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Our staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.

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Kiewit

Nuclear Quality Engineer-Kiewit Nuclear Solutions-Multiple Locations

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Extraordinary 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.

Bechtel Corp

Sr. HVAC Engineer

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The structural engineer must be proficient with developing structural drawings (plans, sections and details) for various materials of construction (steel, concrete, cold-formed steel), structural calculations, equipment anchorage, report preparation, drafting (or oversight of drafting), and preparation of construction specifications (generally in the form of general notes on the drawings). 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.

NANA Regional Corporation Inc

Structural Engineer, Level IV

The Enrichment Systems Engineering Section is seeking a Machine Design Engineer who will support the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). Overview: Oak Ridge National Laboratory is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.

Oak Ridge National Laboratory

Senior Machine Design Engineer

Founded in 2006 and based in Oak Ridge, TN, Ingenium holds experience in a full spectrum of professional services, including facility operations, engineering and design, environmental services, project management, and construction management. Ingenium Professional Services Inc. is a nationally recognized, award-winning, certified Service-Disabled Veteran-Owned multi-disciplinary company with solid experience in project management and process improvement.

Ingenium Professional Services

Senior Structural Engineer NS&E

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Design of roadways and drainage for TDOT (or other DOT clients) with the ability to perform geometric roadway design and assist in analyses, developing calculations, and preparing contract documents (PS&E) in accordance with state and local agency requirements. Whether you're launching your career or bringing years of experience, you'll have the opportunity to work alongside industry-leading experts, collaborate across disciplines and borders, and contribute to projects that transform the way people live, move, and connect.

H.W.Lochner Inc

Roadway Engineer - Knoxville, TN

Coordinate quality planning with engineering technical lead and project manager to ensure system requirements traceability, interface requirements control, configuration validation, system performance verification, system commissioning validation/verification, and surveillance plan using a risk-based approach. Partner with Supplier Quality and Procurement to integrate product quality requirements into sourcing decisions including product requirements flow down, acceptance criteria and methods, traceability, and product issues/nonconformities.

Type One Energy Group

Quality Engineer

ADAPTED_NOW

BWX 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.

BWXT

Mechanical Engineer - Test Stands & Processes

BWXT Jobs

The successful candidate will turn validated workflows and architecture decisions into clear engineering tasks; use approved AI development tools and coding agents where they add value; and remain accountable for the security, correctness, maintainability, and operability of the resulting software. This role will lead hands-on application engineering for modern web and SaaS workflows, working with product, UX, Nautical Systems subject matter experts, Advantage architects, platform engineering, data, and AI teams.

ABS Group of Companies

Principal Engineer, Software

Security Clearance: An active DOE Q security clearance (or an active DoD Top Secret clearance eligible for immediate reciprocity), or previously held a Q clearance that could be easily reinstated. Our 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.

STRATA G, LLC

Engineers

You will play a key role in advancing CGI''s AI Platform, developing intelligent solutions that integrate backend services, APIs, large language models (LLMs), data pipelines, and intuitive frontend experiences to address complex business challenges. You will work closely with cross-functional teams to deliver production-ready AI solutions, lead development of key features and client use cases, contribute to architectural decisions, and mentor junior engineers while promoting engineering excellence and continuous improvement.

CGI Inc

Mid-Level Full-Stack AI Engineer

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

Senior Full-Stack AI Engineer

Overview: The 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. This role involves close collaboration with security teams, scientists, and IT leadership to ensure that the HPC infrastructure meets the stringent performance, security, and compliance requirements necessary for classified work.

Senior High Performance Computing Engineer - Classified Environment

This position resides in the Nuclear Materials Packaging, Transportation, and Systems Analysis (NMPTSA) group in the Integrated Fuel Cycle Section, Nuclear Energy and Fuel Cycle Division, and Fusion and Fission and Science Directorate at Oak Ridge National Laboratory (ORNL). You will have the opportunity to research and develop analytical methods and technologies supporting all aspects of the nuclear fuel cycle including R&D activities related to storage, transportation, and disposal of used nuclear fuel and high-level radioactive waste.

