Senior Simulation Software Engineer, GNC (Aerospace)

Location: Torrance, California, United States

Company

Develops and delivers advanced defense systems, including missile technologies and related flight software.

What you will do

• Develop and maintain a 6-DoF missile simulation software platform.
• Build scalable infrastructure for Monte Carlo campaigns, data aggregation, and automated performance evaluation.
• Maintain configuration management and shared sources of truth between simulation and flight code.
• Optimize simulations for real-time and hardware-in-the-loop execution.
• Develop testing, verification, documentation, and reliability practices.
• Support flight software integration, pre-flight analysis, and post-flight reconstruction.

Requirements

• 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.
• Familiarity with version control, CI/CD pipelines, modern software engineering practices, and GNC concepts in aerospace or missile systems.
• Access to export-controlled information may require U.S. Government authorization, security clearance, citizenship, or other eligibility requirements.

Nice to have

• Experience with missile dynamics, aerodynamics, propulsion, sensor, or actuator modeling.
• Background in Monte Carlo simulation pipelines and statistical analysis.
• Experience with hardware-in-the-loop, real-time simulation, or embedded flight software environments.
• Experience designing APIs or internal tools for engineering teams.

Culture & Benefits

• Early-stage environment with significant ownership and direct impact on defense systems.
• Collaboration with GNC algorithm developers, flight software engineers, and test teams.
• Long-term stock incentives.
• Comprehensive medical, vision, and dental insurance.
• Four weeks of paid time off per year.