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Apprentice Nuclear Engineering Technology Jobs in California

Antares

Senior Nuclear Engineer

Los Angeles, CA · On-site

$150K - $185K/yr

About the Role As a member of the nuclear engineering team, you will become the responsible ... Previous experience at dynamic tech companies or startups * Experience with advanced reactor ...

Radiant Industries

Senior Nuclear Engineer

El Segundo, CA · On-site

$133K - $184K/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 ...

Radiant

Senior Nuclear Engineer

El Segundo, CA · On-site

$133K - $184K/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 ...

US Navy

Nuclear Engineer

Loleta, CA

$105K - $125K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Wilseyville, CA

$103K - $123K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Ivanhoe, CA

$105K - $125K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

$103K - $123K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Durham, CA

$100K - $120K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

$110K - $132K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Cutten, CA

$100K - $120K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Angels Camp, CA

$101K - $121K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Meadow Vista, CA

$105K - $126K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Lake Nacimiento, CA

$105K - $125K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Earlimart, CA

$105K - $125K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Loyalton, CA

$92K - $110K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Richmond, CA

$113K - $135K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Lee Vining, CA

$102K - $122K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

Nuclear Engineer

Covelo, CA

$104K - $125K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

US Navy

$116K - $139K/yr

Completion of a rigorous technical degree in engineering, physics, mathematics, or a closely ... apprenticeships, and other Navy College Program opportunities. Specific options depend on the ...

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Apprentice Nuclear Engineering Technology information

What is an apprentice nuclear engineering technologist?

An Apprentice Nuclear Engineering Technologist is an entry-level professional who assists in the operation, maintenance, and troubleshooting of nuclear power plant systems and equipment. They work under the supervision of experienced technologists and engineers to learn about reactor operations, safety protocols, and regulatory compliance. Apprentices receive both classroom instruction and hands-on training to prepare for more advanced roles in the nuclear energy industry. This position is often a pathway to becoming a fully qualified Nuclear Engineering Technologist.

What are the key skills and qualifications needed to thrive as an apprentice nuclear engineering technologist?

To thrive as an Apprentice Nuclear Engineering Technologist, you need a solid understanding of physics, mathematics, and engineering principles, often backed by a relevant associate degree or vocational training. Familiarity with industry-specific tools such as radiation detection equipment, simulation software, and compliance with safety protocols is essential. Strong attention to detail, teamwork, and effective communication skills are crucial for ensuring safety and collaboration. These abilities and qualifications are vital to maintain operational integrity, adhere to strict regulatory standards, and support efficient nuclear facility operations.

What types of hands-on training and mentorship can an apprentice nuclear engineering technologist expect during their apprenticeship?

As an Apprentice Nuclear Engineering Technology, you can expect to participate in structured on-the-job training alongside experienced engineers and technicians. You’ll work under the supervision of certified professionals, learning to operate, troubleshoot, and maintain nuclear plant systems and equipment. The apprenticeship typically includes both classroom instruction and practical assignments, allowing you to apply theoretical knowledge in real-world scenarios. Mentorship is a key component, as senior staff members offer guidance, feedback, and support to help you build technical skills and develop a strong safety mindset.

What is the difference between Apprentice Nuclear Engineering Technology vs Nuclear Engineering Technician?

AspectApprentice Nuclear Engineering TechnologyNuclear Engineering Technician
CredentialsTypically enrolled in or recently completed an associate degree or technical programUsually holds an associate degree in nuclear technology or related field
Work EnvironmentOn-the-job training, supervised, often in training facilities or plantsFull-time work in nuclear power plants, laboratories, or maintenance
Job RoleLearning and assisting with nuclear systems, gaining practical experiencePerforming technical tasks, monitoring systems, and supporting operations

While Apprentice Nuclear Engineering Technology focuses on training and gaining experience, Nuclear Engineering Technicians are fully qualified professionals performing technical duties in nuclear facilities. The apprenticeship prepares individuals for a career as a technician, with a focus on learning and development.

