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Nuclear Simulator Jobs in California (NOW HIRING)

Antaresindustries

Nuclear Engineer I/II

Los Angeles, CA · On-site

$120 - $165/hr

Roles and Responsibilities * Assist with neutronics modeling and simulations using MCNP, Serpent ... Bachelor's degree in Nuclear Engineering or related technical field * Familiarity with neutron ...

Fuse

Nuclear Engineer

San Leandro, CA · On-site

$111K - $133K/yr

We are seeking a Nuclear Engineer with expertise in particle transportation, Monte Carlo simulation, and radiation shielding to support our fusion facility. The ideal candidate will have a strong ...

Radiant

Lead Nuclear Engineer

El Segundo, CA · On-site

$140K - $237K/yr

Deep knowledge of neutron transport and Monte Carlo simulation theory. * 1+ year managing direct reports. Desired Qualifications & Skills: * Master's or PhD in nuclear engineering or equivalent ...

Radiant Industries

Lead Nuclear Engineer

El Segundo, CA · On-site

$140K - $237K/yr

Deep knowledge of neutron transport and Monte Carlo simulation theory. * 1+ year managing direct reports. Desired Qualifications & Skills: * Master's or PhD in nuclear engineering or equivalent ...

General Matter

Simulation Software Engineer

Los Angeles, CA · On-site

$100K - $200K/yr

Our mission is to make nuclear not only the cleanest and safest source of baseload power, but also ... Simulation Software Engineer *]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px ...

Antares

Nuclear Engineer I/II

Los Angeles, CA · On-site

$120K - $160K/yr

Participate in experimental validation of simulation results * Collaborate with senior engineers on ... Bachelor's degree in Nuclear Engineering or related technical field * Familiarity with neutron ...

City of Hope

Nuclear Medicine Technologist I

Duarte, CA · On-site

$65.24/hr

Perform simulation procedures as prescribed by physician and assist in dosimetry procedures ... Graduation from an accredited Nuclear Medicine Program * New Graduates accepted * California State ...

Cantos Ventures

Lead Nuclear Engineer

El Segundo, CA · On-site

$180 - $250/hr

Deep knowledge of neutron transport and Monte Carlo simulation theory. * 1+ year managing direct reports. Desired Qualifications & Skills: * Master's or PhD in nuclear engineering or equivalent ...

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Nuclear Simulator information

What are the typical responsibilities of a nuclear simulator?

A Nuclear Simulator is primarily responsible for operating and maintaining full-scope or partial-scope reactor simulators used for training power plant operators. This includes developing and running simulation scenarios, troubleshooting simulator issues, and ensuring the training environment closely mirrors real operating conditions. The role often involves close collaboration with instructors, operations staff, and nuclear engineers to tailor training to regulatory requirements and operational needs. Daily tasks can range from technical updates and scenario programming to providing real-time support during operator evaluations. This hands-on position is essential for maintaining the safety and effectiveness of nuclear facility operations.

What are the key skills and qualifications needed to thrive as a nuclear simulator?

To thrive as a Nuclear Simulator, you need a strong foundation in nuclear engineering principles, reactor operations, and safety protocols, often supported by a relevant degree and experience in power plant environments. Familiarity with advanced simulation software, control room interfaces, and, in some cases, NRC reactor operator certification is essential. Excellent problem-solving abilities, attention to detail, and effective communication skills are highly valued in this role. These competencies are critical for ensuring accurate training scenarios, maintaining operational safety, and supporting the ongoing qualification of nuclear plant staff.

What is a nuclear simulator?

A Nuclear Simulator job involves developing, operating, and maintaining simulation software and hardware that replicate nuclear reactor operations for training and analysis. These simulators help train plant operators, test procedures, and improve safety protocols without impacting real-world reactor operations. Professionals in this role typically have expertise in nuclear engineering, computer modeling, and control systems.

What are popular job titles related to Nuclear Simulator jobs in California? For Nuclear Simulator jobs in California, the most frequently searched job titles are:
What job categories do people searching Nuclear Simulator jobs in California look for? The top searched job categories for Nuclear Simulator jobs in California are:
Nuclear Simulator jobs near you
Infographic showing various Nuclear Simulator job openings in California as of August 2026, with employment types broken down into 77% Full Time, 15% Part Time, and 8% Contract. Highlights an 96% In-person, and 4% Remote job distribution.

Nuclear Engineer I/II

Antaresindustries

Los Angeles, CA • On-site

$120 - $165/hr

Other

Posted 4 days ago

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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