Principal / Sr. Principal Engineer Guidance Navigation Control

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Aeronautics Systems has an opening for a Principal or Sr. Principal Guidance, Navigation, & Control (GNC) Engineer. This position will be located in San Diego, CA. The selected candidate will design, develop, implement, verify, and test algorithms, software, and simulation tools to perform Guidance, Navigation and Control (GNC) of aircraft. Develop control laws to meet air vehicle performance, flying qualities and stability margin requirements, both on ground and in flight. Develop air vehicle system linear and non-linear dynamic simulation models and integrate models into software and hardware-in-the-loop simulation environments. Analyze air vehicle flight test data and support flight test activities. Essential Functions include the following: Flight test support in mission control room (pre-flight predictions, real-time support, post flight analysis, parameter identification) Perform performance and flying qualities analysis Non-linear 6DOF Simulation analysis (stress testing, trade studies, etc.) Linear MATLAB analysis (gain/phase margin determination, stability margin analysis) Embedded flight control software design/code/test Data analysis and investigation (document analysis and provide presentations to management and customer) Mission plan analysis support. This position can be filled at either the Principal Engineer or Sr Principal Engineer level. Basic Qualifications: Basic Qualifications for a Principal Engineer include a Bachelors in Science, Technology, Engineering or Math (STEM) and at least 5 years of experience, a Master's Degree in STEM with 3 years of experience, or a PhD Degree with no experience. Basic Qualifications for a Sr Principal Engineer include a Bachelors in Science, Technology, Engineering or Math (STEM) and at least 8 years of experience, a Master's Degree in STEM with 6 years of experience, or a PhD Degree with 3 years of experience. Candidate must have excellent communication, analysis and problem-solving skills and be able to work in a multi-disciplinary team environment. Familiarity with Flight Sciences Knowledge of fixed-wing aircraft flight dynamics. Preferred Qualifications: Proficient in C/C++, MATLAB/Simulink Knowledgeable in flight sciences, control law development, and control system analysis. Experience analyzing non-linear simulations of aircraft closed-loop dynamics Experience using MATLAB to create, process, analyze and visually represent data Active DoD Secret clearance Flight test experience.