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Entry Level Nuclear Criticality Safety Engineer Jobs

Research Technician 2/3

Los Alamos, NM · On-site

$16.25 - $22.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ability to learn and understand various criticality safety postings and handle nuclear material in ... entry-level requirements to ensure candidates selected for specific positions can successfully ...

Research Technician 2/3

Los Alamos, NM

$16.25 - $22.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ability to learn and understand various criticality safety postings and handle nuclear material in ... entry-level requirements to ensure candidates selected for specific positions can successfully ...

Safety Analysis Engineer

Lynchburg, VA · On-site

  • Medical

  • Dental

  • Retirement

  • PTO

We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers ... As a Safety Analysis Engineer, you will be part of a team supporting the development of several ...

Safety Analysis Engineer

Lynchburg, VA

  • Medical

  • Dental

  • Retirement

  • PTO

We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers ... As a Safety Analysis Engineer, you will be part of a team supporting the development of several ...

Safety Analysis Engineer

Lynchburg, VA

  • Medical

  • Dental

  • Retirement

  • PTO

We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers ... As a Safety Analysis Engineer, you will be part of a team supporting the development of several ...

Safety Analysis Engineer

Lynchburg, VA · On-site

$99K - $157K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers ... As a Safety Analysis Engineer, you will be part of a team supporting the development of several ...

Engineer II, Nuclear

Rockville, MD · Hybrid

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Execute nuclear engineering assignments with clear and specified objectives; utilize conventional ... Criticality safety. * Reactor multiphysics analysis, especially pertaining to transient analysis.

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Entry Level Nuclear Criticality Safety Engineer information

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$154.5K

$186K

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

As of Aug 17, 2026, the average yearly pay for entry level 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 are the key skills and qualifications needed to thrive as an entry level nuclear criticality safety engineer?

To thrive as an Entry Level Nuclear Criticality Safety Engineer, a solid background in nuclear engineering, physics, or a related field—often with a relevant bachelor's degree—is essential. Familiarity with nuclear safety codes, Monte Carlo simulation software (like MCNP), and regulatory standards is commonly required. Strong analytical thinking, attention to detail, and effective communication help individuals excel in collaborative and safety-focused environments. These skills and qualifications are vital to ensure accurate risk assessments, regulatory compliance, and the prevention of criticality accidents in nuclear facilities.

What does an entry level nuclear criticality safety engineer do?

An Entry Level Nuclear Criticality Safety Engineer assists in evaluating and controlling nuclear processes to prevent accidental criticality events, which can release dangerous levels of radiation. They help develop procedures, perform safety analyses, and review facility operations to ensure compliance with nuclear safety regulations. Typically, they work under the supervision of experienced engineers while gaining hands-on experience with nuclear materials and safety systems. Their role is essential for maintaining the safety of nuclear facilities and protecting workers and the environment.

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

AspectEntry Level Nuclear Criticality Safety EngineerEntry Level Nuclear Safety Analyst
CredentialsBachelor's in nuclear engineering or related field; certifications like NEA or NQA preferredBachelor's in nuclear, mechanical, or safety engineering; certifications vary
Work EnvironmentDesign review, safety analysis, compliance in nuclear facilitiesSafety assessments, incident analysis, regulatory reporting in nuclear plants
Employer & Industry UsageNuclear power plants, research reactors, DOE facilitiesNuclear power plants, regulatory agencies, consulting firms

While both roles focus on nuclear safety, the Entry Level Nuclear Criticality Safety Engineer specializes in preventing nuclear chain reactions, whereas the Entry Level Nuclear Safety Analyst concentrates on overall safety assessments and compliance. Both positions require similar educational backgrounds and often work within the same industry environments, but their specific responsibilities differ based on safety focus areas.

What typical challenges might an entry level nuclear criticality safety engineer face in their first year on the job?

As an entry level Nuclear Criticality Safety Engineer, you may encounter challenges such as adapting to complex regulatory requirements, mastering technical safety analysis software, and understanding the intricacies of nuclear facility operations. You’ll also need to develop effective communication skills to collaborate with multidisciplinary teams and clearly present safety recommendations. Learning how to balance thorough risk assessment with practical operational constraints is a key part of the role’s early learning curve.
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Infographic showing various Entry Level Nuclear Criticality Safety Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $154,474 per year, or $74.3 per hour.

