Top 91 Nuclear Criticality Engineer Jobs

Nuclear Shielding and Criticality Engineer
TerraPower LLC. —Everett, WA
- $168,316 - $252,475 a year
- 8 hour shift
- Bachelor of Science
- Bachelor's degree
- Doctor of Philosophy
- Paid holidays
- Disability insurance
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Nuclear Criticality Safety Engineer
ENERCON Services —Oak Ridge, TN
- Microsoft Outlook
- 5 years
- Bachelor's degree
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Nuclear Criticality Safety Engineer
Amentum —Remote
- $90,000 a year
- Full-time
- Hybrid work
- Bachelor of Science
- Engineering
- Mid-level
- Employee stock purchase plan
- Paid holidays
Nuclear Criticality Safety Engineer
Edgewater Technical Associates —Richland, WA
- Full-time
- Master's degree
- Bachelor's degree
- Doctor of Philosophy
- Disability insurance
- Health insurance
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Nuclear Criticality Safety Engineer (3786)
Navarro Inc. —Oak Ridge, TN
- Full-time
- Bachelor of Science
- System design
- Mid-level
- AD&D insurance
- Paid holidays
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Nuclear Criticality Safety Engineer - UPF
Y12 —Oak Ridge, TN
- Bachelor of Science
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
Nuclear Criticality Safety Engineer
MS Technology, Inc. —Oak Ridge, TN
- Online Application
- Engineering
- 11+ years
- Military encouraged
- Paid holidays
- Disability insurance
Nuclear Criticality Safety Engineer
Boston Government Services, LLC —Oak Ridge, TN
- Part-time
- 5 years
- High school diploma or GED
- Analysis skills
- Disability insurance
- Health insurance
Nuclear Criticality Safety Engineer - Hybrid
Urenco —Eunice, NM
- $104,288 - $148,136 a year
- Weekends as needed
- In person
- Office
- Master's degree
- Analysis skills
Nuclear Criticality Engineer
GEM Technologies, Inc. —Oak Ridge, TN
- Full-time
- Construction site
- Engineering
- Mid-level
- Health savings account
- Paid holidays
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Nuclear Engineer
Standard Nuclear, Inc. —Oak Ridge, TN
- System design
- Continuous improvement
- Travel
- Health savings account
- Paid holidays
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Nuclear Spent Fuel Engineer
Vistra Nuclear Operations Company —Cleveland, OH
- Online Application
- 6 years
- Engineering
- Analysis skills
Nuclear Facilities Engineer 3/4 (Mechanical Engineer)
Los Alamos National Laboratory —Los Alamos, NM
- $128,000 - $266,500 a year
- Overtime
- 18 years or older
- 6 years
- Engineering
- Disability insurance
- Health insurance
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
Associate Criticality Safety Engineer
Lawrence Livermore National Laboratory —Livermore, CA
- $121,830 - $185,544 a year
- Full-time
- Pass drug screening
- Mid-level
- Master's degree
- Relocation assistance
- 401(k)
Nuclear Facilities Engineer 3/4
Los Alamos National Laboratory —Los Alamos, NM
- $128,000 - $266,500 a year
- Overtime
- 18 years or older
- 6 years
- Engineering
- Disability insurance
- Health insurance
NCERC Nuclear Facility Engineer (Nuclear Facilities Engineer 1)
Los Alamos National Laboratory —Las Vegas, NV
- $96,600 - $158,000 a year
- Email
- 18 years or older
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance
9d
Senior/Principal Nuclear Safety Systems Engineer, Nuclear Safety Technologies, Onsite
Sandia National Laboratories —Albuquerque, NM
- $117,500 - $235,700 a year
- Full-time
- 5 years
- Pass drug screening
- Bachelor's degree
- Relocation assistance
- Health insurance
4d
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
Nuclear Facilities Engineer 1/2 (Mechanical Engineer)
Los Alamos National Laboratory —Los Alamos, NM
- $96,600 - $176,000 a year
- Overtime
- 18 years or older
- Engineering
- Pass drug screening
- Disability insurance
- Health insurance

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Nuclear Shielding and Criticality Engineer

TerraPower LLC. -
Everett, WA

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Job Details

$168,316 - $252,475 a year

Benefits

Paid holidays
Disability insurance
Relocation assistance
Health insurance
Dental insurance
401(k)
Paid time off
Parental leave
Vision insurance

Qualifications

Safety regulations
Nuclear radiation protection
Radiation protection measures

Full Job Description

TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure, and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, TerraPower originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. They recognized energy access was crucial to the health and economic well-being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. TerraPower's mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company's activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits."

TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes. TerraPower is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.

Nuclear Shielding and Criticality Engineer

TerraPower, LLC. is seeking a highly capable and motivated nuclear shielding and criticality engineer. The position is primarily shielding related. The primary software is MCNP 6.2, and strong MCNP skills are required. The class of problems include shielding, energy deposition, neutron fluence, activation, and criticality. Strong written and oral communication skills are essential. Experience working in an NQA-1 environment with rigorous quality standards is desirable.

Responsibilities

Perform radiation shielding design and analysis for advanced nuclear reactors, including calculating dose rates, activation rates, neutron fluence rates, and energy deposition rates.
Develop radiation sources based on material activation analysis for non-fuel in-vessel components.
Perform criticality calculations and develop upper subcritical limits (USLs)
Establish and maintain formal documentation of analysis results.

Work at TerraPower is dynamic and evolutionary. As such, new responsibilities often arise, and you should be capable of and excited about learning and applying specialized skills.

Key Qualifications and Skills

Experience:
- B.S. degree in Nuclear Engineering with 5-20 years' experience
- M.S. degree in Nuclear Engineering with 3-15 years' experience
- Ph.D degree in Nuclear Engineering with 2-10 years' experience
- Competitive candidates will typically have the above experience, but less experienced candidates with highly desired experience in specialized areas will be considered on a case-by-case basis.
Strong MCNP skills and experience with performing radiation shielding calculations for both gammas and neutrons are required. Experience in criticality safety is desirable.
Candidate should be familiar with variance reduction using MCNP, and features such as surface source read/write, mesh tallies, and weight windows. Familiarity with ADVANTG for weight windows generation is a plus.
Excellent written and verbal and communication skills required.
Ability and professionalism to work within published regulatory guidelines required.
Experience working under NQA-1 quality program desired.
Strong computational expertise desired.
Experience with Attila /Attila4MC and computed aided drafting (e.g., SolidWorks, SpaceClaim) is a plus.
Fast reactor experience a plus.
Strong programming skills in any language is a plus, and Python is commonly used in this position.
Knowledgeable or highly motivated to quickly learn basic nuclear reactor design concepts to meaningfully support engineering team.
Acts independently to determine methods on new or special assignments. Works without specific direction from manager.
Acts as a technical subject matter expert in the area of shielding or criticality safety.
Mentors or provides technical guidance to less experienced engineers.
Creates formal networks involving coordination among groups. Exerts cross-functional influence.
Actual position starting level and title will be determined based on assessment of qualifications.

Job Functions:

Job Functions are physical actions and/or working conditions associated with the position. These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation. Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations. An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.

Motor Abilities: Sitting for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds.
Repetitive work: Prolonged
Special Senses: Visual and audio focused work
Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hours/day
Travel required 0-10%

TerraPower's technology is controlled for export by various agencies of the U.S. Government. TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements. To facilitate TerraPower's export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States. Government export authorization approval times vary. Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval.

Job details

Salary Range: $168,316 - $252,475

Any salary offered within the posted salary band is based on market data and commensurate with the selected candidate's qualifications and experience. This range is specific to Washington State.

Benefits:

Competitive Compensation
Salary, eligible to participate in discretionary short-term incentive payments
Comprehensive Medical and Wellness Benefits
- Medical
- Vision
- Dental
- Life and Disability
- Gender Affirmation Benefits
Parental Leave
401k Plan
Generous Paid Time Off (PTO)
- 21 days of annually accrued PTO
Generous Holiday Schedule
- 10 paid holidays
Relocation Assistance
Professional and Educational Support Opportunities

TerraPower Career and Benefits information: https://www.terrapower.com/contact-us/careers/

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Refine Your Search

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Nuclear Shielding and Criticality Engineer

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Nuclear Criticality Safety Engineer - UPF

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Nuclear Criticality Engineer

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Nuclear Facilities Engineer 3/4 (Mechanical Engineer)

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Associate Criticality Safety Engineer

Nuclear Facilities Engineer 3/4

NCERC Nuclear Facility Engineer (Nuclear Facilities Engineer 1)

Senior/Principal Nuclear Safety Systems Engineer, Nuclear Safety Technologies, Onsite

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