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Remote Nuclear Criticality Safety Engineer Jobs (NOW HIRING)

Oklo

Senior Nuclear Criticality Safety Engineer

Santa Clara, CA · On-site +1

$135K - $175K/yr

  • Medical

  • Retirement

We are searching for a Senior Nuclear Criticality Safety Engineer to join our team. Position ... Oklo requires remote employees to travel to headquarters (Santa Clara, CA) twice a quarter annually ...

System One

Safety Analysis Engineer, Nuclear

Bellevue, WA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote Overview This contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident modeling (RELAP5-3D or similar) to support U.S. NRC licensing ...

System One

Safety Analysis Engineer, Nuclear

Bellevue, WA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote Overview This contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident modeling (RELAP5-3D or similar) to support U.S. NRC licensing ...

System One

Safety Analysis Engineer, Nuclear

Bellevue, WA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote Overview This contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident modeling (RELAP5-3D or similar) to support U.S. NRC licensing ...

System One

Safety Analysis Engineer, Nuclear

Bellevue, WA · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote Overview This contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident modeling (RELAP5-3D or similar) to support U.S. NRC licensing ...

Oklo

Human Factors Engineer

Santa Clara, CA · On-site +1

  • Medical

  • Retirement

We are searching for a Human Factors Engineer to join our team. Position Description Oklo is ... remote handling, radiological work controls, and nuclear criticality safety. * Experience ...

X Energy LLC

Nuclear Engineer, IV

Rockville, MD · On-site +1

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Criticality safety. * Reactor multiphysics analysis, especially pertaining to transient analysis ... 1 day remote Travel Expectations: 10% (as needed for project assignment) Hours: Standard office ...

Parsons Corporation

Nuclear Engineer

$63K - $111K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Prepares or assists in preparing fundamental process and nuclear engineering/criticality safety calculations, PFDs (Process Flow Diagrams), P&IDs (Process & Instrumentation Diagrams), material ...

SAIC

Senior System Safety Engineer

DC · Remote

$80K - $120K/yr

ORA_REMOTE Description SAIC is seeking a System Safety Engineer to provide critical safety engineering analysis and support for the Submarine Launched Cruise Missile - Nuclear (SLCM-N) development ...

SAIC

Senior System Safety Engineer

IN · Remote

$80K - $120K/yr

ORA_REMOTE Description SAIC is seeking a System Safety Engineer to provide critical safety engineering analysis and support for the Submarine Launched Cruise Missile - Nuclear (SLCM-N) development ...

System One

Nuclear Methods Engineer

Bellevue, WA · Remote

$52 - $85/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote - offsite Hours: 40.0 Overview System One is seeking a highly motivated Nuclear Methods ... Build and apply methods to assess the propagation of uncertainty and their effect on safety margins

System One

Nuclear Methods Engineer

Bellevue, WA · Remote

$52 - $85/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote - offsite Hours: 40.0 Overview System One is seeking a highly motivated Nuclear Methods ... Build and apply methods to assess the propagation of uncertainty and their effect on safety margins

System One

Nuclear Methods Engineer

Bellevue, WA · Remote

$52 - $85/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Remote - offsite Hours: 40.0 Overview System One is seeking a highly motivated Nuclear Methods ... Build and apply methods to assess the propagation of uncertainty and their effect on safety margins

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How much do remote nuclear criticality safety engineer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for remote nuclear criticality safety engineer in the United States is $154,474.00, according to ZipRecruiter salary data. Most workers in this role earn between $146,000.00 and $161,000.00 per year, depending on experience, location, and employer.

What is the difference between Remote Nuclear Criticality Safety Engineer vs Remote Nuclear Safety Analyst?

AspectRemote Nuclear Criticality Safety EngineerRemote Nuclear Safety Analyst
CredentialsTypically requires certifications like ANSI/ANS-8, engineering degrees, and nuclear safety trainingOften requires similar certifications, safety training, and analytical skills
Work EnvironmentPrimarily in nuclear facilities, safety reviews, and compliance documentationInvolves safety assessments, regulatory reporting, and risk analysis, often remotely
Industry UsageCommonly employed in nuclear power plants, research reactors, and fuel facilitiesUsed across nuclear regulatory agencies, consulting firms, and industry operators

The main difference is that Remote Nuclear Criticality Safety Engineers focus specifically on preventing nuclear chain reactions, requiring specialized criticality safety expertise, while Remote Nuclear Safety Analysts handle broader safety assessments and regulatory compliance. Both roles require strong technical knowledge and safety certifications, but their focus areas and daily tasks differ within the nuclear industry.

What does a remote nuclear criticality safety engineer do?

