Top 8 Nuclear engineer Jobs in Kearny, Nj

Computational Nuclear Engineer
Thea Energy —Kearny, NJ
- $120,000 - $180,000 a year
- Full-time
- Master's degree
- Doctor of Philosophy
- Software development
- Health insurance
- Dental insurance
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2d
Director - Nuclear Engineering
Thea Energy —Kearny, NJ
- $160,000 - $230,000 a year
- Full-time
- 11+ years
- Analysis skills
- Doctor of Philosophy
- Health insurance
- Dental insurance
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Mechanical Engineer
Katalyst Healthcares & Life Sciences —Avenel, NJ
- Contract
- 7 years
- Bachelor of Science
- Senior level
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I&C Engineer
Alva Energy, Inc —New York, NY
- $100,000 - $180,000 a year
- Full-time
- Hybrid work
- 3 years
- Assembly
- Travel
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Senior Nuclear Medicine Specialist (ARRT licensure or NMTCB) - Biomedical Engineering and Imaging Institute
Mount Sinai Health System —New York, NY
- Full-time
- Surgery
- Research
- Bachelor's degree
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Military Service - U.S. Navy, Nuclear Engineer
U.S. Navy —United States
- $98,500 - $118,000 a year
- Full-time
- Background check
- Engineering
- Office
- Loan repayment program
- Health insurance

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Computational Nuclear Engineer

Thea Energy
Kearny, NJ

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Job Details

Full-time
$120,000 - $180,000 a year
2 days ago

Benefits

Stock options
Health insurance
Dental insurance
Paid time off
Vision insurance

Qualifications

AI models
Monte Carlo methods
Thermal analysis
Software engineering
Computational research
Applied Mathematics
Scientific publications
High-performance computing clusters
Monte Carlo simulation
Nuclear research and development projects
Technical report writing
Scientific research papers
Master's degree
Thermal hydraulics
Programming languages
Machine intelligence
Doctor of Philosophy
Geometry
Engineering research
Design engineering
Physics
Software development
GitHub
Research data analysis
Managing projects
Machine learning (ML) fundamentals
Senior level
Nuclear Engineering
AI
2 years

Full Job Description

About Thea Energy:

Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer-controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero emission energy for a sustainable future.

Position Overview:

We are seeking a highly motivated Computational Nuclear Engineer to join our team, focusing on neutronics and multiphysics simulations for stellarator fusion systems. The ideal candidate will possess a strong background in computational transport methods, with a particular emphasis on multiphysics reactor design, dose rate calculations, and radiation shielding optimization. You will work with minimal supervision, contributing to cutting-edge research and development to ensure the safety and performance of Thea Energy’s stellarator systems.

Key Responsibility Areas:

Develop and implement advanced workflows for high-fidelity neutronics and related multiphysics simulations in complex 3D stellarator geometries.
Conduct simulations of fusion blanket performance, including tritium breeding ratios (TBR), energy deposition, material activation, radiation shielding, and more.
Collaborate with cross-disciplinary teams to perform multiphysics coupling (e.g., neutronics to thermal-hydraulics or structural analysis) to refine reactor designs.
Perform dose rate calculations and design optimized shielding solutions for personnel and sensitive equipment.
Prepare technical reports, presentations, and publications based on simulation results and optimization findings.

Ideal Experience & Skillsets:

PhD in Nuclear Engineering, Computational Physics, Applied Physics, or a related field with 2+ years of experience; or a Master’s degree in a relevant field with 4+ years of experience.
Strong knowledge of Monte Carlo radiation transport codes (e.g., OpenMC, MCNP, Serpent).
Proficiency in programming languages commonly used in scientific computing, specifically Python and C++.
Proficiency in modern scientific software development best-practices (e.g. git, GitHub, CI)
Experience in multiphysics coupling frameworks (e.g., MOOSE, Cardinal, NekRS).
Excellent analytical, problem-solving, and communication skills.

Preferred Skills:

Experience with nuclear data processing and libraries (e.g., NJOY). Experience with deterministic neutron transport solvers (e.g. Atilla, OpenSN)
Familiarity with High-Performance Computing (HPC) environments and parallel programming (MPI/OpenMP).
Background in applying machine learning techniques to optimize nuclear simulation results or data handling.
Understanding of fusion-specific nuclear challenges, such as first-wall material damage and tritium fuel cycle management.

Personal Attributes:

Ability to work independently and manage projects with minimal supervision in a startup environment.
Strong attention to detail and a passion for advancing the field of fusion energy research.
Willingness to collaborate with a diverse team of scientists and engineers within the company and externally.
Persistent optimism and a willingness to take on tough challenges.
Excited to think creatively about solutions to difficult problems and not relying solely on what has been done before.

Company Benefits:

Salary range: $120,000-$180,000
Comprehensive health benefits (e.g. medical/dental/vision)
Employee equity stock options
20 days PTO

It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy.

Diversity and Inclusion:

Thea Energy is an equal opportunity employer committed to creating a company of diverse backgrounds. By creating a diverse environment, we will bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or other characteristic protected by applicable laws and regulations.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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nuclear engineer jobs in kearny, nj

Computational Nuclear Engineer

Director - Nuclear Engineering

Mechanical Engineer

I&C Engineer

Senior Nuclear Medicine Specialist (ARRT licensure or NMTCB) - Biomedical Engineering and Imaging Institute

Military Service - U.S. Navy, Nuclear Engineer

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