Software Engineering Manager - Simulation

Radiant
Any Location, CA
Job Description
Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. The company is seeking a Software Engineering Manager for Simulation to build and lead the engineering team responsible for reactor physics modeling, thermal-hydraulics simulations, and Digital Twin development.

Requirements

  • 7+ years of professional software engineering experience with significant depth in simulation, scientific computing, or physics-based modeling
  • 2+ years of people management experience leading engineering teams
  • Strong technical background in programming languages such as Python, Rust, C#, or C/C++, with the ability to review code and guide architectural decisions
  • Experience building and scaling highly technical engineering teams
  • Familiarity with simulation tools, physics-based modeling, numerical methods, or computational science sufficient to guide technical strategy
  • Familiarity with numerical solvers, visualization frameworks, and automated testing approaches for scientific software
  • Strong foundation in software engineering best practices, including version control, code review, and CI/CD pipelines
  • Proven ability to balance hands-on technical contributions with team leadership and people development
  • Bachelor's degree in physics, mechanical engineering, computer science, or a similar field, or equivalent experience

Benefits

  • Stock: Substantial incentive stock plan for all full-time employees
  • Medical: 100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available
  • One Medical: Sponsored memberships for eligible employees and their dependents
  • Vision: 100% premium coverage for top tier plan + 50% for dependents
  • Dental: 100% premium coverage for top tier plan (including orthodontia) + 50% for dependents
  • 8-weeks of paid parental leave for all parents
  • Flexible PTO policy. Remote workday allocation
  • Daily catered lunch. Free snacks and drinks
  • Company and team-bonding events, happy hours and in-person camaraderie
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