Amentum is seeking a Nuclear Criticality Safety Engineer for the Pittsburgh, PA area. Candidates ... Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract ...
Amentum is seeking a Nuclear Criticality Safety Engineer for the Pittsburgh, PA area. Candidates ... Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract ...
Amentum is seeking a Nuclear Criticality Safety Engineer for the Pittsburgh, PA area. Candidates ... Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract ...
Amentum is seeking a Nuclear Criticality Safety Engineer for the Pittsburgh, PA area. Candidates ... Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract ...
The Nuclear Criticality Safety Engineer supports nuclear safety activities for the Uranium Processing Facility (UPF), including design, construction, and operational readiness. This role is ...
Quick apply
The Nuclear Criticality Safety Engineer supports nuclear safety activities for the Uranium Processing Facility (UPF), including design, construction, and operational readiness. This role is ...
MS Technology, Inc. is seeking a Nuclear Criticality Safety Engineer to support our clients in Oak Ridge, TN. The Nuclear Criticality Safety Engineersupports nuclear safety activities for the Uranium ...
MS Technology, Inc. is seeking a Nuclear Criticality Safety Engineer to support our clients in Oak Ridge, TN. The Nuclear Criticality Safety Engineersupports nuclear safety activities for the Uranium ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
As the Nuclear Criticality Safety Engineer, you'll perform criticality safety evaluations for ... BGS has standing contracts with federal agencies throughout the United States. We require an ...
As the Nuclear Criticality Safety Engineer, you'll perform criticality safety evaluations for ... BGS has standing contracts with federal agencies throughout the United States. We require an ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
Edgewater Technical Associates is seeking qualified candidates for Nuclear Criticality Safety Engineer opportunities at various locations across the United States Department of Energy (DOE) complex ...
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
Quick apply
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
Quick apply
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
Senior Nuclear Criticality Safety Engineer
Santa Clara, CA · On-site +1
$135K - $175K/yr
Position Description A Senior Nuclear Criticality Safety Engineer at Oklo is responsible for performing criticality safety evaluations, developing the nuclear criticality safety basis, and ...
Senior Nuclear Criticality Safety Engineer
Santa Clara, CA · On-site +1
$135K - $175K/yr
Position Description A Senior Nuclear Criticality Safety Engineer at Oklo is responsible for performing criticality safety evaluations, developing the nuclear criticality safety basis, and ...
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
Quick apply
... Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and ... government contract requirements and/or clearances requirements, US citizenship is required.
Navarro Research and Engineering is recruiting for multiple junior and senior Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and Portsmouth, OH. Navarro is a ...
Navarro Research and Engineering is recruiting for multiple junior and senior Nuclear Criticality Safety Engineering positions located in Oak Ridge, TN, Paducah, KY, and Portsmouth, OH. Navarro is a ...
Contract Nuclear Criticality Safety Engineer information
See salary details
$106.5K - $113.7K
2% of jobs
$113.7K - $121K
2% of jobs
$121K - $128.2K
2% of jobs
$128.2K - $135.4K
0% of jobs
$135.4K - $142.6K
8% of jobs
$146.2K is the 25th percentile. Wages below this are outliers.
$142.6K - $149.9K
23% of jobs
The median wage is $153.5K / yr.
$149.9K - $157.1K
27% of jobs
$160.5K is the 75th percentile. Wages above this are outliers.
$157.1K - $164.3K
25% of jobs
$164.3K - $171.5K
3% of jobs
$171.5K - $178.8K
3% of jobs
$178.8K - $186K
5% of jobs
$106.5K
$154.5K
$186K
How much do contract nuclear criticality safety engineer jobs pay per year?
What is the difference between Contract Nuclear Criticality Safety Engineer vs Contract Nuclear Safety Engineer?
| Aspect | Contract Nuclear Criticality Safety Engineer | Contract Nuclear Safety Engineer |
|---|---|---|
| Certifications | Neutron moderation, criticality safety certifications, often DOE or NRC approved | General nuclear safety certifications, including radiation safety and environmental compliance |
| Work Environment | Design and review of criticality safety controls in nuclear facilities | Broader safety assessments across nuclear plant operations and environmental safety |
| Industry Usage | Primarily in facilities handling fissile materials requiring criticality safety |
The Contract Nuclear Criticality Safety Engineer specializes in preventing nuclear chain reactions in fissile materials, focusing on criticality safety controls. In contrast, the Contract Nuclear Safety Engineer covers a broader scope of nuclear safety, including radiation protection and environmental safety. Both roles require similar certifications but differ in their specific focus areas and work environments within the nuclear industry.

Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Posted 20 days ago
Job description
Amentum is seeking a Nuclear Criticality Safety Engineer for the Pittsburgh, PA area.
Candidates will obtain site-specific Nuclear Criticality Safety (NCS) Analyst Qualification to support the implementation of a DOE-approved Nuclear Criticality Safety Program in an operating non-reactor nuclear facility.
Job Responsibilities
Provide technical guidance to operating organizations.
Collaborate with operating organization personnel on NCS evaluations as the lead NCS Analyst.
Perform independent reviews of NCS evaluations.
Conduct periodic reviews of fissionable material operations.
Lead and/or participate in NCS response to programmatic issues and criticality process deviations/infractions.
Participate in NCS emergency response preparation (emergency procedures, plans, exercises, and drills).
Independently prepare, review, and/or present technical reports to the criticality safety community (e.g. American Nuclear Society, etc.).
Conduct NCS training for all levels of employees involved in fissionable material operations.
Assist in the development and/or review of new or proposed changes to existing NCS programmatic policy and implementing documents.
Lead and/or participate in assessments and audits of the NCS Program.
Mentor of less experienced Nuclear Criticality Safety (NCS) Analysts and Analysts In-Training on all aspects of criticality safety.
Development, revision, and review of Nuclear Criticality Safety (NCS) documentation, such as Criticality Safety Evaluations (CSEs), Nuclear Criticality Safety Design Analysis, and Calculations (DACs), and various other NCS technical basis documentation.
Complete the required NCS annual Operational Reviews.
Daily nuclear facility support; consisting of facility walkdowns, review of NCS requirements, implementing documents, participation at facility Operational Safety Boards, etc.
Required Skills/Abilities
Bachelor's degree in nuclear, engineering, math, or science with a 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.
Experience in Approach to Critical (e.g., NCSP Hands-On Criticality Safety Course) preferred.
DOE-specific experience is highly preferred.
Candidate must be a US citizen.
Candidate must have the ability to obtain and maintain a DOE "Q" security clearance.
Demonstrated keen attention to detail.
Educational Requirements
An alternate combination of education and experience will be considered.
Compensation Details:
90,000The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance
Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
01/06/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.