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The successful candidate will serve as a technical resource to project management personnel, participate in design reviews, evaluate engineering solutions, and design changes, support the Request for Information (RFI) process, and provide objective assessments of project execution and technical risk. This role provides independent engineering oversight throughout project planning, design, procurement, construction, testing, and commissioning activities, with significant involvement supporting the Lithium Processing Facility (LPF) project.

Professional Project Services Inc

Senior Engineer

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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. 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.

GEM Technologies

Civil Engineer

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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. 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.

System Engineer (Q- or TS-Cleared Candidates Only)

It will also involve electromagnetic transient (EMT) modeling and analysis of grid-following (GFL) and grid-forming (GFM) inverters, as well as testing distributed energy resource (DER) technologies in both laboratory and field settings. The EPRI DER Integration team leads collaborative research to integrate distributed energy resources into distribution circuits without compromising safety, reliability, cost, and power quality.

EPRI

DER Integration Engineer - Staff IV

The successful candidate will develop and apply advanced analytical methods that combine power system models with data-driven approaches, leveraging utility data to improve planning, operations, and protection while translating cutting-edge research into practical solutions for the electric utility industry. Through the development of innovative methodologies, simulation tools, analytics, and field-validated solutions, the team addresses challenges spanning grid modernization, DER integration, protection, resilience, operations, and emerging technologies.

Distribution Grid Modeling and Analytics - Engineer Staff III

Education, Training, and Experience: Candidates must have a Bachelor’s degree in Engineering, Engineering Technology Science, Math, or a related degree from an accredited institution and 8 years of directly related experience; or an equivalent combination of education and experience directly related to mechanical design as described below. Join the team at Global Engineering & Technology (GET) supporting vital national security work at LANL as a Mechanical Designer responsible for checking design definition in support of the first new weapon system program in over 30 years.

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Global Engineering & Technology, Inc. (GET)

Mechanical Design Engineer / Creo, Gd&T, Asme Y14

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Mechanical Engineer, Specialty Equipment

Assisting in developing project scope, budgets, and design for various sized projects, supporting marketing and business development professionals in positioning for potential projects, writing technical portions of proposals, participating in client interviews, and supporting negotiations for project contracts. You will perform a variety of tasks related to civil engineering in support of dams, flood protection, power, water resources, and water infrastructure projects that may include calculations, modeling, design, planning, reporting, field work, construction, management and coordination of tasks and assignments, and client interaction.

Stantec Inc

Senior Civil Engineer - Water Projects

Based in Oak Ridge, Tennessee, this role will provide design management 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. You will be assigned responsibilities on a large-size project, multiple medium-size projects or complex segment of a larger project, in compliance with the project needs and directions provided by the Project Manager or the Director of Engineering.

Amentum

Project Engineer II

The ideal candidate will have direct experience developing NRC licensing applications and supporting regulatory approval activities for new facility construction, including greenfield projects or major new nuclear installations. Edgewater proudly offers expertise in numerous technical disciplines necessary to support operational environments where Integrated Safety Management and formal, disciplined operations are essential to ensure safety, quality, security, and regulatory compliance.

Edgewater Technical Associates

NRC Licensing Engineer

OTHER

Engineering design tasks may include a) Collaborating with designers to develop build-to-print design packages of custom, specialty equipment; b) Development of procurement documents such as equipment specifications, statements of work, and datasheets; c) performing calculations and analysis associated with machine design (to include, but not limited to, finite element analysis, structural and seismic analysis, ergonomic studies, kinematic calculations and heat transfer calculations). e) Experience leading multi-discipline teams that include mechanical, electrical, instrumentation/controls, HVAC, piping, process and welding disciplines on machine design efforts; f) Producing build-to-print equipment fabrication packages including fabrication drawings, fabrication specifications, procurement documents, calculations, etc.