Safety Analysis Engineer-Lynchburg,Virginia

BWXT

Lynchburg, VA

Full-time

Medical, Dental, Retirement, PTO

Re-posted 9 days ago


Job description

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. 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 restoration and operations management at 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. For more information, visit www.bwxt.com . Follow us on LinkedIn , X , Facebook and Instagram .
Welcome to BWXT
We believe in empowering our employees and cultivating a dynamic workplace that fosters growth and collaboration. Whether you're an experienced professional or just starting your career, you'll find opportunities to challenge yourself, learn from seasoned experts, and contribute to nuclear innovation. We require a diverse range of skills to support our work in the markets that drive our business and welcome candidates from all backgrounds and life stages who are passionate about making a difference.
BWXT is People Strong, Innovation Driven - be part of BWXT's innovation hub. BWXT's Advanced Technologies (AT) group researches, designs, and develops innovative new nuclear reactors, nuclear rocket propulsion systems, and radioisotope production systems for both internal and external customers.
If you are looking for a career where your experience is valued, innovative thinking is fostered, and barrier-free teamwork is embraced every day, then this opportunity is for you.
Position Overview:
As a Safety Analysis Engineer, you will be part of a team supporting the development of several leading technologies for various applications on earth and in space. The Safety Analysis group is responsible for developing methodologies and performing analyses to demonstrate that the various reactor designs satisfy their safety bases and licensing requirements. These types of analyses include deterministic safety evaluations of the reactor core, passive cooling, safety protection system, and radiological releases associated with anticipated operational occurrences (AOOs), design basis accidents (DBAs), and beyond design basis events (BDBEs) as well as probabilistic safety evaluations of the system responses and initiating event frequencies. The Safety Analysis group is responsible for the verification and validation activities associated with the computer codes used in these analyses.
Location:
The position is located in Lynchburg, VA, with the possibility of remote work depending on the candidate's specific skill set and experience.
Your Day to Day as a Safety Analysis Engineer:
  • Develop analytical methods and models for the spectrum of AOOs, DBAs, and BDBEs that are applicable to the reactor design being evaluated.
  • Perform AOO, DBA, and BDBA simulations for the reactor design.
  • Perform engineering calculations related to nuclear safety, fluid flow, probability risk assessment, severe accident analysis, equipment qualification, heat and mass transfer, and other duties.
  • Prepare appropriate documentation supporting evaluations and analyses.
  • Interface with customers, vendors, and other internal functional groups to obtain information necessary to perform work assignments.
  • Identify and recommend improvements in processes on continuing basis and assist in implementation as well as identify and assist in the development of new business opportunities.
  • Perform code benchmarking and validation analyses to support code qualification and methodology development.
  • Perform pre- and post-test analyses to support Separate Effects and Integral Systems Tests, as needed.
  • Develop methodology reports, design criteria, and other licensing documentation to support NRC or DOE review and approval.
  • Provide input to planning, tracking, work estimates, and project updates as requested.
  • Interact with and explain methods, models, analyses, and safety results to customers, regulators, and subject matter experts that may be advising a project as requested.
  • Perform safety analysis tasks including hazard identification, safety basis event identification, and phenomena identification and ranking table development.
  • Support development of safety analysis computational models in accordance with best practices and test data.
  • Perform sensitivity, uncertainty, and scaling analysis in support of evaluation model development as requested.
  • Integrate with other engineering groups performing aspects of component, system, fuel, and control system design.
  • Evaluate and assess experimental data and describe the applicability of experiments to design projects.

Required Qualifications:
  • A bachelor's degree in engineering or physics is required.
  • A minimum of seven (7) years of related experience is required.
  • Must have strong nuclear-thermal-hydraulic analytical skills.
  • Must have experience performing safety analysis using industry computer codes such as RELAP5-3D, GOTHIC, TRACE, MELCOR, etc.
  • Must have experience in safety analysis.
  • Must have demonstrated technical writing skills.
  • Must possess effective communication skills.
  • Must possess a strong understanding of thermal hydraulic behavior of nuclear power plants under steady state and transient conditions.
  • Must be a U.S. citizen.
  • Must be able to obtain and maintain a U.S. Department of Energy (DOE) or Department of Defense (DOD) security clearance, whichever is required.

