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# GNC SW Development Engineer

- **Company:** STRUCTURES COMPANY LLC
- **Location:** Tustin, CA, United States
- **Experience:** Expert
- **Salary:** $176,800 - $208,000
- **Contract:** Temporary to permanent
- **Skills:** Computer Programming, Embedded C, MATLAB, Simulink, Software Engineering, Software Requirements Analysis, Model-Driven Development, Git
- **Published:** November 11, 2026
- **Apply:** https://www.careerbuilder.com/job-details/gnc-sw-development-engineer-tustin-ca--bd603aed-f06c-49b9-bffa-361b818e82bc

## About the Role

Software Development, Software Engineering, Software Development, Software Engineering, Aerospace and Defense, Recruiting/Staffing Agency, United States Citizen, Regulations, Testing, Analysis Skills, * Must be a U.S. Person (as defined by ITAR).

 * 8+ years of experience and a B.S. or M.S. in Mechanical, Aerospace, or Electrical Engineering from an accredited university.
 * 5+ years of experience with aerospace vehicle control systems and simulation.
 * Strong experience in GNC (Guidance, Navigation & Control) with hands-on experience in flight control systems.
 * Strong understanding of fixed-wing aircraft dynamics.
 * Experience in 6DOF simulation and aircraft modeling.
 * Hands-on experience with MATLAB and Simulink in model-based design of safety-critical code.
 * Familiarity with aerospace standards such as MIL-STD-1797B and SAE AS-94900.
 * Familiarity with embedded C programming and Git version control.
 * Experience modeling actuators, controllers, electrical systems, and 6DOF dynamics., Must be a U.S. Person (U.S. citizen, lawful permanent resident, or protected individual under 8 U.S.C. 1324b(a)(3)) to comply with ITAR regulations.

Keywords: aerospace, aviation, engineering, maintenance, aircraft design, defense

## Description

* Participates in test planning, sim evaluation, and analysis of handling qualities for Spaceship.
 * Designs stability augmentation control systems for Spaceship and next-generation Launch Vehicle primary flight controls.
 * Supports flight test in the mission control center and analyzes flight data.
 * Reviews peer work for quality control and early defect detection.
 * Performs system identification of aircraft systems to improve simulator accuracy.
 * Develops flight control software requirements, Simulink implementation, and tests.
 * Diagnoses and resolves simulation issues across aerodynamics, mass properties, flight controls, and interfaces.
 * Applies 6DOF simulation and aircraft modeling to flight control development.
 * Applies Model-Based Design for safety-critical code development.
 * Applies classical and modern control theory to aerospace vehicle control systems.