Top 134 mechanical engineer Jobs in oak ridge, tn

Nuclear Mechanical Engineer
GEM Technology —Oak Ridge, TN
- $180,000 - $210,000 a year
- Full-time
- Background check
- Engineering
- Pass drug screening
- Health insurance
- Dental insurance
Quick Apply
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
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Manufacturing Engineer
Laborup —Oak Ridge, TN
- $70,000 - $80,000 a year
- Full-time
- Mid-level
- In-person
- 1 year
- Paid holidays
- Health insurance
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Mechanical Design Engineer
GEM Technology —Oak Ridge, TN
- $110,000 - $150,000 a year
- Temporary
- Background check
- Analysis skills
- Bachelor's degree
- Health savings account
- Health insurance
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Mechanical Design Engineer - HFIR
GEM Technology —Oak Ridge, TN
- $120,000 - $150,000 a year
- Full-time
- Hybrid work
- Background check
- 5 years
- Bachelor of Science
- Health savings account
- Health insurance
Quick Apply
Early Career Mechanical Engineer
Amentum —Oak Ridge, TN
- $75,000 - $115,000 a year
- Overtime
- Hybrid work
- Microsoft Excel
- Microsoft Outlook
- Bachelor of Science
- Employee stock purchase plan
- Paid holidays
13d
Mid-Level Mechanical Engineer (Hybrid/Remote)
Amentum —Oak Ridge, TN
- $90,000 - $145,000 a year
- Overtime
- Hybrid work
- Microsoft Excel
- Microsoft Outlook
- Bachelor of Science
- Employee stock purchase plan
- Paid holidays
Specialty Mechanical Engineer Mid (Hybrid/Remote)
Amentum —Oak Ridge, TN
- $130,000 - $160,000 a year
- Full-time
- Hybrid work
- Background check
- 5 years
- Bachelor of Science
- Employee stock purchase plan
- Paid holidays
Specialty Mechanical Equipment Engineer (Hybrid/Remote)
Amentum —Oak Ridge, TN
- $150,000 - $200,000 a year
- Full-time
- Hybrid work
- Background check
- Bachelor of Science
- 11+ years
- Employee stock purchase plan
- Paid holidays
Design Engineer
Vacuum Technology Incorporated —Oak Ridge, TN
- From $72,000 a year
- Full-time
- Schematics
- Word processing
- Bachelor of Science
- Paid jury duty
- Health savings account
Quick Apply
8d
Facility & Utility Engineer
X energy LLC —Oak Ridge, TN
- $98,000 - $178,000 a year
- Full-time
- Management
- Engineering
- Mid-level
- Disability insurance
- Health insurance
Mechanical Engineer
Geosyntec Consultants, Inc. —Oak Ridge, TN
- Full-time
- System design
- Mid-level
- 3 years
1d
Piping and Relief Design Engineer
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Piping Engineer
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Sheet Metal Fabrication Process Engineer
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Welding Technical Specialist
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Welding Engineer
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Mechanical Engineer
APTIM —Knoxville, TN
- $95,000 - $120,000 a year
- Background check
- Writing skills
- Mid-level
- Paid holidays
- Disability insurance
Quick Apply
Senior-Level Mechanical Engineer (Hybrid/Remote)
Amentum —Oak Ridge, TN
- $120,000 - $170,000 a year
- Overtime
- Hybrid work
- Microsoft Excel
- Microsoft Outlook
- Management
- Employee stock purchase plan
- Paid holidays
Mechanical Engineer
Strategic Management Solutions, LLC. —Oak Ridge, TN
- 5 years
- Engineering
- Senior level
Quick Apply

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Nuclear Mechanical Engineer

GEM Technology -
Oak Ridge, TN

Quick Apply

Job Details

Full-time | Contract
$180,000 - $210,000 a year

Benefits

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

Qualifications

Mechanical blueprint interpretation
Nuclear engineering design codes and standards
Engineering
Mechanical Engineering
Mechanical engineer experience
Configuration management
Nuclear design engineer experience
GD&T
American Welding Society (AWS) standards
Mechanical drawings
Bachelor's degree
ASME codes & standards
Nuclear structural analysis
FEA
Welding
Construction
Manufacturing
Design of mechanical systems
Nuclear Engineering
Design of individual components
Mechanical knowledge
Structural analysis

Full Job Description

***MUST BE A US CITIZEN***

Background:

Operating at 85 MW, High Flux Isotope Reactor (HFIR) is the highest flux reactor-based source of neutrons for research in the United States and provides one of the highest steady-state neutron fluxes of any research reactor in the world. The thermal and cold neutrons produced by HFIR are used to study physics, chemistry, materials science, engineering, and biology.