A Remote Nuclear Criticality Safety Engineer is responsible for ensuring that nuclear processes and materials remain within safe limits to prevent accidental criticality incidents, which can release dangerous levels of radiation. Working remotely, they analyze facility designs, review operational procedures, and assess safety systems to ensure compliance with regulatory standards. They also provide technical guidance, perform risk assessments, and develop safety documentation to support nuclear operations. Their work is essential for maintaining the safe handling, storage, and transport of fissile materials in nuclear facilities.

What are some unique challenges faced by remote nuclear criticality safety engineers, and how can they effectively collaborate with onsite teams?

Remote Nuclear Criticality Safety Engineers often face the challenge of maintaining clear and timely communication with onsite personnel, especially when assessing real-time safety concerns or reviewing facility changes. To be effective, they rely heavily on detailed documentation, virtual meetings, and remote access to site data and modeling software. Building strong relationships with onsite engineers and safety staff is essential for seamless collaboration and ensuring all safety protocols are consistently followed. Proactive communication and regular check-ins help bridge the gap created by physical distance and support thorough safety analysis and compliance.

What are the key skills and qualifications needed to thrive as a remote nuclear criticality safety engineer?

To thrive as a Remote Nuclear Criticality Safety Engineer, you need a strong background in nuclear engineering or physics, criticality safety analysis, and typically a relevant degree or professional certification. Familiarity with industry-standard codes (like ANSI/ANS-8 series), Monte Carlo simulation tools (such as MCNP), and regulatory compliance systems is essential. Strong analytical thinking, problem-solving skills, and clear communication are vital for collaborating remotely and ensuring regulatory adherence. These skills and qualifications are crucial for maintaining nuclear safety, preventing criticality incidents, and ensuring accurate risk assessments in remote work environments.
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Remote Nuclear Criticality Safety Engineer jobs near you
Infographic showing various Remote Nuclear Criticality Safety Engineer job openings in the United States as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 2% In-person, and 98% Remote job distribution, with an average salary of $154,474 per year, or $74.3 per hour.

NUCLEAR CRITICALITY SAFETY ENGINEER - Remote

OLH, Inc

Oak Ridge, TN • On-site, Remote

Full-time

Posted 4 days ago

Job description

Welcome to OLH Inc.
OLH Inc. is an Atlanta-based firm founded in 1993 to offer comprehensive, specialized Project, Program, and Construction Management services. We are a small woman-owned firm, recognized for our ability to consistently deliver quality service on projects that are completed on schedule and within budget.
We recruit and hire the brightest minds to join our team of outstanding professionals in many disciplines and specialties. If you are interested and qualified for this career opportunity, we look forward to reviewing your application and hope to have the opportunity to speak with you soon! For more information about OLH and our guiding principles, visit our corporate website at www.olhinc.com
US Citizenship Required
JOB SUMMARY:
The Nuclear Criticality Safety Engineer provides advanced technical expertise to ensure nuclear operations are conducted safely and in compliance with applicable nuclear criticality safety (NCS) requirements. This role is responsible for performing and reviewing criticality safety evaluations, supporting facility operations, and ensuring compliance with DOE, NRC, and applicable industry standards. The position works with moderate supervision and serves as a technical resource for operations, engineering, and safety personnel.
DUTIES / RESPONSIBILITIES:
  1. Criticality Safety-related assessments
  2. Training and mentoring of criticality safety staff and operations staff on criticality safety policies and programs
  3. Nuclear criticality safety-related DOE orders and regulations compliance support, including implementation of related guidance.
  4. Conduct Criticality Safety Evaluation Reports (CSERs) development compliant with American National Standards Institute (ANSI/ANS) 8.1 and Criticality Safety Program
  5. Assist in qualification, verification, and validation of Criticality Safety Software in compliance with Nuclear Quality Assurance Certification Program (NQA-1), ANSI/ANS-8.24, and other applicable regulations and policies
  6. Respond to Criticality Safety Nonconformances per HNF-7098
  7. Aid in improvement and development of programmatic processes for Criticality Safety
  8. Meet the requirements of and achieve/maintain qualification as a CSE

The minimum qualifications are as follows:
REQUIRED QUALIFICATIONS- EDUCATION & EXPERIENCE:
Education: Bachelor of Science or Art Degree in Engineering and Mathematics, physics or a related field.
Experience:
Minimum of 5 years in the industry of which at leae3 are directly related to the required area of expertise; or a combination of experience and education as a Criticality Safety Engineer under 10 CFR 830.
ACTION REQUIRED:
  • PLEASE APPLY BY UPLOADING YOUR RESUME USING THE LINK PROVIDED BELOW. (1-3 Minute Process)
  • Please be sure to OPT IN to Texting to stay informed of open jobs in your field of expertise.

OLH is an Equal Opportunity Employer.
OLH, Inc. ensures nondiscrimination and equal employment opportunity in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact Svetlana Schel at 706-922-5014. Persons with hearing and speech-impairments can contact OLH, Inc. by emailing hr@olhinc.com.
Please note: We do not accept resume submission from third-party paid recruiting sources.

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