Senior GNC Engineer designing and implementing advanced control systems for operational launch vehicles at Firefly Aerospace. Collaborating with multidisciplinary teams in a fast-paced operational environment.
Responsibilities
Design, analyze, and tune launch vehicle attitude control software to ensure stable flight from launch to orbit
Implement control techniques for mission-critical flight phases using thrust vector control actuators, reaction control thrusters, and aerodynamic surfaces
Develop control systems accounting for complex launch vehicle dynamics including aerodynamic effects, structural flex modes, propellant slosh, and control structure interaction
Establish technical standards and validation methodologies for control system design, software development, and hardware-in-the-loop testing
Conduct stability analysis, sensitivity studies, and performance optimization for control systems under nominal and off-nominal flight conditions
Support hardware-in-the-loop test campaigns for integrated GNC systems including control algorithm validation, flight software verification, and system-level performance testing
Drive resolution of complex GNC challenges requiring deep technical expertise and rapid problem-solving
Provide technical direction on system architecture and serve as subject matter expert for launch vehicle control
Mentor junior engineers in control theory and flight software development
Author technical documentation and analysis reports that communicate GNC concepts and results to diverse audiences
Interface with cross-discipline teams to integrate control software with vehicle hardware
Serve as a GNC console operator for launch operations and perform post-flight analysis to improve vehicle models
Champion continuous improvement initiatives for GNC processes, tools, and operational efficiency
Requirements
Bachelor's degree in aerospace engineering, mechanical engineering, electrical engineering, computer science, or related field
5-10 years of experience in launch vehicle GNC systems with significant depth in attitude control system design or flight software development
Advanced knowledge of attitude dynamics and control theory, including rotational dynamics, attitude representations, control moment generation, and stability analysis
Strong understanding of classical control theory and frequency domain analysis techniques
Expertise in real-time software development using C++ for flight-critical applications
Experience developing high-fidelity actuator models and attitude control system testbeds
Proficiency in hardware-in-the-loop testing and requirement verification for flight-critical systems
Understanding of software development best practices including version control (Git), code documentation, and testing
Excellent communication and presentation skills
Benefits
generous health, dental and vision plans with low plan deductibles
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