Senior GNC Engineer - Hypersonic Flight Autopilot Equity

Castelion Corporation; Rio Rancho (NM); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Equity participation

Paid time off ( PTO ) 4 weeks

10 company-paid holidays

Health benefits

Parental leave

Fitness stipend

Onsite EV charging

Catered meals

Job summary

Castelion is seeking a Senior GNC Engineer to design and validate guidance, navigation, and control solutions for high-speed hypersonic flight vehicles. You will work with multidisciplinary teams to implement autopilot algorithms in a hardware-driven environment and translate analysis into real-world performance.

Responsibilities include developing and testing control strategies, conducting 3DOF/6DOF modeling, contributing to HIL and flight tests, and mentoring junior engineers while aligning

Qualifications

• Bachelor's/Master's/PhD in Aerospace or Electrical Engineering.
• 5+ years of experience in control system design for aerospace or high-performance dynamic systems.
• Strong background in classical and modern control theory (adaptive, nonlinear, robust).
• Experience developing autopilot algorithms for missiles, rockets, hypersonic vehicles, or similar systems.

Responsibilities

• Design and develop flight control and autopilot algorithms for high-speed flight vehicles across atmospheric and exo-atmospheric regimes.
• Develop advanced control strategies to ensure performance under uncertain and dynamic conditions.
• Conduct modeling, simulation, and 3DOF/6DOF analysis to evaluate stability and robustness.
• Work with avionics, flight sciences, and software teams to integrate control into real-time embedded systems.
• Support HIL testing, flight testing, and post-flight analysis for system improvements.
• Mentor junior engineers and contribute to GNC best practices.
• Partner with program leadership on technical trades aligned with mission success.

Skills

Control theory

Problem solving

Fast-paced environment

Team collaboration

Education

Bachelors/Masters/PhD in Aerospace or Electrical Engineering

Tools

MATLAB/Simulink

Job description

Castelion is seeking a Senior GNC Engineer to design and validate guidance, navigation, and control solutions for high-speed hypersonic flight vehicles. You will work with multidisciplinary teams to implement autopilot algorithms in a hardware-driven environment and translate analysis into real-world performance.

Responsibilities include developing and testing control strategies, conducting 3DOF/6DOF modeling, contributing to HIL and flight tests, and mentoring junior engineers while aligning