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Criticality Jobs (NOW HIRING)

We are currently seeking a Nuclear Criticality Safety Engineer to support our AIKEN, SC office out at the Savannah River Site (SRS). The Engineer will provide engineering support for U.S. Department ...

We have an opening for a Criticality Safety Engineer. You will contribute to the design, development, and testing of nuclear equipment and systems for Lawrence Livermore National Laboratory (LLNL ...

The Criticality Safety Officer (CSO) is responsible for establishing, implementing, and maintaining the nuclear criticality safety program across Standard Nuclear's fuel manufacturing and handling ...

Criticality Safety Engineer

Livermore, CA · On-site

$146K - $222K/yr

We have an opening for a Criticality Safety Engineer. You will contribute to the design, development, and testing of nuclear equipment and systems for Lawrence Livermore National Laboratory (LLNL ...

We are currently seeking a Criticality Safety Engineer to support our Oakridge, TN office . The Engineer will provide engineering support for U.S. Department of Energy (DOE) facilities and projects ...

We are currently seeking a Criticality Safety Engineer to support our Oakridge, TN office . The Engineer will provide engineering support for U.S. Department of Energy (DOE) facilities and projects ...

We are currently seeking a Nuclear Criticality Safety Engineer to support our AIKEN, SC office out at the Savannah River Site (SRS). The Engineer will provide engineering support for U.S. Department ...

Criticality Safety Engineer

Livermore, CA · On-site

$146K - $222K/yr

We have an opening for a Criticality Safety Engineer. You will contribute to the design, development, and testing of nuclear equipment and systems for Lawrence Livermore National Laboratory (LLNL ...

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Criticality information

See salary details

$106.5K

$154.5K

$186K

How much do criticality jobs pay per year?

As of Jun 15, 2026, the average yearly pay for criticality 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 a Criticality Safety Engineer, and why are they important?

To thrive as a Criticality Safety Engineer, you need a strong background in nuclear engineering, physics, or a related field, often supported by a relevant degree and specialized training in nuclear safety. Familiarity with nuclear safety analysis codes (such as SCALE, MCNP), regulatory compliance systems, and professional certifications like Certified Health Physicist (CHP) are typically required. Exceptional analytical thinking, attention to detail, and clear communication are crucial soft skills for assessing risks and collaborating with multidisciplinary teams. These skills and qualifications are vital to ensure nuclear operations remain safe, compliant, and free from criticality accidents.

What are some typical challenges faced by professionals working in nuclear criticality safety, and how are they addressed?

Professionals in nuclear criticality safety often encounter the challenge of ensuring that nuclear materials are handled, stored, and processed in ways that prevent accidental criticality incidents. This requires meticulous attention to detail, strict adherence to safety protocols, and ongoing risk assessments. Collaboration with engineers, health physicists, and operations staff is common to ensure all procedures and facility designs meet regulatory guidelines. Continuous training, safety drills, and clear communication are essential to maintaining a safe work environment and addressing any emerging risks.

What engineers make $500,000?

Senior engineers in fields such as software, petroleum, and aerospace engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. These roles typically require advanced skills, extensive experience, and sometimes specialized certifications or advanced degrees. Compensation varies based on industry, location, and company size.

What is the difference between Criticality vs Safety Analyst?

AspectCriticalitySafety Analyst
Required credentialsEngineering degrees, certifications in risk assessmentSafety certifications, environmental or industrial safety training
Work environmentIndustrial plants, manufacturing, energy sectorsWorkplaces focused on safety protocols, compliance, and risk management
Employer and industry usageOil & gas, manufacturing, power generationConstruction, manufacturing, transportation
Common search intentAssessing system importance and failure impactEnsuring safety standards and accident prevention

Criticality focuses on evaluating the importance of systems or components within a process, often to prioritize maintenance or risk management. Safety Analysts concentrate on identifying hazards and implementing safety measures to prevent accidents. While both roles involve risk assessment, Criticality emphasizes system importance, whereas Safety Analysts focus on safety protocols and compliance.

What are good jobs for critical thinkers?

Critical thinkers are well-suited for roles that require analysis, problem-solving, and decision-making, such as management, engineering, data analysis, and research positions. These jobs often involve evaluating complex information, developing solutions, and making informed judgments, sometimes requiring certifications or advanced education. Strong analytical skills and attention to detail are essential in these fields.

