Summer 2026 Internship - Software Engineering
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.1
Reclaim your time by letting our AI handle the grunt work of job searching.
We continuously scan millions of openings to find your top matches.

Job Description
Software Engineering Internship
Radiant is seeking a motivated Software Engineering Intern with a strong computer science foundation to join our team. As an intern, you will work alongside mechanical, electrical, and nuclear engineers to assist in developing software tools that support simulation and analysis for reactor design, development, and safety analysis. This is an excellent opportunity to gain hands-on software development experience in a highly interdisciplinary environment.
Please note: we plan to begin interviewing for Summer 2026 internships in November/December.
Responsibilities and Duties:
- 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.
Required Qualifications and Skills:
- 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.
Desired Qualifications and Skills:
- Strong self-motivation and the ability to collaborate effectively in a team environment.
- Interest in contributing to simulation tools or working on software testing.
- Familiarity with distributed software development and common design patterns is a plus.
- A passion for physics, hardware, or electrical engineering is highly encouraged.
Additional Information:
- This internship will require working onsite at our El Segundo HQ.
- You may be asked to work extended hours or weekends occasionally to support project goals.
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.
