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Internship Nuclear Design Jobs (NOW HIRING)

Antaresindustries

Nuclear Engineer I/II

Los Angeles, CA · On-site

$120 - $165/hr

Collaborate with senior engineers on iterative design tasks * Contribute to documentation and ... Coursework or internships involving Multiphysics modeling * Interest or experience in microreactors ...

BWXT

Mechanical Design Intern

Lynchburg, VA

We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers ... If you are looking for a Summer 2027 internship opportunity where innovative thinking is fostered ...

BWX Technologies

Mechanical Design Intern

Lynchburg, VA · On-site

We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers ... If you are looking for a Summer 2027 internship opportunity where innovative thinking is fostered ...

Kairos Power

Senior Engineer, Reactor Vessel

Alameda, CA · On-site

$118K - $162K/yr

The role will regularly interface with multidisciplinary teams including, nuclear design, thermal ... Capability to mentor and train junior engineers and interns. * Dedication to safety and risk ...

Industrious Ventures

Nuclear Engineer I/II

Los Angeles, CA · On-site

$120 - $165/hr

Collaborate with senior engineers on iterative design tasks * Contribute to documentation and ... Coursework or internships involving Multiphysics modeling * Interest or experience in microreactors ...

General Atomics

Intern - Nuclear Engineering

San Diego, CA · On-site

$30 - $38/hr

We have exciting opportunities for Nuclear Engineering Interns in a variety of fields of study ... Neutronics and Shielding Design of Space Power System * Nuclear Code Experience, MCNP, SCALE, RELAP ...

New

X Energy LLC

Mechanical Design Engineer

Rockville, MD

$77K - $105K/yr

May include industry internship experience, hobby, or participation in collegiate engineering ... Preferred Qualifications * Experience with commercial nuclear power plant operations.

X Energy LLC

Mechanical Design Engineer

Rockville, MD · On-site

$77K - $105K/yr

May include industry internship experience, hobby, or participation in collegiate engineering ... Preferred Qualifications * Experience with commercial nuclear power plant operations.

SPECTRA TECH, Inc.

Design Engineer

Oak Ridge, TN · On-site

Minimum Requirements (Education & Experience) • BS in Mechanical Engineering, Nuclear Engineering ... internships, or professional experience) in: o Mechanical design fundamentals (mechanics of ...

Spectra Tech, Inc.

Design Engineer

Oak Ridge, TN · On-site

Minimum Requirements (Education & Experience) * BS in Mechanical Engineering, Nuclear Engineering ... Demonstrated ability (through coursework, project work, internships, or professional experience) in ...

SPECTRA TECH INC

Design Engineer

Oak Ridge, TN · On-site

Demonstrated ability (through coursework, project work, internships, or professional experience) in ... Educational Requirements BS in Mechanical Engineering, Nuclear Engineering, or a related ...

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Internship Nuclear Design information

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How much do internship nuclear design jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for internship nuclear design in the United States is $16.33, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $19.23 per hour, depending on experience, location, and employer.

What is an internship nuclear design?

Internship Nuclear Design positions are entry-level roles for students or recent graduates interested in the field of nuclear engineering and design. These internships provide hands-on experience in designing nuclear systems, reactors, or components under the supervision of experienced engineers. Interns typically assist with technical analysis, computer modeling, safety reviews, and documentation related to nuclear projects. The aim is to develop practical skills and gain industry insight, often leading to future career opportunities in nuclear engineering.

What do internship nuclear design interns do?

As a Nuclear Design intern, you can expect to work on a variety of projects that support senior engineers in designing and analyzing nuclear systems. Typical tasks include assisting with computer simulations, preparing technical reports, and supporting safety assessments. Interns often collaborate with multidisciplinary teams to solve engineering challenges and may participate in meetings to discuss design modifications. This hands-on experience helps interns develop practical skills and gain insight into the workflow of nuclear engineering projects.

What are the key skills and qualifications needed for an internship nuclear design?

To thrive as an Internship Nuclear Design, you generally need a background in nuclear engineering or a related field, with strong analytical and problem-solving abilities. Familiarity with industry-standard simulation software (such as MCNP or SCALE), CAD tools, and a basic understanding of regulatory and safety systems is often required. Strong teamwork, attention to detail, and effective communication skills help interns contribute meaningfully and learn from experienced professionals. These skills and qualifications are crucial for ensuring safe, accurate nuclear design work and for developing the technical foundation needed in this highly regulated industry.

What is the difference between Internship Nuclear Design vs Nuclear Engineer?

AspectInternship Nuclear DesignNuclear Engineer
Required CredentialsEnrolled in or recent graduate of nuclear engineering or related programBachelor's or master's degree in nuclear engineering or related field
Work EnvironmentInternship setting, often in research labs or design officesFull-time professional setting, including design, analysis, and operational support
Employer & Industry UsageUsed by nuclear power plants, research facilities, and engineering firms for trainingEmployed in nuclear power plants, consulting firms, and government agencies

Internship Nuclear Design provides hands-on training for students or recent graduates, focusing on learning design principles. Nuclear Engineers are full-time professionals responsible for designing, analyzing, and maintaining nuclear systems. Internships serve as a stepping stone to a career in nuclear engineering, which involves more responsibility and advanced tasks.

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Internship Nuclear Design jobs near you
Infographic showing various Internship Nuclear Design job openings in the United States as of August 2026, with employment types broken down into 90% Full Time, 7% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $33,957 per year, or $16.3 per hour.

Nuclear Engineer I/II

Antaresindustries

Los Angeles, CA • On-site

$120 - $165/hr

Other

Re-posted yesterday

Job description

About the Role

As a member of the nuclear engineering team, you will become the responsible engineer for a key component of the Antares reactor design such as reactivity controls and instrumentation, radiation shielding, fuels, materials, thermal hydraulics, safety, or licensing. The ideal candidate has a mix of industry and academic experience, and has worked in a team-oriented environment to mature nuclear concepts. While you may have a specialty, you’re not afraid to operate as a generalist in a growing organization.

Roles and Responsibilities
  • Assist with neutronics modeling and simulations using MCNP, Serpent, or SCALE
  • Support Multiphysics analyses (thermal-hydraulics, heat transfer, structural mechanics)
  • Participate in experimental validation of simulation results
  • Collaborate with senior engineers on iterative design tasks
  • Contribute to documentation and regulatory reporting
  • Participate in hardware demonstrations and prototype testing
Basic Qualifications
  • Bachelor's degree in Nuclear Engineering or related technical field
  • Familiarity with neutron transport software (MCNP, Serpent, SCALE)
Preferred Skills & Experience
  • Familiarity with Python or similar programming language
  • Coursework or internships involving Multiphysics modeling
  • Interest or experience in microreactors, heat pipe cooled reactors, or other advanced reactors
  • Exposure to fast-paced project environments
  • Proven ability to quickly learn new technical concepts
  • Strong communication skills
Pay Ranges

Nuclear Engineer I: 120k-135k

Nuclear Engineer II: 135k-165k

Your actual level and base salary will be determined on a case‑by‑case basis and may vary based on the following considerations: job‑related knowledge and skills, education, and experience.

Equal Opportunity

Antares is an Equal Opportunity Employer. Employment decisions are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.

ITAR Requirements

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

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