Simulation Tools Engineer — Build Next-Gen Nuclear Software

Decisive Point; El Segundo (CA); On-site; USD 90,000 - 125,000; Full time

Benefits offered by this job

Stock plan

Health insurance

One Medical

Vision plan

Dental plan

Parental leave

Lunch provided

Flexible PTO

Team events

HQ near ocean

Job summary

Radiant, an El Segundo, CA-based startup, is building portable nuclear microreactors. The role focuses on creating tooling for simulation software and contributing to internal tools that analyze simulation results. You will work with Python, C++, or C# in a collaborative team environment.

The company offers strong health benefits, equity, and an inclusive, fast-paced culture close to the Pacific Ocean.

Qualifications

• BS or MS in Software Engineering, Controls Systems Engineering, or a related discipline.
• Graduating in December 2026 or Spring 2027.
• 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#

Object-oriented programming

Git

Education

Software engineering

Controls systems engineering

Job description

Radiant, an El Segundo, CA-based startup, is building portable nuclear microreactors. The role focuses on creating tooling for simulation software and contributing to internal tools that analyze simulation results. You will work with Python, C++, or C# in a collaborative team environment.

The company offers strong health benefits, equity, and an inclusive, fast-paced culture close to the Pacific Ocean.