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Mcnp Jobs (NOW HIRING)

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

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, or SCALE * Support Multiphysics analyses (thermal-hydraulics, heat transfer, structural mechanics)

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

System One

Radiological Engineer

Corvallis, OR · Remote

Perform radiological engineering calculations and analyses using industry-standard software including SCALE 6, MCNP, ADVANTG, RADTRAD, and NRCDose . * Develop technical analyses supporting nuclear ...

Oklo

Neutronics Analysis Engineer

Santa Clara, CA · On-site

  • Medical

  • Retirement

  • PTO

Perform calculations and analyses in Monte Carlo based codes such as Serpent, MCNP, SCALE, and OpenMC. * Perform calculations and analyses with fast reactor deterministic codes such as DIF3D, PERSENT.

Oklo

Shielding Analysis Engineer

Santa Clara, CA · On-site

  • Medical

  • Retirement

Perform calculations and analyses in Monte Carlo based radiation transport codes such as MCNP, SCALE, OpenMC, and Serpent. * Perform source term, activation, streaming, skyshine, and dose-rate ...

Oklo

Shielding Analysis Engineer

Santa Clara, CA · On-site +1

  • Medical

  • Retirement

Perform calculations and analyses in Monte Carlo based radiation transport codes such as MCNP, SCALE, OpenMC, and Serpent. * Perform source term, activation, streaming, skyshine, and dose-rate ...

Oklo

Neutronics Analysis Engineer

Santa Clara, CA · On-site +1

  • Medical

  • Retirement

  • PTO

Perform calculations and analyses in Monte Carlo based codes such as Serpent, MCNP, SCALE, and OpenMC. * Perform calculations and analyses with fast reactor deterministic codes such as DIF3D, PERSENT.

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How much do mcnp jobs pay per year?

As of Aug 13, 2026, the average yearly pay for mcnp in the United States is $145,640.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,500.00 and $167,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the MCNP position, and why are they important?

To thrive as an MCNP (Monte Carlo N-Particle) specialist, you need a strong background in nuclear engineering, physics, or a related field, with proficiency in computational modeling and radiation transport analysis. Experience with the MCNP software package, related simulation tools, and relevant certifications such as nuclear safety or reactor physics are highly valued. Analytical thinking, problem-solving abilities, and effective communication skills help you excel in interdisciplinary project teams. These skills are crucial for ensuring accurate simulations, maintaining safety standards, and providing critical insights in research or industry settings.

What typical projects or responsibilities can an MCNP specialist expect in their daily work?

As an MCNP specialist, your daily responsibilities generally include developing and running simulation models for radiation transport, analyzing results, and preparing detailed technical reports for project stakeholders. You'll often collaborate closely with physicists, engineers, and safety personnel to ensure that models accurately reflect physical systems and regulatory requirements. Projects may range from reactor core design and shielding analysis to medical physics applications or nuclear nonproliferation studies. The role typically involves both independent computational work and team-based problem-solving, ensuring diverse and engaging workdays.

What is an MCNP?

An MCNP job typically involves working with the Monte Carlo N-Particle (MCNP) transport code, a software tool used for simulating nuclear processes such as radiation shielding, reactor design, and dosimetry. Professionals in this role may include nuclear engineers, health physicists, and radiation safety specialists who use MCNP for modeling neutron, photon, and electron transport. The job often requires strong skills in computational physics, scripting, and data analysis, along with knowledge of nuclear physics principles.

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Mcnp jobs near you
Infographic showing various Mcnp job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 92% Full Time, 2% Part Time, and 5% Contract. Highlights an 90% Physical, 6% Hybrid, and 4% Remote job distribution, with an average salary of $145,640 per year, or $70 per hour.

Research Engineer 2 - On Call

University of New Mexico

Albuquerque, NM • On-site

Full-time

Re-posted 17 days ago

University Of New Mexico rating

8.4

Company rating: 8.4 out of 10

Based on 55 frontline employees who took The Breakroom Quiz

99th of 618 rated colleges and universities

Job description

This project will design and conduct neutron irradiation experiments at the AGN-201M nuclear reactor.  This work will entail modeling these experiments using the MCNP radiation transport code, predicting the irradiated materials activation and induced scattering reactions, and conducting these experimental measurements.

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