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Internship Nuclear Criticality Safety Engineer Jobs

Management Solutions, LLC

$110 - $160/hr

Nuclear Criticality Safety Engineer Location: Knoxville, TN (Client Sites as Required) Employment Type: Full-Time Clearance: Active DOE Q required Who We Are Management Solutions LLC (MSLLC) is an ...

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Criticality Safety Engineer, Fuel

Bellevue, WA · On-site

$132 - $171/hr

TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company ... The Criticality Safety Engineer is responsible for developing, implementing, and maintaining ...

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

As of Sep 6, 2026, the average yearly pay for internship 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 does an internship nuclear criticality safety engineer do?

An Internship Nuclear Criticality Safety Engineer assists experienced engineers in analyzing and managing the safety risks associated with handling and storing nuclear materials. Their duties typically include performing calculations, reviewing safety procedures, helping to develop criticality safety evaluations, and supporting compliance with safety regulations. Interns may also participate in safety audits, learn about regulatory requirements, and collaborate with other departments to ensure the safe operation of nuclear facilities.

What types of projects and responsibilities can an intern expect as a nuclear criticality safety engineer?

As an intern in Nuclear Criticality Safety Engineering, you can expect to assist with risk assessments, perform calculations, and review safety procedures related to the handling and storage of nuclear materials. Interns often work under the supervision of experienced engineers, supporting compliance documentation, participating in safety audits, and collaborating with multidisciplinary teams such as reactor operators and health physicists. This role provides valuable hands-on experience in regulatory requirements and criticality safety analysis, laying a strong foundation for a career in nuclear engineering.

What are the key skills and qualifications needed to thrive as an internship nuclear criticality safety engineer?

To thrive as an Internship Nuclear Criticality Safety Engineer, you generally need a solid background in nuclear engineering, physics, or a related field, supported by coursework in nuclear safety and criticality. Familiarity with nuclear simulation software (such as SCALE or MCNP), radiation detection instruments, and safety analysis tools is often expected. Strong analytical thinking, attention to detail, and effective communication skills help interns collaborate with multidisciplinary teams and convey complex safety information clearly. These skills and qualities are vital to ensure precise safety assessments and uphold regulatory compliance in nuclear environments.
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Internship Nuclear Criticality Safety Engineer jobs near you
Infographic showing various Internship 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, 18% Part Time, 1% 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.

Nuclear Criticality Safety Engineer

Edgewater Technical Associates

Aiken, SC • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 hours ago

Job description

Edgewater Technical Associates is seeking qualified candidates for a Nuclear Criticality Safety Engineer opportunity to support the Savannah River Site.
Work Location: Aiken, SC
Nuclear Criticality Safety Engineer-
The Nuclear Criticality Safety Engineer will provide engineering support for the safe operation, maintenance, modification, and continued operation of nuclear facilities within the Department of Energy complex. This position supports nuclear safety and criticality safety programs through engineering analyses, technical evaluations, facility modifications, and implementation of approved safety controls. They will work closely with Operations, Maintenance, Engineering, Nuclear Safety, Design Authority, Quality Assurance, Radiological Controls, and other technical organizations to ensure safe, compliant, and reliable facility operations.
Duties:
  • Perform nuclear criticality safety evaluations supporting facility operations, maintenance activities, engineering modifications, and new projects.
  • Review engineering changes, design packages, temporary modifications, procedures, and process changes for compliance with approved nuclear safety requirements.
  • Support the development, implementation, and maintenance of Criticality Safety Evaluations (CSEs), Safety Basis documentation, Technical Safety Requirements (TSRs), and other nuclear safety documentation.
  • Evaluate process equipment, gloveboxes, tanks, vessels, piping systems, transfer systems, and facility operations to ensure compliance with nuclear safety requirements.
  • Prepare engineering calculations, technical evaluations, hazard analyses, and supporting engineering documentation.
  • Review engineering drawings, P&IDs, calculations, specifications, and operating procedures.
  • Perform field walkdowns to verify equipment configuration, system operability, and compliance with approved engineering documentation.
  • Support facility engineering, operations, maintenance, and Design Authority organizations during troubleshooting, testing, equipment modifications, and facility upgrades.
  • Participate in occurrence investigations, apparent cause evaluations, root cause analyses, and corrective action development.
  • Support engineering change control, configuration management, and design verification activities.
  • Prepare technical reports, engineering recommendations, and supporting documentation.
  • Collaborate with Operations, Maintenance, Radiological Controls, Industrial Safety, Fire Protection, Quality Assurance, and other engineering disciplines to resolve technical issues.

Education/Experience:
  • Bachelor's degree in Chemical Engineering, Nuclear Engineering, Mechanical Engineering, or a related engineering discipline.
  • Experience with Criticality Safety Evaluations (CSEs), Safety Basis documentation, Technical Safety Requirements (TSRs), Unreviewed Safety Questions (USQs), or other nuclear safety programs.
  • Experience as a Nuclear Safety Engineer, Criticality Safety Engineer, Facility Engineer, System Engineer, Design Authority, or Process Engineer in an operating facility.
  • Experience supporting DOE, commercial nuclear, fuel cycle, radiological, chemical processing, power generation, or other highly regulated industrial facilities.
  • Experience interpreting engineering drawings, P&IDs, engineering calculations, and technical documentation.
  • Strong analytical, problem-solving, written, and verbal communication skills.

Preferred Qualifications:
  • Experience supporting nuclear facility operations, engineering, maintenance, or safety programs.
  • Knowledge of DOE engineering practices, configuration management, engineering change control, Conduct of Operations, and integrated safety management principles.
  • Experience supporting nuclear materials processing, radioactive waste operations, fuel cycle facilities, research laboratories, or other DOE nuclear facilities.

Other Job Requirements:
  • Must be a U.S. Citizen
  • Ability to obtain and maintain a DOE security clearance.

If you are interested in being considered for this position, please follow the application steps via our website: www.edgewatertech.net/careers
Edgewater Technical Associates will not submit your resume without first having detailed discussions with you and obtaining your permission to do so. We look forward to hearing from you!
WORKING WITH EDGEWATER TECHNICAL ASSOCIATES
Founded in 2003, Edgewater Technical Associates, LLC (Edgewater) is a New Mexico-based small business headquartered in Los Alamos, NM, with five (5) regional offices across the United States to locally support our growing presence at project sites. Edgewater has a proven track record and is a trusted provider of fixed-price construction projects, engineering, and technical services for the Department of Energy (DOE), National Nuclear Regulatory Commission (NRC), Canadian Commercial Nuclear Industry, and private sector commercial contractors involved in nuclear, high-hazard, or complex operations. Edgewater's experience and guidance ensure that our customers perform hazardous operations, comply with regulatory requirements, and maintain the highest quality and safety standards.
Edgewater is committed to recruiting and maintaining a staff of highly skilled professionals to support our customers. In keeping with this objective, we offer highly competitive salaries and employee benefit packages structured to best suit your needs. We offer multiple individual and family benefit options including paid time off, medical, dental, life, vision, and disability insurance, and a pre- and post-tax 401 (k) retirement account with Company matching contributions and 100% vesting for eligible participants beginning DAY 1.
EQUAL OPPORTUNITY EMPLOYER
Edgewater is an equal opportunity employer, and all qualified applicants will be considered for employment without regard to race, color, religion, sex, national origin, protected veterans, or individuals with disabilities in accordance with EO 14173.
View all Edgewater job opportunities at www.edgewatertech.net/careers

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