Senior Simulation Software Engineer, GNC

Castelion Corporation
Torrance, CA
Job Description
Castelion is a defense development company that designs, builds, and tests next-generation long-range strike weapons systems. We're looking for a Senior Simulation Software Engineer to design, develop, and maintain high-fidelity simulation software supporting missile guidance, navigation, and control (GNC) development.

Requirements

  • Develop and maintain a 6-DoF missile simulation software platform.
  • Build scalable infrastructure to execute, manage, and aggregate data from Monte Carlo campaigns, along with automated performance evaluation tools.
  • Ensure appropriate configuration management and shared sources of truth between simulation and flight code.
  • Optimize software for real-time or hardware-in-the-loop (HITL) execution where required.
  • Develop robust testing, verification, and documentation practices to ensure reliability and correctness.
  • Support flight software integration, pre-flight analysis, and post-flight reconstruction.

Benefits

  • Comprehensive medical, vision, and dental insurance
  • Four weeks of paid time off per year
  • Long-term stock incentives
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