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Apex Technology

Spacecraft GNC Engineer

Los Angeles$112k–$180kfulltimemidAdded 1 month ago

About this role

Apex seeks an experienced Spacecraft GNC Engineer to design and develop guidance, navigation, and control systems for commercial satellite buses. You'll lead clean-sheet GNC architecture design, conduct spacecraft dynamics analysis, and collaborate across teams to deliver innovative solutions that meet precision pointing and stability requirements.

What you'll do

  • Develop GNC algorithms for attitude/orbit determination, control, and precision pointing
  • Conduct spacecraft dynamics analysis and simulations to evaluate system performance and stability
  • Design and test control systems including reaction wheels, thrusters, and magnetic torquers
  • Perform trade studies on GNC configurations considering power, mass, and cost
  • Develop test plans and procedures for GNC systems with anomaly resolution
  • Collaborate with software engineers on GNC module development and satellite integration

What they're looking for

  • Spacecraft dynamics and orbital mechanics
  • Control theory and GNC algorithm design
  • C/C++, MATLAB, Python programming
  • MATLAB/Simulink and STK simulation tools
  • GNC sensors and actuators (gyroscopes, star trackers, thrusters)
  • Industry standards (CCSDS, ECSS, GPS/GNSS)
  • Telemetry analysis and troubleshooting
  • Cross-functional collaboration and technical communication
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Apex Technology

Apex Technology builds commercial spacecraft and satellite bus platforms for earth observation and communications missions. The company is hiring across platform engineering, cloud security, mission operations, and RF systems design to support its aerospace manufacturing and satellite operations.

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Likely interview questions

  • Walk us through your experience developing attitude determination and control algorithms. What sensors and actuators have you worked with, and how did you handle the control law design?
  • Describe a complex spacecraft dynamics problem you've solved. How did you approach the analysis, and what simulation tools did you use?
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