Senior GNC Engineer – Navigation & Sensor Fusion (GPS-Denied)

STEM Boomerang; Rio Rancho (NM); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Equity for all full-time employees

4 weeks paid time off

Medical: 100% employee coverage

Dental & Vision: 90% employee coverage

FSA/HSA options

401k plan

Paid parental leave: up to 10 weeks

Onsite EV charging

Job summary

Castelion is seeking a Senior GNC Engineer to develop advanced navigation solutions for long-range hypersonic strike vehicles. You will design, analyze, implement, and validate multi-sensor navigation algorithms, including star-tracker-based navigation, in a fast-paced, hardware-driven setting.

The role focuses on precise state estimation across mission phases, including GPS-denied environments, with collaboration across multidisciplinary teams and real-time embedded systems.

Qualifications

• Bachelor's, Master's, or PhD in Aerospace, Electrical, or related field.
• 5+ years in navigation algorithm development, analysis, and validation for aerospace or high-performance dynamic systems.
• Strong background in estimation theory, including EKF and multi-sensor fusion.
• Experience with INS and integration with external aiding sources (GNSS, star trackers).
• Familiarity with GPS-denied navigation (alt-nav) techniques.
• Proficiency with modeling/simulation tools like MATLAB/Simulink; real-time implementation.
• Experience with 3DOF/6DOF simulation environments and sensor error modeling.

Responsibilities

• Develop, analyze, implement, and validate multi-sensor navigation algorithms.
• Work with multidisciplinary teams in a hardware-driven environment.
• Explore star-tracker-based alternative navigation and sensor fusion architectures.
• Ensure precise state estimation across all mission phases, including GPS-denied environments.

Skills

Estimation theory

EKF

Multi-sensor fusion

INS integration

GNSS

Star trackers

Alt-nav

MATLAB/Simulink

3DOF/6DOF sim

Sensor error modeling

Embedded systems

Flight software integration

Education

Bachelor's/Master's/PhD in Aerospace or Electrical Eng

Tools

MATLAB/Simulink

Job description

Castelion is seeking a Senior GNC Engineer to develop advanced navigation solutions for long-range hypersonic strike vehicles. You will design, analyze, implement, and validate multi-sensor navigation algorithms, including star-tracker-based navigation, in a fast-paced, hardware-driven setting.

The role focuses on precise state estimation across mission phases, including GPS-denied environments, with collaboration across multidisciplinary teams and real-time embedded systems.