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GNC (Guidance, Navigation, and Control) Engineer - Unmanned Aerial Systems

Job Tracking ID:  85347-274541
Location:   Roseville, CA
Job Type:  Full-Time/Regular
Date Updated:  April 04, 2019
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Job Description:

The job of the GNC Engineer is to design, test, and validate control systems for unmanned air vehicles.  The candidate must be knowledgeable in general principles of stability and control, preferably as applied to fixed-wing aircraft.


Simulation Model Generation and Database Implementation

  • Implement equations of motion, environment, aerodynamics, propulsion, gravity, turbulence, and sensor models in 6DOF simulation models
  • Create and utilize aerodynamic, propulsion, and mass databases
  • Facilitate scripting and model development efforts to support trimming, linearization, and running aircraft flight dynamic simulation in the MATLAB/Simulink environment

Guidance, Navigation, and Control Algorithm Design

  • Derive subsystem requirements and specifications, including: sensors and control actuation components
  • Support subsystem testing and verification
  • Control system gain and filter design and stability margin evaluation
  • Perform non-linear robustness testing
  • Perform system level performance analysis and requirements validation/verification
  • Design and implement operator interfaces, autonomous logic algorithms, waypoint following and path generation algorithms

Flight test planning and support

  • Provide input for creation of flight test plans by defining required test points and detailed test methods
  • Support flight test events and provide real-time monitoring of GNC algorithm performance
  • Support post-flight data analysis and evaluation of GNC algorithms and Simulation model characterization
  • Verify flight dynamics, flying qualities, and aircraft flight path performance match design requirements and simulation expectations

Other Job Functions

  • Support other unmanned aerial vehicle design, development, production, and sustainment efforts as a member of the Flight Sciences group, which may include the following:
  • Participate in wind tunnel testing
  • Supports proposal efforts by providing performance data, system descriptions, and acceptance plans
  • Supports unmanned aerial vehicles in all levels of the product cycle, including: conceptual design, development, production support, and operational support
  • Maintain engineering documents and customer manuals
  • Other duties may be assigned




  • Ability to maintain sensitive and confidential information as required by government standards
  • Ability to interact effectively with peers and supervisors
  • Ability to interact appropriately with the public when necessary
  • Ability to adhere to workplace rules
  • Ability to effectively communicate professionally in writing or verbally with all levels of personnel
Experience and Skills:


  • Bachelor of Science degree in Engineering from an accredited institution 
  • Exposure to airworthiness certification of aircraft (military or civilian) preferred
  • Exposure to composite airframe design methods preferred
  • Understanding of autopilot flight control design preferred
  • Familiarity with C/C++ software preferred
  • Active Secret security clearance and be able to obtain a TS/SCI clearance preferred



  • Office and/or manufacturing  environment
  • Ability to stand and sit for long periods of time
  • Ability to perform repetitive motion (keyboarding, 10-key, phones)
  • Ability to lift up to 25 pounds

Kratos UAS, based in Sacramento, CA, designs and delivers advanced defense, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats, inspires us to push ourselves and our technologies to new levels.


Additional Information:
Job Level:   Mid Career (2+ years)
Number of Openings:   1
Years of Experience:   At least 3 Years
Level of Education:   BA/BS
Starting Date :   December 1, 2018