Spacecraft GNC Engineer: Attitude & Flight Software

firefly; Town of Texas (WI); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Health, dental & vision plans

Parental leave

Educational reimbursement

Short term disability

Flexible PTO

Job summary

Firefly Aerospace is seeking a Spacecraft GNC Engineer to design, analyze, and operate GNC systems for spacecraft. You will develop flight software, run simulations, and support mission operations, advancing toward a senior GNC role at Firefly.

You will work on attitude determination, onboard navigation, and sensor/actuator modeling, collaborating with cross-disciplinary teams to integrate software with hardware.

Qualifications

• Bachelor's degree in aerospace engineering, mechanical engineering, electrical engineering, physics, mathematics, computer science, or related field.
• 4-8 years of professional experience in spacecraft guidance, navigation, and control or related discipline.
• Advanced knowledge of spacecraft orbital mechanics and state estimation.
• Proficiency in Python for scripting, data analysis, and visualization.
• Experience with C++ for real-time or flight-critical applications.

Responsibilities

• Develop and validate GNC software to ensure successful spacecraft mission execution.
• Tune and configure GNC algorithms for all phases of spacecraft flight.
• Perform 6DOF simulation analysis of nominal and dispersed flight profiles.
• Develop and maintain simulation models for sensors, actuators, and environmental effects.
• Create tools to automate workflows, process simulation and flight data, and generate technical reports.
• Conduct stability analysis, sensitivity studies, and hardware-in-the-loop testing of GNC.

Skills

Python

C++

GNC software development

State estimation

Attitude dynamics

Sensor modeling

Hardware-in-the-loop testing

CI/CD

Education

Bachelor's degree in aerospace engineering or related field

Advanced degree (MS/PhD) preferred

Tools

Git

Linux

Simulation tools

Job description

Firefly Aerospace is seeking a Spacecraft GNC Engineer to design, analyze, and operate GNC systems for spacecraft. You will develop flight software, run simulations, and support mission operations, advancing toward a senior GNC role at Firefly.

You will work on attitude determination, onboard navigation, and sensor/actuator modeling, collaborating with cross-disciplinary teams to integrate software with hardware.