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 Principal Engineer Level:

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

Bachelor of Science (BS) degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 8 years of relevant experience; OR Master of Science (MS) in a STEM discipline and 6 years of relevant experience or PhD with 4 years of relevant engineering and/or lab 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 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