Mechanical Engineer APTIMMechanical EngineerKnoxville, TN$95,000–$120,000 / yearOther duties include collection and interpretation of engineering data, compiling data for project reports, collecting and compiling field data as required, assisting in proposal efforts as directed, documenting technical data for management review, providing other entry level duties as assigned, assisting with preparation of labor/material estimates and design packages for clients. Our highly skilled multi-discipline teams of professionals are strategically located throughout the United States and abroad to efficiently provide safe and sustainable solutions to complex challenges faced by government, public institutions, and commercial clients.
Senior-Level Process Engineer (Hybrid/Remote) AmentumSenior-Level Process Engineer (Hybrid/Remote)Oak Ridge, TennesseeRemote$140,000–$190,000 / yearAs a senior-level process engineer, you will provide senior level technical leadership in the design, analysis, and documentation of nuclear and chemical process systems, supporting projects from conceptual development through detailed design and execution of DOE and nuclear facility projects. The Senior Process Engineer serves as a technical authority for process systems, performs and approves complex engineering calculations, develops process and equipment specifications, and ensures compliance with applicable nuclear, safety, and quality requirements.
Mid-Level Process Engineer (Hybrid/Remote) AmentumMid-Level Process Engineer (Hybrid/Remote)Oak Ridge, TennesseeRemote$90,000–$150,000 / yearThis role requires hands‑on experience performing and formally documenting process engineering calculations, developing process equipment specifications, and supporting design activities in highly regulated nuclear environments. As a mid-level process engineer, you will support the design, analysis, and documentation of nuclear and chemical process systems, working closely with multidisciplinary engineering teams during project development and execution of DOE and nuclear facility projects.
Chemical Engineer Standard NuclearChemical EngineerOak Ridge, TennesseeThis role supports process performance, yield improvement, production reliability, and technical execution for manufacturing activities involving chemical processing, material formation, and downstream production steps. The Chemical Engineer will help translate process knowledge into repeatable manufacturing practices, identify sources of variation or loss, and implement improvements that increase yield, throughput, product consistency, and operational safety.
Licensing Engineer Standard NuclearLicensing EngineerOak Ridge, TennesseeAuthor and review technical documents including design criteria, functional requirements, purchase specifications, operating procedures, materials evaluation reports, code reconciliations, and similar technical work scopes. Support licensing activities related to NRC regulations, including 10 CFR Part 71 (Packaging and Transportation of Radioactive Material)and 10 CFR Part 70 (Domestic Licensing of Special Nuclear Material) as applicable.
Materials Engineer Standard NuclearMaterials EngineerOak Ridge, TennesseeThe Materials Engineer will work closely with engineering, fuel development, manufacturing, quality, characterization, and operations teams to evaluate material behavior, develop and refine processing methods, support test campaigns, analyze results, and help define practical paths toward repeatable manufacturing. This role is focused on materials development, experimental process work, technical problem-solving, and transition of promising methods from laboratory or pilot-scale work toward reliable production capability.
Senior Electrical Engineer ORAUSenior Electrical EngineerKnoxville, TennesseeFull timeEngineers here work directly with real plant data, advanced diagnostic technologies, and complex safety‑critical systems deployed across every U.S. nuclear power plant and many international facilities. Engineers gain mentorship from PhD‑level experts, exposure to diverse technical challenges, and opportunities to innovate within a company that values curiosity, integrity, and continuous learning.
Senior Licensing Engineer Orano SASenior Licensing EngineerOak Ridge, TNRemotedata-css="[data-component="cookie-banner"] { --a-cookieBannerWidget-wrapper-color: #0000004D; --a-cookieBannerWidget-text-font-weight: 400; --a-cookieBannerWidget-text-text-decoration: none; --a-cookieBannerWidget-link-text-decoration: underline; --a-cookieBannerWidget-label-font-weight: 600; --a-cookieBannerWidget-label-text-decoration: none; --a-cookieBannerWidget-divider-border-style: solid; --a-cookieBannerWidget-text-margin-top: 0px; --a-cookieBannerWidget-text-margin-right: 0px; --a-cookieBannerWidget-text-margin-bottom: 0px; --a-cookieBannerWidget-text-margin-left: 0px; --a-cookieBannerWidget-text-padding-top: 0px; --a-cookieBannerWidget-text-padding-right: 0px; --a-cookieBannerWidget-text-padding-bottom: 0px; --a-cookieBannerWidget-text-padding-left: 0px; --a-cookieBannerWidget-divider-margin-top: 24px; --a-cookieBannerWidget-divider-margin-right: 0px; --a-cookieBannerWidget-divider-margin-bottom: 24px; --a-cookieBannerWidget-divider-margin-left: 0px; --a-cookieBannerWidget-divider-border-width: 1px; }">. Orano's activities in the U.S. include developing uranium enrichment facility in Oak Ridge, TN; packages and transportation of uranium & nuclear fuel assemblies; fabricating & installing used nuclear fuel dry storage canisters and casks, conducting pool-to-pad used nuclear fuel transfers; providing solutions to the National Labs and to the Dept of Energy; and supplying U.S. nuclear energy utilities with uranium, conversion, and enrichment services.
