Principal Guidance Navigation and Controls Engineer

3 weeks ago


Melbourne, United States Northrop Grumman Full time

Northrop Grumman Aeronautics Systems sector is hiring a Principal or Senior Principal Guidance Navigation and Controls (GNC) Engineer to join our Vehicle Engineering team of qualified, diverse individuals in Melbourne, Florida. This position supports the Strike program; current clearance required.


Responsibilities may include:

  • Design, develop, implement, verify, and test algorithms, software, and simulation tools to perform GNC of manned aircraft
  • Develop control laws to meet air vehicle performance, flying qualities and stability margin requirements, both on-ground and in-flight
  • Develop system and software requirements for GNC features and support requirement verification through test procedure development, lab testing and reporting
  • Design pilot relief autopilot and associated logic functions
  • Develop air vehicle system linear and non-linear dynamic simulation models and integrate models into software and hardware-in-the-loop simulation environments
  • Define and execute performance and flying qualities analysis
  • Support pilot-in-the-loop simulation handling qualities testing
  • Analyze air vehicle flight test data and support flight test activities
  • Utilize excellent communication skills to report program milestones, technical approaches, and findings to GNC as well as program management


This role can be filled as a Principal Engineer (level 3) or Sr Principal Engineer (level 4) depending on the qualifications below.


Basic Qualifications:

Principal Engineer: Bachelor of Science (BS) in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 5 years of relevant experience; OR Master of Science (MS) in a STEM discipline and 3 years of relevant experience

Sr Principal Engineer: BS in a STEM discipline and 9 years of relevant experience; OR MS in a STEM discipline and 7 years of relevant experience

  • Knowledge of fixed-wing aircraft flight dynamics
  • Experience using linear control principles and tools to design feedback control systems
  • Experience analyzing non-linear simulations of aircraft closed-loop dynamics
  • Experience using MATLAB to create, process, analyze, and visually represent data
  • Must have an active DoD Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation)
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance prior to the commencement of employment


Preferred Qualifications:

  • Experience designing control laws for piloted fixed-wing aircraft, performing handling qualities analyses, and pilot-in-loop evaluations
  • Experience with control design and analysis processes including the development of the control laws, and hardware/software requirements for air vehicles
  • Experience designing, developing, and implementing flight software algorithms to support GNC functions for air vehicles
  • Experience designing, developing, and implementing simulation software to test and verify mission requirements for air vehicles
  • Experience with navigation functions including the statistical processing of measured data points and their substitution into algorithms simulating physical reality
  • Experience with guidance functions including the formulation of specific equations to achieve a desired position, orientation, or trajectory
  • Working knowledge of MIL-STD-1797 flying qualities requirements
  • Experience creating and executing requirement verification test procedures
  • Experience using Simulink to model dynamic systems
  • C/C++ and/or Python Programming Skills

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