GNC Engineer — Flight Control & Guidance Systems

Castelion Corporation; Torrance (CA); On-site; USD 130,000 - 190,000; Full time

Job summary

Castelion is seeking a GNC Engineer in Torrance, CA to develop algorithms and software for guidance, navigation, and control of advanced vehicles. You will work across flight controls, guidance, navigation, and high-fidelity simulation to tackle challenging problems in high-speed flight.

This role offers broad ownership, hands-on development from analysis to flight testing, and collaboration with multidisciplinary teams to directly impact vehicle performance.

Qualifications

• Bachelor's degree in Aerospace Engineering, Mechanical, Electrical, or Computer Engineering.
• Familiarity with aerodynamics, flight dynamics, and rigid-body dynamics.
• Strong fundamentals in dynamics, controls, estimation, numerical methods, or simulation.
• Strong programming skills in Rust, C/C++, Python, Julia, or a similar language.
• Ability to communicate technical results clearly and work effectively with multidisciplinary engineering teams.

Responsibilities

• Develop and tune flight control algorithms for stability and performance across a challenging flight envelope.
• Develop guidance algorithms for trajectory shaping and mission execution.
• Develop navigation and state estimation algorithms.
• Model and analyze actuation systems, including aerodynamic control surfaces and electromechanical actuators.
• Build and improve high-fidelity 6-DOF simulations of vehicle flight.
• Model vehicle dynamics, aerodynamics, propulsion, sensors, actuators, and environmental effects.
• Implement and test GNC algorithms in flight software.
• Support Monte Carlo, SITL, and HITL test environments.
• Support vehicle sizing, performance analysis, and hardware requirements.
• Support flight test planning, prediction, execution, and post-flight analysis.
• Use simulation, hardware, and flight data to improve models and vehicle performance.

Skills

Flight controls

Guidance algorithms

Navigation algorithms

State estimation

Vehicle simulation

Real-time software

C/C++

Python

Rust

Aerospace engineering

Education

Bachelor's degree in Aerospace Engineering

Tools

SITL

HITL

Real-time software

Job description

Castelion is seeking a GNC Engineer in Torrance, CA to develop algorithms and software for guidance, navigation, and control of advanced vehicles. You will work across flight controls, guidance, navigation, and high-fidelity simulation to tackle challenging problems in high-speed flight.

This role offers broad ownership, hands-on development from analysis to flight testing, and collaboration with multidisciplinary teams to directly impact vehicle performance.