Senior Software Engineer

Radiant, an innovative clean energy startup in El Segundo, CA, is revolutionizing the power generation industry with their nuclear microreactor project. They're developing Kaleidos, a 1MW portable zero-emissions power source, aiming to be the first new commercial reactor design tested in over 50 years. As a Senior Software Engineer, you'll join their Digital Twin team, focusing on simulation and analysis tools critical to the reactor's development. This role combines software engineering excellence with real-world impact, working on mission-critical systems that will help bring clean energy to remote locations and provide backup power for essential services.

The position requires expertise in Python, C++, or similar languages, with a focus on simulation tools and performance optimization. You'll be responsible for designing and implementing features in the simulation stack, managing automation, and ensuring efficient safety analysis processes. The role offers substantial ownership and the opportunity to work in an interdisciplinary environment, directly contributing to the commercialization of groundbreaking nuclear technology.

The company offers an attractive benefits package including equity, comprehensive healthcare, and flexible PTO. This is an in-person role at their El Segundo headquarters, requiring occasional extended hours to meet project milestones. The ideal candidate will combine strong technical skills with an interest in physics and hardware engineering, ready to contribute to a mission that could revolutionize clean energy accessibility worldwide.