Senior Software Engineer, Radiant Nuclear

Salary not provided

Substantial incentive stock plan for all full time, salaried employees

Docker

Python

C++

Git

Senior and Expert level

Los Angeles

5+ days a week in office (El Segundo, CA)

Making nuclear power portable

Be an early applicant

Making nuclear power portable

101-200 employees

B2BEnergySustainabilityManufacturing

Be an early applicant

Salary not provided

Substantial incentive stock plan for all full time, salaried employees

Docker

Python

C++

Git

Senior and Expert level

Los Angeles

5+ days a week in office (El Segundo, CA)

101-200 employees

B2BEnergySustainabilityManufacturing

Company mission

To bring one of the world's first factory-constructed microreactors to market.

Job

Company

Role

Who you are

Bachelor’s degree in computer science or engineering
5+ years of professional experience in Python, C++, C#, or similar object-oriented programming languages
Familiarity with Git, Docker, and common CI/CD frameworks
Must be willing to work extended hours and weekends as necessary to achieve company goals
Must work 100% onsite at El Segundo HQ

Desirable

Highly self-motivated with strong communication skills
Experience writing or contributing to simulation tools
Experience testing software and hardware systems
Experience with distributed software development and familiarity with common design patterns
Interest in physics, hardware and electrical engineering

What the job involves

Radiant is seeking a driven Senior Software Engineer to work on simulation and analysis. In this role, you will collaborate with the Digital Twin team to improve simulation performance, build data analysis tools, and automate test suites for software verification
You will have an opportunity to work in an interdisciplinary environment with a high degree of ownership and drive milestones forward to unlock commercialization of the first mass-produced nuclear reactor
Design and implement features in our simulation stack to provide an exceptional developer experience for internal users
Own simulation automation and runtime performance to enable efficient and compliant safety analysis
Collaborate across teams to streamline Digital Twin implementation workflow
Define, develop, and maintain various mission-critical internal tools

Our take

To support the clean energy revolution, Radiant Nuclear is developing a portable, containerized nuclear microreactor. Once launched, it will have the potential to provide power to remote parts of the world or act as a backup supply to vital infrastructure such as hospitals and data centers.

Typically, these backup systems are powered by diesel generators - making them extremely bad for the environment. Radiant's microreactors could allow the replacement of these generators whilst supplying the same critical asset support, enabling a substantial reduction in carbon footprint.

Having completed the design phase of the project, Radiant has taken a step closer towards realizing its microreactor (known as Kaleidos). The company intends to test a prototype as early as mid-2026 and has secured considerable funding to support its work towards that goal.

Kirsty

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 5 rounds)

Nov 2024

$100m

SERIES C

Dec 2023

$3.8m

GRANT

Total funding: $155.7m

Company benefits

Equity: Substantial incentive stock plan for all salaried employees
Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans
Vision: 100% coverage + 50% for dependents
Dental: 100% coverage, orthodontia extra, 50% for dependent
Flexible PTO policy
Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits
Team-bonding company outings, happy hours and in-person camaraderie
Beautiful El Segundo headquarters close to the Pacific Ocean

Company HQ

El Segundo, CA

Leadership

Doug Bernauer

(CEO)

Previously Senior Avionics Systems Engineer at Space Exploration Technologies and Applications Engineer at Rockwell Automation.

Victoria (Baggio) S.

(COO)

Began at the company as Head of Operations before becoming COO. Previously a Consultant at Happy Returns by PayPal and Director of Customer Service at McMaster-Carr.

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