The Research Reactors Division (RRD) at ORNL is responsible for operating and maintaining HFIR, while HFIR Upgrades Project Office manages both the HFIR Beryllium Reflector Replacement (HBRR) and Pressure Vessel Replacement (PVR) Projects. As HFIR approaches key life-extension milestones, ORNL is undertaking major upgrade projects to sustain and enhance its capabilities for decades to come.

Scope:

ORNL is currently preparing for two exciting major replacement projects, the reactor pressure vessel and the beryllium reflector, to sustain and enhance HFIR’s operation performance. Both projects require engineering, design, and analysis support to complement the integrated project team to deliver the design milestones on schedule and within scope. Specifically, the individual will be working closely with system engineers, designers, and various other disciplines within RRD. This position will be assigned to the HFIR Upgrades Project Office and interacts with personnel at all levels within HFIR.

The project is seeking an experienced engineering professional with over 10 years of hands-on experience at an operating nuclear reactor, including expertise in engineering design and manufacturing practices. The ideal candidate will have a strong background in welding and joining techniques, combined with a solid understanding of machine design principles.

This role requires a comprehensive knowledge of ASME Boiler and Pressure Vessel Codes (Sections III and VIII) and ASME B31.1 piping codes, with proven ability to apply these standards in practical scenarios. The position involves performing and reviewing piping analyses and calculations in compliance with HFIR Safety Basis Procedures and applicable Department of Energy (DOE) standards and guidelines.

Additionally, this role will support efforts to restore HFIR’s operating power from 85 MW back to 100 MW as part of the PVR Project. This project is currently in the early stages of Critical Decision-1 (CD-1), as defined by DOE Order 413.3B.

Export Control Requirement:

This position requires access to technology that is subject to export control requirements. Successful candidates must be qualified for such access without an export control license.

Workplace Substance Abuse Program (WSAP):

This position may require a Workplace Substance Abuse Program (WSAP) testing, which requires passing a pre-placement drug test and participation in an ongoing random drug testing program in which employees are subject to being randomly selected for testing and undergoing testing without advance notification.

Major Duties and Responsibilities:

Apply engineering expertise to support HFIR operations.
Prepare engineering designs for new installations and for replacement or upgrade of HFIR structures, systems, and components (SSCs).
Perform calculations and analyses to support design basis and requirements.
Apply relevant codes and standards, including ASTM, ASME Boiler and Pressure Vessel Code, ASME B31 piping codes, NQA-1, AWS, etc.
Support development of reactor core component replacement plans.
Prepare design specifications and define acceptance criteria for component upgrades.
Update material specifications and provide technical support for material procurement.
Implement modifications in accordance with RRD configuration control processes.

Basic Qualifications:

Must be a US citizen, no H1B, Visa status, or Green Card holders will be considered.
Bachelor’s degree in mechanical engineering, nuclear engineering, or related discipline
Minimum of 10 years in DOE nuclear facilities and/or commercial nuclear plants.
Comprehensive understanding of nuclear technology, including reactor safety basis, design, and construction.
Proficiency in engineering design and manufacturing practices, including welding and joining techniques and machine design.
Familiarity with DOE Orders and Standards (e.g., DOE O 420.1C, DOE STD 1189, DOE STD-1073-2016).
Strong ability to read and interpret mechanical design drawings and apply GD&T principles (ASME Y14.5).
Experience with AutoPIPE and finite element analysis is desirable.
Experience with configuration management and engineering change control processes in a nuclear environment.

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: $180,000.00 - $210,000.00 per year

Benefits:

401(k)
401(k) matching
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:

DOE nuclear facilities: 10 years (Required)
nuclear technology, reactor safety, design, & construction: 10 years (Required)
design & manufacturing: welding, joining & machine design: 10 years (Required)
DOE Orders & Standards: 10 years (Required)
mechanical design drawings: 10 years (Required)
GD&T principles (ASME Y14.5): 10 years (Required)
AutoPIPE: 10 years (Required)
FEA: 10 years (Required)
Configuration management: 10 years (Required)
engineering change control processes: 10 years (Required)

Location:

Oak Ridge, TN 37830 (Preferred)

Ability to Commute:

Oak Ridge, TN 37830 (Required)

Work Location: In person

Quick Apply

Refine Your Search

mechanical engineer jobs in oak ridge, tn

Nuclear Mechanical Engineer

Design Engineer

Manufacturing Engineer

Mechanical Design Engineer

Mechanical Design Engineer - HFIR

Early Career Mechanical Engineer

Mid-Level Mechanical Engineer (Hybrid/Remote)

Specialty Mechanical Engineer Mid (Hybrid/Remote)

Specialty Mechanical Equipment Engineer (Hybrid/Remote)

Design Engineer

Facility & Utility Engineer

Mechanical Engineer

Piping and Relief Design Engineer

Piping Engineer

Sheet Metal Fabrication Process Engineer

Welding Technical Specialist

Welding Engineer

Mechanical Engineer

Senior-Level Mechanical Engineer (Hybrid/Remote)

Mechanical Engineer

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