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 inEngineering (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.
Project Engineer (Q- or TS-Cleared Candidates Only) GEM TechnologiesProject Engineer (Q- or TS-Cleared Candidates Only)Oak Ridge, TennesseeEducation & Years of Experience – Bachelor's degree in Engineering, Construction Management, and Architecture from an ABET-accredited institution or an equivalent combination of education and experience and 3+ years of engineering experience, preferably supporting construction or industrial projects. 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.
Structural Engineer 3 Nuclear Sargent & Lundy LLCStructural Engineer 3 NuclearKnoxville, TN$74,353–$113,595 / yearIn this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Since 1954, we've been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
Piping Engineering Consultant 2 - Nuclear Sargent & LundyPiping Engineering Consultant 2 - NuclearKnoxville, Tennessee$145,310–$222,001 / yearFull timeSince 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/Civil Engineering, from an ABET Engineering Accreditation Commission-approved program, with an emphasis in solid mechanics, structural analysis, theory of elasticity, metallurgy, and finite element analysis.
Piping Engineering Senior Consultant - Nuclear Sargent & LundyPiping Engineering Senior Consultant - NuclearKnoxville, Tennessee$165,610–$253,015 / yearFull timeSince 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. BS or MS in Mechanical Engineering, Engineering Mechanics, Aerospace, or Structural/Civil Engineering, from an ABET Engineering Accreditation Commission-approved program, with an emphasis in solid mechanics, structural analysis, theory of elasticity, metallurgy, and finite element analysis.
I&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.
Structural Engineer GEM TechnologiesStructural 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.
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.
Intermediate Civil Engineer Energy - Remote AtkinsRealis Group IncIntermediate Civil 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. Recommends new equipment, concepts and techniques to improve performance, simplify design, reduce costs, correct design flaws or to comply with changes in client requirements, codes or regulations.
Intermediate I&C Engineer Energy - Remote AtkinsRealis Group IncIntermediate I&C 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. Regularly interfaces with the other technical disciplines (mechanical, nuclear, operations and electrical engineering teams) for I&C design and consultation.
Senior I&C Engineer Energy - Remote AtkinsRealis Group IncSenior I&C 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. This role will regularly interface with the other technical disciplines (mechanical, nuclear, operations and electrical engineering teams) for I&C design and consultation having a significant impact on project.
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.
System Engineer - Q Cleared GEM TechnologiesSystem Engineer - Q ClearedOak 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. The 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.
Nuclear Safety Engineer Edgewater Technical AssociatesNuclear Safety 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.
Electrical Engineer - Power GEM TechnologiesElectrical Engineer - PowerOak Ridge, TennesseeCandidate will provide CNS Mission Engineering with full time electrical design engineering support in Y-12 Facility Design for facility and production area activities needed to expedite the closure of Change Requests for Configuration Managed systems that have been returned to service for longer than 90 days. The 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.
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.
Intermediate Electrical Engineer Energy - Remote AtkinsRealis Group IncIntermediate Electrical Engineer Energy - RemoteOak Ridge, TNRemote$72,000–$138,700 / 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. Working collaboratively with multidisciplinary engineering teams, you will apply sound engineering principles, industry best practices, and regulatory requirements to develop innovative solutions that help deliver high-quality outcomes for our clients.
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.
Chemical Engineer GEM TechnologiesChemical 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.