Castelion
Senior Simulation Software Engineer, GNC
Torrance, CA +1 · Senior · Full-time · Posted Sep 21, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Education
- Bachelor’s or Master’s degree in computer engineering, computer science, aerospace engineering, or a related field.
- Visa sponsorship
- Employment is contingent on the candidate’s ability to access applicable export-controlled information without additional export licensing. The role may require a security clearance or other government authorization and may have citizenship or other eligibility requirements if designated; candidates will be notified if these requirements apply.
About the job
Designs and maintains high-fidelity simulation software for missile guidance, navigation, and control development, supporting analysis, integration, and testing.
What you'll do
- Develop and maintain a 6-DoF missile simulation platform and tools for Monte Carlo campaigns and performance evaluation.
- Coordinate configuration and shared code sources between simulation and flight software; optimize for real-time or hardware-in-the-loop execution.
- Support testing, verification, documentation, flight-software integration, and pre- and post-flight analysis.
What they ask for
- Bachelor’s or Master’s degree in computer engineering, computer science, aerospace engineering, or a related field.
- Strong proficiency in C++ or Rust for high-performance numerical modeling; proficiency with databases and large data structures.
- Experience with numerical integration, coordinate transformations, simulation architecture, and software integration across modules.
- Familiarity with version control, CI/CD pipelines, modern software engineering practices, and aerospace or missile GNC concepts.
Nice to have
- Experience with missile dynamics, aerodynamics, or propulsion modeling; Monte Carlo simulation and statistical analysis.
- Experience with hardware-in-the-loop or real-time simulation, sensor or actuator modeling, or integrating simulations with GNC or embedded flight software.
Tools
C++, Rust, Python
Model-written summary · the original posting is authoritative