What is a Criticality Analyst?

A Criticality Analyst is a professional who evaluates and manages the risks associated with nuclear materials, ensuring that processes and storage do not reach unsafe levels of nuclear chain reactions, known as criticality. They analyze systems, develop safety protocols, and perform calculations to prevent accidental nuclear reactions in facilities like nuclear power plants or research labs. Their work is essential for maintaining safety standards and regulatory compliance in environments where fissile materials are handled.

What jobs will no longer exist in 2030?

Criticality jobs, such as manual assembly line roles and routine data entry positions, are expected to decline significantly by 2030 due to automation and AI advancements. Many tasks requiring repetitive skills will be replaced by machines or software, emphasizing the need for workers to develop digital literacy and adaptable skills.

What jobs pay $2000 a day?

High-paying jobs that can pay around $2000 a day include specialized roles such as senior corporate lawyers, certain executive positions like CEOs or CFOs, and highly experienced consultants or contractors in fields like IT, engineering, or finance. These roles typically require advanced skills, extensive experience, and often involve high levels of responsibility or project-based work. Compensation varies based on industry, location, and individual expertise.
More about Criticality jobs
What cities are hiring for Criticality jobs? Cities with the most Criticality job openings:
What states have the most Criticality jobs? States with the most job openings for Criticality jobs include:
Infographic showing various Criticality job openings in the United States as of June 2026, with employment types broken down into 96% Full Time, 1% Part Time, 1% Temporary, and 2% Contract. Highlights an 90% Physical, 5% Hybrid, and 5% Remote job distribution, with an average salary of $154,474 per year, or $74.3 per hour.
Criticality Safety Engineer

Criticality Safety Engineer

Pae

Aiken, SC

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


Job description

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Nuclear Criticality Safety Engineer to support our AIKEN, SC office out at the Savannah River Site (SRS). The Engineer will provide engineering support for U.S. Department of Energy (DOE) facilities and projects in Design Services. The Engineer must have demonstrated experience in preparing documents to support the development of or changes to complex engineering designs or design changes supporting facility or project scoped work.

Candidates will obtain site specific Nuclear Criticality Safety (NCS) Analyst Qualification to support implementation of a DOE Approved Nuclear Criticality Safety Program in an operating non-reactor nuclear facility.

Job Responsibilities

  • Provide technical guidance to operating organizations.
  • Collaborate with operating organization personnel on NCS evaluations as the lead NCS Analyst.
  • Perform independent reviews of NCS evaluations.
  • Conduct periodic reviews of fissionable material operations.
  • Lead and/or participating in NCS response to programmatic issues and criticality process deviations/infractions.
  • Participate in NCS emergency response preparation (emergency procedures, plans, exercises, and drills).
  • Independently prepare, review, and/or present technical reports to the criticality safety community (e.g. American Nuclear Society, etc.).
  • Conduct NCS training for all levels of employees involved in fissionable material operations.
  • Assist in the development and/or review of new or proposed changes to existing NCS programmatic policy and implementing documents.
  • Lead and/or participate in assessments and audits of the NCS Program.
  • Mentor of less experienced Nuclear Criticality Safety (NCS) Analysts and Analysts In-Training on all aspects of criticality safety.
  • Development, revision, and review of Nuclear Criticality Safety (NCS) documentation such as Criticality Safety Evaluations (CSEs), Nuclear Criticality Safety Design Analysis, and Calculations (DACs) and various other NCS technical basis documentation.
  • Complete required NCS annual Operational Reviews.
  • Daily nuclear facility support; consisting of facility walkdowns, review of NCS requirements, implementing documents, participation at facility Operational Safety Boards, etc.

Required Skills/Abilities

  • Bachelor's degree in nuclear, engineering, math, or science with minimum of 4-5 years of Nuclear Criticality Safety (NCS) experience is required (Nuclear Engineering degree preferred) or 5 years of equivalent technical experience in place of a B.S.
  • Involvement in industry committees preferred (e.g., ANS).
  • Min of 3 years of DOE-specific experience is highly preferred
  • Candidate must be a US citizen.
  • Candidate must have the ability to obtain and maintain a DOE "Q" security clearance.
  • Demonstrated keen attention to detail.

Educational Requirements

  • Alternate combination of education and experience will be considered.

Compensation Details:

$115,000+

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

06/09/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.