Top 256 Nuclear engineering Jobs in Oak Ridge, Tn

Design Engineer
GEM Technology —Oak Ridge, TN
- $120,000 - $160,000 a year
- Full-time
- Background check
- Bachelor of Science
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
Instrumentation & Controls Engineer
GEM Technology —Oak Ridge, TN
- $140,000 - $170,000 a year
- Full-time
- Background check
- Microsoft Access
- Bachelor of Science
- Health savings account
- Health insurance
Quick Apply
12d
Senior Nuclear Safety Engineer
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
5d
Chemical Process Engineer
Y12 —Oak Ridge, TN
- Engineering
- Pass drug screening
- Mid-level
- Disability insurance
- Health insurance
Project Engineer - Technical
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Nuclear Piping Engineer
AtkinsRéalis —Oak Ridge, TN
- $80,000 - $90,000 a year
- Full-time
- Entry level
- Commercial
- Under 1 year
- Employee stock purchase plan
- Disability insurance
9d
Nuclear Process Engineer
AtkinsRéalis —Oak Ridge, TN
- $80,000 - $90,000 a year
- Full-time
- Mechanical knowledge
- Entry level
- Commercial
- Employee stock purchase plan
- Disability insurance
9d
Nuclear Instrumentation & Controls Engineer
AtkinsRéalis —Oak Ridge, TN
- $80,000 - $90,000 a year
- Full-time
- Data entry
- Electrical Engineering
- Entry level
- Employee stock purchase plan
- Disability insurance
9d
Nuclear Electrical Engineer
AtkinsRéalis —Oak Ridge, TN
- $80,000 - $90,000 a year
- Full-time
- Data entry
- Electrical Engineering
- Entry level
- Employee stock purchase plan
- Disability insurance
9d
Intermediate Process Engineer Energy - Remote
AtkinsRéalis —Oak Ridge, TN
- $72,000 - $120,000 a year
- Full-time
- Remote
- Mid-level
- 3 years
- Mentoring
- Employee stock purchase plan
- Disability insurance
9d
Nuclear Engineer
Standard Nuclear, Inc. —Oak Ridge, TN
- Full-time
- System design
- Continuous improvement
- Travel
- Health savings account
- Paid holidays
Quick Apply
Process/Chemical Engineer Energy - Remote
AtkinsRéalis —Oak Ridge, TN
- $72,000 - $120,000 a year
- Full-time
- Remote
- Mid-level
- Bachelor's degree
- Quality control
- Employee stock purchase plan
- Disability insurance
Nuclear Facility, Regulatory and/or Operations Specialist
Strata-G, LLC —Oak Ridge, TN
- Contract
- Engineering
- Analysis skills
- In-person
- Flexible schedule
Quick Apply
12d
Senior Process Engineer Energy - Remote
AtkinsRéalis —Oak Ridge, TN
- $90,000 - $173,000 a year
- Full-time
- Remote
- 7 years
- System design
- Master's degree
- Employee stock purchase plan
- Disability insurance
5d
Process Engineering Lead Energy - Commercial Nuclear - Remote
AtkinsRéalis —Oak Ridge, TN
- $141,000 - $235,000 a year
- Full-time
- Remote
- 11+ years
- Research
- Master's degree
- Employee stock purchase plan
- Disability insurance
Nuclear Criticality Safety Engineer (3786)
Navarro Inc. —Oak Ridge, TN
- Full-time
- Bachelor of Science
- System design
- Mid-level
- AD&D insurance
- Paid holidays
Quick Apply
Nuclear Safety Engineer
Edgewater Technical Associates —Oak Ridge, TN
- 5 years
- Engineering
- Research
- Disability insurance
- Health insurance
Quick Apply
Process Engineer - Graphite Production
X energy LLC —Oak Ridge, TN
- $100,000 - $150,000 a year
- Full-time
- 5 years
- Mid-level
- Office
- Disability insurance
- Health insurance
11d
Process Engineer - Fuel Forms
MS Technology, Inc. —Oak Ridge, TN
- Online Application
- Mid-level
- Analysis skills
- Mentoring
- Paid holidays
- Disability insurance
Criticality Safety Engineer
Amentum —Oak Ridge, TN
- From $115,000 a year
- Full-time
- Bachelor of Science
- Engineering
- Mid-level
- Employee stock purchase plan
- Paid holidays

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nuclear engineering jobs near oak ridge, tn

Design Engineer

GEM Technology -
Oak Ridge, TN

Quick Apply

Job Details

Full-time | Contract
$120,000 - $160,000 a year

Benefits

Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
Life insurance

Qualifications

Machine assembly
Mechanical engineering
Fabrication
Fluid dynamics
Instrumentation troubleshooting
3D modeling software
Performance testing in mechanical engineering
Computational fluid dynamics (CFD)
Mechanical fabrication
Thermal control
Technical documentation
Mechanical assembly drawings
GD&T
Industrial equipment troubleshooting
3D modeling for product design
Mechanical drawings
Bachelor's degree
System testing
Design engineering
Structural modeling
Solid mechanics
FEA
Technical troubleshooting support
3D modeling
Mechanical product validation projects
Mechanical troubleshooting
Structural analysis
Engineering validation

Full Job Description

***MUST BE A US CITIZEN***

The Fusion Engineering Group within the Fusion Energy Division at Oak Ridge National Laboratory (ORNL) is seeking a Design Engineer to support the development, integration, and deployment of mechanical components and subsystems for fusion experimental facilities. The selected candidate will contribute to high-impact research infrastructure and work with multidisciplinary teams across design, analysis, fabrication, assembly, and testing.

