Summer 2026 Internship - Software Engineering at Radiant

El Segundo, California, United States

Radiant Logo
Not SpecifiedCompensation
InternshipExperience Level
InternshipJob Type
UnknownVisa
Nuclear EnergyIndustries

Requirements

  • Currently pursuing a degree in computer science, physics, or a related technical discipline
  • Familiarity with Python, C++, C#, or similar object-oriented programming languages
  • Basic knowledge of software development practices and version control tools such as Git

Responsibilities

  • Assist in creating tooling to support a variety of simulation software packages
  • Contribute to internal software products that support simulation and analysis of simulation results

Skills

Python
C++
C#
Git

Radiant

Develops compact nuclear microreactors for energy

About Radiant

Radiant Nuclear develops compact nuclear microreactors aimed at providing reliable and sustainable energy solutions, especially for remote locations and military applications. Their main product, the Kaleidos microreactor, utilizes a CO2 cycle for energy production, allowing for a smaller and more portable reactor that can be deployed in challenging environments. Radiant differentiates itself from competitors by leveraging expertise from veterans of SpaceX and other high-tech industries, focusing on advanced technology in the nuclear energy market. The company's goal is to transform the nuclear energy sector by commercializing its microreactor technology and securing government contracts, such as those with the Department of Defense, while also seeking partnerships with private sector companies to enhance growth.

El Segundo, CaliforniaHeadquarters
2019Year Founded
$151.5MTotal Funding
SERIES_CCompany Stage
Government & Public Sector, EnergyIndustries
51-200Employees

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Stock Options
Unlimited Paid Time Off
One Medical

Risks

Public opposition to nuclear energy may hinder Radiant's market acceptance.
Regulatory delays from the Nuclear Regulatory Commission could impact Radiant's timelines.
Competition from cheaper solar and wind technologies may affect Radiant's market share.

Differentiation

Radiant's Kaleidos microreactor offers zero-emissions power for remote and critical applications.
The company leverages expertise from SpaceX veterans for advanced nuclear technology development.
Radiant's CO2 cycle technology enables compact, efficient, and portable nuclear power solutions.

Upsides

Radiant raised $100M in Series C funding to develop commercial microreactors.
The U.S. Department of Defense awarded Radiant $3.8M for turbomachinery development.
Growing demand for sustainable energy in data centers boosts Radiant's market potential.

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