Akima, LLC

Specialty Mechanical Engineer, Level IV

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Engineering design tasks may include: a) Collaborating with designers to develop build-to-print design packages of custom, specialty equipment; b) Development of procurement documents such as equipment specifications, statements of work, and datasheets; c) performing calculations and analysis associated with machine design (to include, but not limited to, finite element analysis, structural and seismic analysis, ergonomic studies, kinematic calculations and heat transfer calculations). e) Experience leading multi-discipline teams that include mechanical, electrical, instrumentation/controls, HVAC, piping, process and welding disciplines on machine design efforts; f) Producing build-to-print equipment fabrication packages including fabrication drawings, fabrication specifications, procurement documents, calculations, etc.

Specialty Mechanical Engineer, Level V

Description: 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. Responsibilities: The Civil Design Engineer will be responsible for developing high quality detailed design packages, providing engineering procurement and field technical support to implement those designs, and providing expertise for troubleshooting and technical assessments of plant facilities.

Civil Engineer, Level IV

Description: Akima Infrastructure Services, LLC (AIS), is actively seeking Engineering, Professional, Technical, and administrative 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.

Piping Design Engineer, Level IV

Description: 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.

Piping Design Engineer, Level V

Description: 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. Responsibilities: The Civil Design Engineer will be responsible for developing high-quality detailed design packages, providing engineering procurement and field technical support to implement those designs, and providing expertise for troubleshooting and technical assessments of plant facilities.

Civil Engineer, Level V

Experience analyzing enriched uranium and heterogeneous fuel configurations involving powders or kernels, TRISO particles, graphite or ceramic moderation, arrays, reflection, interaction, and credible upset conditions. Demonstrated experience establishing code validation, benchmark applicability, calculational bias and uncertainty, and subcritical margins using recognized critical experiments and sensitivity/similarity methods.

NANO Nuclear Energy Inc

Nuclear Criticality Safety Engineer

Description: 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. Responsibilities: 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.

Electrical Engineer Power Focus, Level IV

Description: 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. Qualifications: Bachelor of Science in Engineering/Physical Science (Chemistry, Physics, or related) from an Engineering Accreditation Commission (EAC) Accreditation Board of Engineering and Technology (ABET) accredited program in the United States and 2 or more years of relevant experience.

Cognizant System Engineer, Level IV

ADAPTED_NOW

To set you up for success in this role from day one, 3M requires (at a minimum) the following qualifications: Bachelor's degree or higher in Engineering, Statistics, Physical Sciences, Chemical Sciences, Manufacturing Engineering, Industrial Engineering, or a related technical discipline from an accredited institution (completed and verified prior to start). Applying quality engineering and statistical methods, including SPC, Process Capability, Gage R&R, DOE, FMEA, and data analysis techniques to identify and eliminate sources of variation.

At 3M, inspiration happens daily.
Here, science is how the magic happens.
Except it’s not magic, it’s the right science applied the right way by the people of 3M.
Here, your ideas help shape everyday lives around the globe.
Here, you matter. You inspire. Challenge. Thrive.
At 3M, you’ll receive competitive wages, paid time off, medical, dental, vision, and more!
To apply, visit 3M.com/apply.

Security Engineer Jobs in Oak Ridge, TN

Senior Engineer Professional Project Services Inc

Civil Engineer GEM Technologies

System Engineer (Q- or TS-Cleared Candidates Only) GEM Technologies

DER Integration Engineer - Staff IV EPRI

Distribution Grid Modeling and Analytics - Engineer Staff III EPRI

Mechanical Design Engineer / Creo, Gd&T, Asme Y14 Global Engineering & Technology, Inc. (GET)

Mechanical Engineer, Specialty Equipment GEM Technologies

Senior Civil Engineer - Water Projects Stantec Inc

Project Engineer II Amentum

NRC Licensing Engineer Edgewater Technical Associates

Specialty Mechanical Engineer, Level IV Akima, LLC

Specialty Mechanical Engineer, Level V Akima, LLC

Civil Engineer, Level IV Akima, LLC

Piping Design Engineer, Level IV Akima, LLC

Piping Design Engineer, Level V Akima, LLC

Civil Engineer, Level V Akima, LLC

Nuclear Criticality Safety Engineer NANO Nuclear Energy Inc

Electrical Engineer Power Focus, Level IV Akima, LLC

Cognizant System Engineer, Level IV Akima, LLC

Quality Engineer 3M

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