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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

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.

YEAR

Centrus Energy Corp

Sr. Instrumentation Electronics Engineer

Albany, NY; Albuquerque, NM; Ashburn, VA; Atlanta, GA; Austin, TX; Baltimore, MD; Baton Rouge, LA; Bentonville, AR; Birmingham, AL; Boise, ID; Boston, MA; Boulder, CO; Buffalo, NY; Charlotte, NC; Chicago, IL; Cincinnati, OH; Cleveland, OH; Columbus, OH; Dallas, TX; Denver, CO; Des Moines, IA; Detroit, MI; El Segundo, CA; Fort Worth, TX; Ft Lauderdale, FL; Greenville, SC; Harrisburg, PA; Hartford, CT; Houston, TX; Indianapolis, IN; Irvine, CA; Jackson, MS; Jacksonville, FL; Kansas City, MO; Knoxville, TN; Las Vegas, NV; Lincoln, NE; Los Angeles, CA; Louisville, KY; McLean, VA; Melville, NY; Memphis, TN; Miami, FL; Milwaukee, WI; Minneapolis, MN; Montvale, NJ; Morristown, NJ; Nashville, TN; New Orleans, LA; New York, NY; Oklahoma City, OK; Omaha, NE; Orlando, FL; Philadelphia, PA; Phoenix, AZ; Pittsburgh, PA; Portland, OR; Providence, RI; Raleigh, NC; Richmond, VA; Rochester, NY; Sacramento, CA; Salt Lake City, UT; San Antonio, TX; San Diego, CA; San Francisco, CA; Santa Clara, CA; Seattle, WA; Shreveport, LA; St Louis, MO; Stamford, CT; Tallahassee, FL; Tampa, FL; Tempe, AZ; Virginia Beach, VA; Washington, DC; Winston-Salem, NC. Demonstrated ability to own outcomes, mentor engineers via code reviews, and thrive with startup velocity and product-oriented execution in ambiguous environments (founder or early-stage startup experience is a strong plus).

KPMG International Cooperative

Senior Associate, Cyber Forward Deployed 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. In this role, you''ll own mechanical designs from concept through released documentation, turning engineering requirements into precise, manufacturable hardware that drives real-world results.

Design Engineer

Our Oak Ridge NCoE has a staff of more than 900 and provides full nuclear facility delivery services from program and project management, permitting, nuclear and industrial safety, engineering design, construction / construction management, commissioning, startup of operations, and operational support services. Since 1990 we have continuously led major DOE prime contracts at Oak Ridge, including the two most recent UCOR contracts which provide reach-back support to our NCoE with 2,400 nuclear-skilled available resources.

Amentum

Early Career Specialty Mechanical Engineer

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About the Project: In this role, you’ll work as part of the Cadre5 team supporting G2, a program management system that helps the National Nuclear Security Administration (NNSA) manage complex programs and maintain visibility across its work. Our teams work on challenging projects that support important missions and solve real-world problems, giving you the opportunity to make a meaningful impact through the software you build.

Cadre5

Software Engineer

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Design, build, and deploy end-to-end data integration pipelines using Palantir Foundry, including complex transforms, incremental pipelines, and multi-source data connectors. Build and deploy machine learning models using Model Studio (no-code) and pro-code repositories for classification, regression, time series forecasting, and custom predictive modeling.

HOUR

Diverse Lynx, LLC

Senior Forward Deployed Engineer

Must 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. The ideal candidate must have 15+ years of experience and be competent using discipline-specific technical software such as SOLIDWORKS, Creo, ANSYS and other CAD/CAE software packages.

Specialty Mechanical Engineer Sr. (Hybrid/Remote)

Bachelor’s degree in nuclear, engineering, math, or science with minimum of 1-2 years of Nuclear Criticality Safety (NCS) experience is required (Nuclear Engineering degree preferred) or 7 years of equivalent technical experience in place of a B.S. Candidates will obtain site specific Nuclear Criticality Safety (NCS) Analyst Qualification to support implementation of a DOE Approved Nuclear Criticality Safety Program in an operating non-reactor nuclear facility.

Criticality Safety Engineer

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

Edgewater 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. Civil Design Engineers 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.

Edgewater Technical Associates

Civil Design Engineer

Edgewater 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. The Cognizant System Engineer with electrical engineering emphasis requires knowledge of electrical systems with a preferred knowledge in one of the following: manufacturing process equipment, industrial electrical equipment, facility related electrical systems, electromagnetics, electrostatic discharge, and/or lightning protection.

Electrical Cognizant Systems Engineer/Technical Authority

Edgewater 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. Specialty Mechanical Engineers in the Projects Equipment Design Engineering organization are responsible for creating design and procurement documents for specialty and first-of-a-kind equipment such as glovebox systems, furnaces, high vacuum systems, metal casting/machining equipment, etc.).

Specialty Mechanical Engineer (Machine Design)

Edgewater 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.

Piping Design Engineer

Edgewater 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. The Major Equipment Mechanical Engineer will support the following tasks: Estimating, specifying, designing, procurement and construction support of specialty and first of a kind equipment such as gloveboxaes, furnaces, high vacuum systems and metal casting/machining equipment.

Mechanical Engineer (Major Equipment)

This work is communicated internally and externally through the annual Y12 PMO Assessment Plan, which is a working document managed by Y12 PMO leadership and subordinate Division Directors throughout the year with input from support contractors. If you receive unsolicited communications from individuals claiming to represent ASRC Industrial using non-official email addresses (e.g., not from @asrcindustrial.com), please report the message and do not engage.

RESTORATION SERVICES, INC.

Sr. Construction Manager/Engineer Support - Electrical SME - Oak Ridge, TN

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.

Security Engineer Jobs in Knoxville, TN

Sr. HVAC Engineer Bechtel Corp

Structural Engineer, Level IV NANA Regional Corporation Inc

Senior Machine Design Engineer Oak Ridge National Laboratory

Sr. Instrumentation Electronics Engineer Centrus Energy Corp

Senior Associate, Cyber Forward Deployed Engineer KPMG International Cooperative

Chemical Engineer, Sr. Centrus Energy Corp

Design Engineer Centrus Energy Corp

Early Career Specialty Mechanical Engineer Amentum

Software Engineer Cadre5

Senior Forward Deployed Engineer Diverse Lynx, LLC

Specialty Mechanical Engineer Sr. (Hybrid/Remote) Amentum

Criticality Safety Engineer Amentum

Project Controls Engineer Centrus Energy Corp

Civil Design Engineer Edgewater Technical Associates

Electrical Cognizant Systems Engineer/Technical Authority Edgewater Technical Associates

Specialty Mechanical Engineer (Machine Design) Edgewater Technical Associates

Piping Design Engineer Edgewater Technical Associates

Mechanical Engineer (Major Equipment) Edgewater Technical Associates

Sr. Construction Manager/Engineer Support - Electrical SME - Oak Ridge, TN RESTORATION SERVICES, INC.

Senior Engineer - Oak Ridge, TN RESTORATION SERVICES, INC.

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