This position will support projects involving hardware that operates in coupled environments such as high vacuum, RF, strong magnetic fields, and water-cooling systems used to manage high heat flux/heat-load components, including the Material Plasma Exposure experiment (MPEX) facility currently under construction at ORNL.

Major Duties and Responsibilities:

Execute mechanical design and detailing of components and assemblies for fusion-relevant environments, including vacuum-compatible hardware and actively cooled components for high heat-load service.
Support the full engineering lifecycle: requirements development, concept evaluation, detailed design, fabrication support, assembly/integration, and test/commissioning.
Develop and maintain engineering drawings, bills of materials, and technical documentation in accordance with applicable engineering standards and ORNL procedures.
Coordinate with internal shops and external vendors to support manufacturability, procurement, inspection, and quality requirements.
Support laboratory assembly and integration; perform hands-on troubleshooting of mechanical hardware and interfaces (vacuum systems, water-cooling circuits, RF/mechanical interfaces, instrumentation, and controls interfaces).
Plan, execute, and document tests to verify component/system performance and resolve technical questions, including thermal and leak/pressure performance where applicable.
Perform and/or support basic structural and thermal analyses using FEA/CFD tools; validate assumptions and results and communicate findings via technical reports and design reviews.
Provide schedule, cost, and technical status for assigned work; identify risks and propose mitigation actions.
Collaborate effectively with internal stakeholders and external partners, including other laboratories and domestic/international collaborators, as needed.

Minimum Requirements (Education & Experience)

1. BS in Mechanical Engineering, Nuclear Engineering, or a related engineering discipline and a minimum of 3 to 8 years of relevant engineering experience, or MS in a related discipline with relevant experience.

2. Demonstrated ability (through coursework, project work, internships, or professional experience) in:

Mechanical design fundamentals (mechanics of materials; basic thermal response of materials/structures)
Engineering drawings (creation and checking), GD&T, 3D modeling, component specification, and procurement support
Fabrication and assembly support for mechanical components/systems
Designing, executing, and documenting tests
Reading, understanding, and applying engineering standards and specifications
Hands-on troubleshooting of mechanical systems and related interfaces (e.g., vacuum and cooling-water systems, instrumentation, controls)
Basic familiarity with FEA/CFD methods and tools as applied to engineering design (ability to perform simple analyses and report results)

Preferred Qualifications

Experience with fusion, high-vacuum equipment, magnet systems, RF systems/mechanical interfaces, or other complex research/industrial hardware.
Experience integrating or assembling complex multi-system devices (mechanical, thermal, fluids, vacuum, RF-adjacent hardware, instrumentation).
Proficiency or exposure to fluid system design, heat transfer, and facility utilities (cooling water, HVAC, cryogenics, compressed gases).
Demonstrated ability to work independently, manage multiple tasks, and coordinate with diverse technical teams.
Strong written and verbal communication skills suitable for technical reporting, design reviews, and interaction with program management and sponsors.
Ability and interest to lead small design or assembly task teams as experience grows.

Key Interfaces/Working Relationships

Works closely with engineers (mechanical, electrical, RF, instrumentation and controls), designers/drafters, technicians, fabrication shops, and project/program management within the Fusion Engineering Group and across ORNL. Interfaces may include external collaborators at other laboratories, universities, and industry partners.

Job Duration:

1 year with the possibility of extending an additional year.

Miscellaneous:

Must be a U.S. citizen, at this time we are not accepting applications from Visa or Green Card holders.

Job Types: Full-time, Contract

Pay: $120,000.00 - $160,000.00 per year

Benefits:

401(k)
Dental insurance
Health insurance
Life insurance
Paid time off
Vision insurance

Application Question(s):

Are you a US Citizen? (Yes/No)

Education:

Bachelor's (Required)

Experience:

Mechanical engineering: 3 years (Required)
GD&T: 3 years (Required)
3D modeling: 3 years (Required)
FEA: 3 years (Required)

Work Location: In person

Quick Apply

Refine Your Search

nuclear engineering jobs in oak ridge, tn

Design Engineer

Instrumentation & Controls Engineer

Senior Nuclear Safety Engineer

Chemical Process Engineer

Project Engineer - Technical

Nuclear Piping Engineer

Nuclear Process Engineer

Nuclear Instrumentation & Controls Engineer

Nuclear Electrical Engineer

Intermediate Process Engineer Energy - Remote

Nuclear Engineer

Process/Chemical Engineer Energy - Remote

Nuclear Facility, Regulatory and/or Operations Specialist

Senior Process Engineer Energy - Remote

Process Engineering Lead Energy - Commercial Nuclear - Remote

Nuclear Criticality Safety Engineer (3786)

Nuclear Safety Engineer

Process Engineer - Graphite Production

Process Engineer - Fuel Forms

Criticality Safety Engineer

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