Electrical Engineers/I & C Engineers EGSElectrical Engineers/I & C EngineersOak Ridge, TNSenior Electrical Engineers with power 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 10+ years experience .
Senior Test/Operations Engineer - (SME) Strata-G, LLCSenior Test/Operations Engineer - (SME)Oak Ridge, TNProvides technical guidance, responses, and support for chemical processes, mechanical engineering, electrical systems, piping/process systems, gloveboxes, compressed air, HVAC, testing related questions, and issues presented by management and internal staff. In-depth knowledge of principles and practices related to testing, process systems, mechanical engineering/design, glovebox design/operation, HVAC systems, electrical systems, piping systems, and commissioning of nuclear facilities regulated by DOE/NRC.
Sr. Test Engineer Geosyntec Consultants, Inc.Sr. Test EngineerOak Ridge, TennesseeFull timeWork under limited management direction; Serve as Y-12 APMO's subject matter expert on testing of mechanical, piping/process systems, gloveboxes, electrical systems and HVAC systems; Serve as Y-12 APMO's subject matter expert on commissioning and readiness of nuclear facilities (i.e. DOE O 425.1 D or NRC CFR requirements); Review and evaluate the contractor’s implementation of the testing program (to include field testing), technical products, and records to ensure they contain and conform to appropriate quality requirements and are technically accurate and complete for their intended purpose; Provide technical guidance, responses, and support for chemical processes, mechanical engineering, electrical systems, piping/process systems, gloveboxes, compressed air, HVAC, testing related questions, and issues presented by management and internal staff; Plan and perform assessments as directed by management; Reviews progress, evaluates results, and recommends changes to processes and procedures; Determine and pursue courses of action necessary to obtain desired results; These assignments may include frequent interface with the M&O Contractors and oversight activities during normal and outside of normal working hours, Provide support and oversight of other areas within the Y-12 APMO Operations and Security purview, as requested; and. Education and Licensure: Bachelor's of Science (BS) degree from an accredited college in Engineering accredited by the Accreditation Board for Engineering and Technology (ABET) with at least 4 years of relevant experience is required; or current Professional Engineer (P.E.) registration in one of the relevant disciplines from any U.S. State and/or Territory, past Senior Reactor Operator (SRO) certification/license issued by the Nuclear Regulatory Commission (NRC) in accordance with 10 CFR Part 55 is considered equivalent.
Construction Engineer / Manager (Q- or TS-Cleared Candidates Only) GEM TechnologiesConstruction Engineer / Manager (Q- or TS-Cleared Candidates Only)Oak Ridge, TennesseeEducation & Years of Experience – Bachelor’s degree in Engineering (Civil/Structural, Mechanical, Electrical, or related discipline), Construction Management, or a related field from an accredited institution; equivalent relevant experience may be considered and 5+ years of construction or field engineering experience supporting industrial facilities such as nuclear, chemical processing, oil & gas, power generation, or large-scale manufacturing. The Construction Engineer / Manager will serve as a key interface between Design Engineering, Operations, Project Management, EPC partners, specialty contractors, and site leadership, translating engineering designs into safe, executable construction plans.
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.
Senior Process Engineer Energy - Remote AtkinsRealisSenior 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.
Instrumentation & Controls Engineer BWXTInstrumentation & Controls 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.
Mid-Level Mechanical Engineer AmentumMid-Level Mechanical EngineerOak Ridge, Tennessee$80,000–$130,000 / yearBased in Oak Ridge, Tennessee, this role will provide design engineering support for large-scale, complex projects for a diverse portfolio of clients that includes the U.S. Department of Energy, the National Nuclear Security Administration (NNSA), and commercial nuclear companies. The 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.
NewI&C Engineer GEM TechnologiesI&C EngineerOak Ridge, TennesseeEducation & Years of Experience – To be considered, you must have a Bachelor’s Degree in Engineering accredited by the Accreditation Board for Engineering and Technology (ABET) and a minimum of 5 years of instrumentation and controls design engineering experience with listed experience with PLC and HMI programming for systems that include both analog and digital input and output. Design involves the preparation of conceptual engineering deliverables such as cost-estimating bills of material and labor-hour estimates, statements of work, design criteria, and title II design engineering deliverables including preparation of calculations and analyses, construction specifications & drawings, and equipment specifications.
Electrical Engineer Edgewater Technical AssociatesElectrical 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 ORAUElectrical EngineerKnoxville, TennesseeFull timeEngineers here work directly with real plant data, advanced diagnostic technologies, and complex safety‑critical systems deployed across every U.S. nuclear power plant and many international facilities. AMS is seeking an Electrical Engineer with 5+ years of relevant experience to support electrical testing, troubleshooting, data acquisition, and technical documentation for safety‑critical systems.
Structural Engineer GEM TechnologiesStructural 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.