Nuclear Criticality Safety Engineer

Date: Jun 3, 2024

Location: Lynchburg, VA, US

Company: BWX Technologies

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. Headquartered in Lynchburg, Va., BWXT provides safe and effective nuclear solutions for national security, clean energy, environmental remediation, nuclear medicine and space exploration. With approximately 6,400 employees, BWXT has 12 major operating sites in the U.S. and Canada. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental remediation and nuclear operations management at more than a dozen U.S. Department of Energy and NASA facilities. BWXT’s technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. Follow us on Twitter at @BWXTech and learn more at


BWXT is currently seeking a Nuclear Criticality Safety Engineer for its Lynchburg, VA location!


Nuclear Criticality Safety (NCS) engineers ensure plant operations comply with NRC requirements in order to prevent a criticality accident. 


Job Description/Duties:

  • Performs NCS analyses to define the safety basis for SNM operations.
  • Advises production personnel on the impact of process changes and facility modifications. 
  • Executes computer models to evaluate normal operations and process upsets with regards to NRC License limits. 
  • Determines limits and controls to maintain operations critically safe.
  • Evaluates accident sequences and identifies Items Relied On For Safety to ensure a criticality is highly unlikely.
  • Approves operating and maintenance procedures important to the safety of operations.
  • Participates in audits and inspections, investigations of unusual incidents, and design reviews.
  • Performs other duties as assigned.


Job Qualifications/Requirements:

  • A minimum of a Bachelor’s Degree in Engineering is required.  Preference given to candidates with Nuclear Engineering or Physical Science focus. Internal candidates with a Physics Degree who are already on the Engineering Ladder are also eligible.
  • Must possess at least four (4) years of related experience. Previous NCS experience preferred, especially in an NRC licensed fuel cycle facility. 
  • Working knowledge of 10 CFR Part 70 is a plus.
  • Must be able to demonstrate superior written, oral, and interpersonal communication skills.
  • Must be highly self-motivated and directed, with keen attention to detail.
  • Must be a US Citizen with no dual citizenship.
  • Must be able to obtain and maintain a U.S. Department of Energy (DOE) clearance.




As a federal government contractor, BWX Technologies, Inc. and any subsidiaries, affiliates and related entities (“BWXT” or the “Company”) complies with all federal, state, and local laws and customer requirements regarding COVID-19 and other health and safety protocols.  As such, all BWXT new hires will be required to adhere to applicable Company COVID-19 requirements within the workplace as a condition of employment.

Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified information or matter. Position requires U.S. citizenship with (no dual citizenship) ability to obtain and maintain a Department of Energy (DOE) security clearance which involves an extensive criminal and financial background investigation, drug test and previous employment reference verifications.

BWXT supports diversity and is committed to the concept of Equal Employment Opportunity. We have established procedures to ensure that all personnel actions such as recruitment, compensation, career development, benefits, company-sponsored training and social recreational programs are administered without regard to race, color, religion, gender, national origin, citizenship, age, disability or veteran status.


Nearest Major Market: Lynchburg
Nearest Secondary Market: Virginia

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