliability across multi‑platform control architectures, and provides engineering support for a diverse range of test operations, from small benchtop setups to large‑scale industrial qualification stands.
Systems Engineer - Advisory BWXTSystems Engineer - AdvisoryOak Ridge, TN$114,000–$165,000 / yearA 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. This site accelerates next-generation technology from development to production readiness, supporting the national mission to restore a domestic uranium enrichment supply chain for US defense and naval nuclear propulsion.
NewRotordynamics Development & Testing Engineer BWXTRotordynamics Development & Testing EngineerOak Ridge, TN$86,450–$136,000 / 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.
General Piping Engineer or Designer (3925) Navarro Inc.General Piping Engineer or Designer (3925)Oak Ridge, TNRemoteThe position requires practical piping design capability and the ability to work with engineers, designers, process leads, HVAC, mechanical, structural, vendors, construction, and commissioning teams to produce accurate, constructible, and maintainable design deliverables. Our expertise supports organizations such as the Department of Energy, the National Nuclear Security Administration, the Department of Defense and NASA, while also extending to commercial industries and private sector partners facing complex engineering, technical and environmental challenges.
Chief Engineer MS Technology, Inc.Chief EngineerOak Ridge, TNThe ideal candidate will have extensive experience leading engineering organizations and executing complex facility, system, and infrastructure projects within highly regulated environments such as DOE, NNSA, commercial nuclear, defense, energy, or industrial sectors. The Chief Engineer serves as the senior technical authority for engineering programs and projects, ensuring technical excellence, regulatory compliance, quality, and successful project execution across multidisciplinary engineering teams.
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.
Materials 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.
Instrumentation and Controls (I&C) Engineer Edgewater Technical AssociatesInstrumentation and Controls (I&C) 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 their growing presence at project sites.
Electrical Engineer (Arc Flash / Power Systems) Advanced Automation CorporationElectrical Engineer (Arc Flash / Power Systems)Oak Ridge, TN$90,000–$165,000The ideal candidate will not only provide high-quality engineering support but also demonstrate the leadership aptitude, communication skills, and accountability required to progress into a Project Manager (PM) role, including managing on-site teams and coordinating multidisciplinary project execution. We are seeking an Electrical Engineer with a strong background in Arc Flash analysis and electrical power systems design to support complex industrial and DOE-regulated projects.
Structural Engineer AmentumStructural EngineerOak Ridge, TennesseeMust be alert to equipment in the field, there will be occasional travel, will work near construction job site equipment when in the field, occasional need to work near hazardous equipment and machinery, occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity, and potential work at heights. Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors.
Senior Structural Engineer AmentumSenior Structural EngineerOak Ridge, TennesseeMust be alert to equipment in the field, there will be occasional travel, will work near construction job site equipment when in the field, occasional need to work near hazardous equipment and machinery, occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity, and potential work at heights. Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors.