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Internship Nuclear Engineering Technology Jobs in California

Antares

Nuclear Engineer I/II

Los Angeles, CA · On-site

$120K - $160K/yr

About the Role As a member of the nuclear engineering team, you will become the responsible ... Coursework or internships involving Multiphysics modeling * Interest or experience in microreactors ...

Radiant Industries

Nuclear Engineer, Sensors

El Segundo, CA · On-site

$106K - $146K/yr

Radiant's unique, practical approach to nuclear development leverages modern software engineering ... technologies) for neutron flux and radiation monitoring. * Detector Modeling : Support detector ...

Radiant

Nuclear Engineer, Sensors

El Segundo, CA · On-site

$106K - $146K/yr

Radiant's unique, practical approach to nuclear development leverages modern software engineering ... technologies) for neutron flux and radiation monitoring. * Detector Modeling : Support detector ...

Cantos Ventures

Nuclear Engineer, Sensors

El Segundo, CA · On-site

$120 - $180/hr

Radiant's unique, practical approach to nuclear development leverages modern software engineering ... technologies) for neutron flux and radiation monitoring. * Detector Modeling: Support detector ...

Cantos Ventures

Senior Nuclear Engineer

El Segundo, CA · On-site

$133.50 - $207.90/hr

Location El Segundo HQ Employment Type Full time Location Type On-site Department Engineering ... This position involves access to technology that is subject to U.S. export controls. Any job offer ...

Radiant

Nuclear Engineer, Core Physics

El Segundo, CA · On-site

$106K - $146K/yr

Radiant's unique, practical approach to nuclear development leverages modern software engineering ... This position involves access to technology that is subject to U.S. export controls. Any job offer ...

Flowserve

Manager Nuclear Quality - Global

Vernon, CA · On-site

Familiarity with nuclear engineering principles and technologies. * Analytical Skills: Strong analytical and problem-solving skills. Ability to interpret complex data and make informed decisions.

General Atomics

Nuclear Qualification Engineer

San Diego, CA · On-site

$104K - $125K/yr

... high-technology systems development ranging from the nuclear fuel cycle to remotely piloted ... Electrical Engineering, Nuclear Engineering, or Mechanical Engineering degrees are preferred.

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Nuclear Engineer I/II

Antares

Los Angeles, CA • On-site

$120K - $160K/yr

Full-time

Re-posted 10 days ago

Job description

About Us
At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space.
The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy.
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.
Culture
At Antares, we like to specifically tie each role to our founding document's set of values-here are the top five cultural values we think you should believe at your core to be successful:
  • Think in Systems - Energy and Defense are complex ecosystems with numerous stakeholders with competing priorities, conflicting policies, perverse incentives, and emergent and path-dependent properties. First principles thinking alone is insufficient. Think probabilistically and then take action. "If you want to be certain, then you are apt to be obsolete." Over-optimizing the components often degrades the system
  • Obsess over the End User - The customer and end user are often not the same. We will never build globally competitive commercial products if we lose sight of our end users and their entire interaction with the product life cycle
  • Be Unconstrained by Convention - Our only limits are the laws of physics. Many, even experts, will say what we are working on is impossible. They said the same about SpaceX reusing rockets. Generationally impactful companies, by definition, must accomplish the seemingly impossible. If it were easy, it would have already been done. Never shy away from a solution because it has never been tried before, and never choose to do something because that's "how it's always been done"
  • Go Where the Work Is - Never miss a chance to meet a customer, user, or stakeholder face to face, even if that means hopping on a plane. If you can't make it, find a teammate who can channel your intentions and go in your place. Deep work can be done from anywhere, but we believe teams are built in person, and aim to maximize our time together
  • Operate in the Grey - Embrace nuance in pursuit of truth. Question every fundamental assumption

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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