Nuclear Criticality Safety Engineer

Boston Government Services, LLC; Idaho Falls (ID); Hybrid; USD 110,000 - 160,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life Insurance

Paid Vacation

401K

Long and Short-Term Disability

Job summary

Boston Government Services, LLC (BGS) is seeking a Nuclear Criticality Safety Engineer to support clients in Oak Ridge, TN and Idaho Falls, ID. The role requires evaluating criticality safety for systems handling fissile materials, developing safety analyses, and ensuring compliance with DOE/NRC standards.

The position involves collaboration with multidisciplinary teams, participating in audits, and contributing to training on criticality safety.

Qualifications

• Bachelor’s degree in Nuclear Engineering or related field, or equivalent experience.
• 5+ years in nuclear industry, with safety analyses or documentation.
• Familiarity with DOE/NRC safety standards and regulatory requirements.

Responsibilities

• Perform criticality safety evaluations for fissile materials handling and transport.
• Develop and maintain criticality safety documentation and analyses.
• Provide guidance on safety controls and compliance with standards.
• Support hazard analyses and risk assessments for facilities.
• Collaborate with engineering, operations, and safety teams.
• Assist with training on nuclear criticality safety.

Skills

MCNP

SCALE

Analytical skills

Education

Bachelor’s degree in Nuclear Engineering

Tools

Microsoft Office

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Nuclear Criticality Safety Engineer

Full Time Idaho Falls, ID, US

9 days ago Requisition ID: 1552

Boston Government Services, LLC. (BGS) has created this Evergreen Talent Pool post for gathering qualified candidates for a position relating to Nuclear Criticality Safety Engineer to support our clients in Oak Ridge, TN and 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.

Work that Matters. People that Matter More.At BGS, we believe meaningful work starts with great people. We foster a culture built on respect, collaboration, and accountability—where employees are empowered to contribute ideas, grow professionally, and make an impact. We care about our employees’ well-being through competitive benefits, clear expectations, and an environment that values both excellence and connection.

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 SafetyEngineer, 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.

Requirements:

• 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)
• Must be a U.S. citizen.
• Must be eligible to obtain and maintain a security or clearance badge.

Location/Work Arrangement:

• This position is available in Oak Ridge, TN, Idaho Falls, ID, and remote.
• Schedule is full-time, Monday - Friday 40 hours per week.

BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401K, 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.

Boston Government Services, LLC. (BGS) has created this Evergreen Talent Pool post for gathering qualified candidates for a position relating to Nuclear Criticality Safety Engineer to support our clients in Oak Ridge, TN and 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.

Work that Matters. People that Matter More.At BGS, we believe meaningful work starts with great people. We foster a culture built on respect, collaboration, and accountability—where employees are empowered to contribute ideas, grow professionally, and make an impact. We care about our employees’ well-being through competitive benefits, clear expectations, and an environment that values both excellence and connection.

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 SafetyEngineer, 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.

Requirements:

• 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)
• Must be a U.S. citizen.
• Successful drug screening.
• Must be eligible to obtain and maintain a security or clearance badge.

Location/Work Arrangement:

• This position is available in Oak Ridge, TN, Idaho Falls, ID, and remote.
• Schedule is full-time, Monday - Friday 40 hours per week.

Benefits:

BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401K, 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.

This position is available in Oak Ridge, TN, Idaho Falls, ID, and remote.
Schedule is full-time, Monday - Friday 40 hours per week.