What are the most commonly searched types of Nuclear Engineering Technology jobs in California? The most popular types of Nuclear Engineering Technology jobs in California are:
What are popular job titles related to Apprentice Nuclear Engineering Technology jobs in California? For Apprentice Nuclear Engineering Technology jobs in California, the most frequently searched job titles are:
What job categories do people searching Apprentice Nuclear Engineering Technology jobs in California look for? The top searched job categories for Apprentice Nuclear Engineering Technology jobs in California are:
What cities in California are hiring for Apprentice Nuclear Engineering Technology jobs? Cities in California with the most Apprentice Nuclear Engineering Technology job openings:
Apprentice Nuclear Engineering Technology jobs near you
Infographic showing various Apprentice Nuclear Engineering Technology job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Senior Nuclear Engineer

Antares

Los Angeles, CA • On-site

$150K - $185K/yr

Full-time

Re-posted 13 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.
Formed in 2023, the Antares team hails from SpaceX, The White House, MIT, Rigetti Computing, The Air Force, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Los Alamos, Idaho, and Oak Ridge. Antares has raised over $600M in venture capital from top-tier investors and has over $13M in government funding.
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:
  • You will develop and provide expertise in a subset of the following:
  • Lead complex neutronics modeling and Multiphysics analysis
  • Responsible nuclear engineer for design and integration of components as assigned
  • Mentor junior engineers
  • Develop and implement modeling and simulation methods and tools
  • Coordinate validation and verification activities
  • Interface directly with regulatory bodies for licensing and compliance
  • Spearhead prototype testing and experimental campaigns
  • Lead cross-disciplinary integration efforts across neutronics, thermal-hydraulics, structural mechanics, materials, and reactor operations to ensure design margins are maintained across all Figures of Merit (FOMs) and safety-critical performance metrics
  • Identify and define validation, verification, qualification, and testing requirements across engineering disciplines, including opportunities to leverage startup, commissioning, and power ascension testing data for model development and design maturation

Basic Qualifications:
  • Master's or Ph.D. in Nuclear Engineering, Physics, or related field
  • Deep experience with and understanding of MCNP, Serpent, or SCALE
  • Experience with Multiphysics simulations and methods (thermal-hydraulics, structural, heat transfer), reactor kinetics, safety analysis, or integrated systems modeling

Preferred Skills & Experience:
  • Advanced programming proficiency (Python, C++, or similar)
  • Experience designing or developing high temperature gas reactors, heat pipe cooled reactors, microreactors, TRISO fuel, or other advanced reactors
  • Strong leadership and mentorship skills
  • Demonstrated success in regulatory processes (DOE, NRC, DoD)
  • Previous experience at dynamic tech companies or startups
  • Experience with advanced reactor transient and systems analysis tools such as SAM, AGREE, PARCS, or equivalent nuclear systems codes
  • Experience with reactor commissioning, startup testing, power ascension testing, and operational readiness activities for nuclear systems
  • Deep understanding of reactor shielding design, radiation transport analysis, and variance reduction methodologies, including experience with ADVANTG, MAVRIC, Attila4MC, or equivalent tools
  • Experience performing integrated nuclear-thermal-mechanical analyses for reactor structures and components, including structural graphite, high-temperature steels, and other advanced reactor materials
  • Demonstrated ability to maintain design margins and performance requirements across coupled neutronic, thermal, mechanical, materials, and operational domains
  • Strong systems engineering mindset with the ability to work effectively across disciplinary interfaces and identify data needs for validation, verification, qualification, and licensing activities
  • Experience planning and executing experimental programs to generate qualification data, including leveraging commissioning and power ascension campaigns to supplement analytical and modeling efforts
  • Understanding of fuel and materials irradiation effects, in-pile testing methodologies, and qualification approaches for advanced reactor systems and components
  • Experience developing qualification strategies for reactor components, fuels, and materials through a combination of analysis, testing, irradiation campaigns, and operational data collection

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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