Nuclear Criticality Safety Engineer

Boston Government Services, LLC (BGS); Knoxville (TN); Hybrid; USD 110,000 - 160,000; Part time

Benefits offered by this job

Health Insurance

Dental Insurance

Vision Insurance

Paid Vacation

401(k)

Long and Short-Term Disability

Job summary

A leading engineering firm is seeking a Nuclear Criticality Safety Engineer to perform criticality safety evaluations and ensure the safe handling of fissile materials. Candidates should have a Bachelor’s degree in a related field and a minimum of 5 years in the nuclear industry. The position offers a competitive compensation package with benefits and a hybrid work schedule based in Oak Ridge, Tennessee or Idaho Falls, ID. Join a company that values inclusivity and employee well-being.

Qualifications

• 5+ years of experience in the nuclear industry with nuclear materials and safety.
• Experience in safety analyses, technical evaluations, or safety documentation.
• Familiarity with nuclear safety principles and regulatory requirements.
• Familiarity with nuclear safety principles, regulatory requirements, and industry standards (DOE, NRC, or equivalent).
• Strong analytical, problem‑solving, and technical writing skills.
• Ability to work effectively with multidisciplinary engineering, operations, and safety teams.
• Proficiency in use of MCNP or SCALE for criticality safety analyses.
• Proficiency with standard office software (e.g., Microsoft Office).

Responsibilities

• Perform criticality safety evaluations for fissile materials.
• Develop and maintain criticality safety documentation.
• Provide technical guidance on criticality safety requirements.
• Support hazard analyses and safety reviews for nuclear activities.
• Collaborate with teams to resolve safety issues.
• Support hazard analyses, risk assessments, and safety reviews for nuclear facilities and activities.
• Collaborate with multidisciplinary teams to resolve safety issues and support project execution.
• Assist with the development and delivery of training on nuclear criticality safety as needed.
• Maintain awareness of regulatory changes and industry best practices.

Skills

Analytical skills

Problem-solving

Technical writing

Collaboration

Proficiency in MCNP or SCALE

Proficiency with Microsoft Office

Education

Bachelor’s degree in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, Physics

High school diploma with relevant experience

Tools

Microsoft Office

Job description

Boston Government Services, LLC. (BGS) is seeking a Nuclear Criticality Safety Engineer to support our client in Oak Ridge, Tennessee or Idaho Falls, ID.

BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories, national security facilities, nuclear operations, and complex projects. We support clients at every stage, from strategic planning and program management to the execution of engineering and technical activities. We work to attract and retain the best talent because the best talent delivers the best results for our clients. Our capabilities are based on our experience in complex, secure, and highly regulated environments. We leverage our experience and capabilities to provide mission-driven solutions tuned to our client's mission needs and strategic direction.

We are passionate about our culture! At BGS, we hire people who will bring their whole self to work each day because we value operating with openness and inclusivity, welcoming and respecting all. BGS cares for each employee’s well‑being by offering a comprehensive benefit package and providing a culture of exciting work, excellence, and fun.

If you align with BGS’ company values and culture, we would love for you to explore opportunities to join our growing team by checking out the job description below!

Responsibilities

As the Nuclear Criticality Safety Engineer, you’ll perform criticality safety evaluations for systems that provide the safe handling, storage, processing, and transportation of fissile materials. The work may involve performance of hazard analysis, computational analyses, validation, development of safety controls, documentation, guidance on criticality safety practices, and supporting compliance with applicable regulatory and safety requirements.

• Perform and support nuclear criticality safety evaluations to ensure the safe handling, storage, processing, and transportation of fissile materials.
• Develop, review, and maintain criticality safety documentation, analyses, and procedures in accordance with applicable regulatory and safety requirements.
• Identify, evaluate, and implement criticality safety controls and limits for nuclear operations and projects.
• Provide technical guidance and support to engineering, operations, and safety personnel regarding criticality safety requirements.
• Participate in audits, inspections, and reviews to demonstrate compliance with nuclear safety regulations and standards.
• Support hazard analyses, risk assessments, and safety reviews for nuclear facilities and activities.
• Collaborate with multidisciplinary teams to resolve safety issues and support project execution.
• Assist with the development and delivery of training related to nuclear criticality safety, as needed.
• Maintain awareness of changes in regulations, standards, and industry best practices related to nuclear criticality safety.
• Work effectively in a team environment to communicate and exchange information.

Qualifications

• Bachelor’s degree in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, Physics, or a related technical discipline; or a high school diploma (or equivalent) with relevant technical experience will be considered in lieu of a degree.
• Minimum of 5+ years of experience working in the nuclear industry, including environments involving nuclear materials, nuclear safety, or regulated nuclear operations.
• Experience supporting or performing safety analyses, technical evaluations, or safety‑related documentation.
• Familiarity with nuclear safety principles, regulatory requirements, and industry standards (DOE, NRC, or equivalent).
• Strong analytical, problem‑solving, and technical writing skills.
• Ability to work effectively with multidisciplinary engineering, operations, and safety teams.
• Proficiency in use of MCNP or SCALE for criticality safety analyses.
• Proficiency with standard office software (e.g., Microsoft Office).

Location / Work Arrangement

• Located at the BGS Oak Ridge, Tennessee corporate office or Idaho Falls, ID office.
• Schedule is hybrid, part‑time, Monday – Friday, work hours based on project needs.

Benefits

BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401(k), Long and Short‑Term Disability.

EEO

BGS is an Equal Opportunity/Affirmative Action employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

Exclusive Agreement Disclaimer

BGS has standing contracts with federal agencies throughout the United States. We require an affirmative exclusive agreement to represent all candidates to our clients. By submitting this application, you are consenting to allow BGS to represent you as a candidate for the role in which you are applying.