Preferred Qualifications:
  • M.S. or PhD in Nuclear or Mechanical Engineering.
  • Experience with HTGRs is desired.
  • Experience with SNAP computer code is desired.
  • Experience with developing and applying numerical methods for nuclear thermal-hydraulic problems.
  • Experience with developing complex safety analysis models from scratch.
  • Experience working in a nuclear quality environment (e.g., ASME NQA-1).
  • Familiarity with Linux operating systems.
  • Familiarity with preparing and defending Safety Analysis Reports (SARs) with NRC or DOE.
  • Demonstrated ability to apply technical knowledge to plant conditions, regulatory requirements, and analytical evaluations is preferred.

What We Offer:
  • Competitive salary and benefits package, including health, dental, and retirement plans.
  • Flexible work schedules and paid time off to promote a healthy work-life balance.
  • Professional development opportunities, including mentorship programs and sponsorship for continuing education.
  • An inclusive atmosphere that celebrates new perspectives and supports collaboration between different generations.
  • The chance to be part of a mission-driven organization making a positive impact on the future of energy.
  • Opportunities for continuous learning and training to grow throughout your career!

#LI-CW1
Pay: $99,000.00 - $157,000.00
The base salary range for this position in Virginia (US-VA) at the start of employment is expected to be between $99,000.00 and $157,000.00 per year. However, the base salary offered is based on local job market factors, and may vary further depending on factors specific to the selected job candidate, such as job-related knowledge, skills, experience, and other objective business considerations. Subject to these considerations, the total compensation package for this position may also include other elements, such as an annual cash incentive in addition to a full range of medical, retirement, and/or other benefits. Details of participation in these benefit plans will be provided at such time the selected job candidate receives an offer of employment. If hired, the selected job candidate will be employed 'at-will,' unless employed at a location and in a position subject to a collective bargaining agreement. The company further reserves the right to modify base salary (as well as any other discretionary payment, compensation or benefit program) at any time, including for reasons related to individual performance, company or individual department/team performance, and other market factors.
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 health and safety protocols. As such, all BWXT new hires will be required to adhere to applicable Company health and safety requirements within the workplace as a condition of employment.
All candidates must be U.S. citizens. Selected applicants are required to successfully complete a pre-employment check and drug screening. In addition, the position may require the ability to obtain and maintain applicable federal eligibility requirements for access to classified/sensitive information or matter which involves an extensive criminal and financial background investigation, drug test, previous employment, and reference verifications.
BWXT 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, sex, national origin, citizenship, age, disability, protected veteran or other protected status.
BWX Technologies, Inc. and its affiliates and subsidiaries (BWXT) is not responsible for and does not accept any liability for fees or other costs associated with resumes or candidates presented by recruiters or employment agencies, unless a binding, written recruitment agreement between BWXT and the recruiter or agency exists prior to the presentation of candidates or resumes to BWXT and includes the specific services, job openings, and fees to be paid ("Agreement"). BWXT may consider any candidate for whom a recruiter or agency has submitted an unsolicited resume and explicitly reserves the right to hire such candidate(s) without any financial obligation to the recruiter or agency unless an Agreement is in place prior to presentation and such Agreement explicitly encompasses the job opening for which such fees or costs are sought. An email, verbal or other informal contact with any person within BWXT will not create a binding agreement. Agencies or recruiters without an Agreement are directed not to contact any hiring managers of BWXT with recruiting inquiries or resumes. Recruiters and agencies interested in partnering with BWXT may contact BWXT's Talent Acquisition team at talent_acquisition@bwxt.com.
Nearest Major Market: Lynchburg
Nearest Secondary Market: Virginia
Job Segment: Nuclear Engineering, Thermal Engineering, Safety Engineer, Nuclear Physics, Manufacturing Engineer, Engineering, Science