Fuel Cycle Nuclear Engineer

Professional Registration in Engineering, Experience on DOE or DOD projects, Familiarity with implementation of requirements in design, Experience working on a large, complex EPC contract, Experience in performing functional analysis, Experience working with requirements management databases, Experience in performing design and/or requirements change impact analysis. Founded in 2006 and based in Oak Ridge, TN, Ingenium holds experience in a full spectrum of professional services, including facility operations, engineering and design, environmental services, project management, and construction management.

Eng III-Systems Engineer NS&E

Instrumentation Electronics Engineer at Centrus Energy, you'll build the nervous system of our advanced centrifuge technologies-crafting clever circuits, integrating sensors, and designing data-acquisition and control solutions that keep America's clean-energy future spinning. In 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.

Centrus Energy

Sr. Instrumentation Electronics Engineer

Additionally, you'll support materials and equipment engineering by developing specifications for chemical‑process materials, coatings, lubricants, and consumables; assisting in the design and evaluation of components made from composites, metals, and specialty materials; and contributing to equipment designs used for chemical processes, material handling, and controlled‑environment operations. A key part of your work will be developing, maintaining, and reviewing detailed P&IDs, ensuring configuration control, tracking design changes, and validating diagrams with cross‑functional teams across design, manufacturing, operations, testing, quality, and safety.

Chemical Engineer, Sr.

In 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. You'll collaborate closely with Project Managers and Control Account Managers (CAMs), turning numbers into strategy and helping teams make informed decisions every step of the way.

Project Controls Engineer

Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. With positions at every level, openings in multiple disciplines, expertise in a range of markets and offices around the globe, we create an environment where you can learn, grow, and thrive.

Amentum

Process Engineer

DOE O 425.1 VERIFICATION OF READINESS TO START UP OR RESTART NUCLEAR FACILITIES - Thorough knowledge of the requirements for verifying readiness for startup of new hazard category 1, 2, and 3 nuclear facilities, activities, and operations, and for the restart of existing hazard category 1, 2, and 3 nuclear facilities, activities, and operations that have been shut down. Global Engineering & Technology (GET) is seeking a highly qualified engineer with National Nuclear Security Administration (NNSA) experience for the position of ConOps/Readiness Subject Matter Expert (SME) supporting the Sandia National Laboratories (SNL) Environmental Safety & Health (ES&H) Planning Department.

Security Engineer Jobs in Oak Ridge, TN

Nuclear Quality Engineer-Kiewit Nuclear Solutions-Multiple Locations Kiewit

Sr. HVAC Engineer Bechtel Corp

Structural Engineer, Level IV NANA Regional Corporation Inc

Senior Machine Design Engineer Oak Ridge National Laboratory

Senior Structural Engineer NS&E Ingenium Professional Services

Roadway Engineer - Knoxville, TN H.W.Lochner Inc

Quality Engineer Type One Energy Group

Mechanical Engineer - Test Stands & Processes BWXT

Principal Engineer, Software ABS Group of Companies

Engineers STRATA G, LLC

Mid-Level Full-Stack AI Engineer CGI Inc

Senior Full-Stack AI Engineer CGI Inc

Senior High Performance Computing Engineer - Classified Environment Oak Ridge National Laboratory

Fuel Cycle Nuclear Engineer Oak Ridge National Laboratory

Eng III-Systems Engineer NS&E Ingenium Professional Services

Sr. Instrumentation Electronics Engineer Centrus Energy

Chemical Engineer, Sr. Centrus Energy

Project Controls Engineer Centrus Energy

Process Engineer Amentum

Nuclear Engineer - Conops / Readiness Global Engineering & Technology, Inc. (GET)

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