Northrop Grumman Mission Systems sector is seeking a GPS Navigation Systems Engineer to join our diverse and talented team in the design, implementation, and integration of real-time GPS Receivers. This role will be filled at our Woodland Hills, CA site. Development and evaluation of GPS receiver architectures and requirements Characterization of GPS receiver performance in relevant environments Analysis of GPS navigation performance in laboratory and flight test scenarios Communication of status, issues, and results with program management and customers. Work in close collaboration with Government R&D organizations such as DARPA, AFRL, ONR, and Army labs to develop advanced navigation and timing technologies. Work with a team of navigation and timing experts in a team-based collaborative environment dedicated to advancing the state of the art Apply your research and development skills to architect real-world products and capabilities well beyond purely academic or theoretical Work with leading-edge Software Defined Radio (SDR) systems for GPS, GNSS, and other cooperative signals along with advanced signal processing techniques to define new product lines Work with leading-edge navigation warfare (NavWar) systems, techniques, algorithms, and software to enhance mission success in contested environments. Shape next generation mission applications like autonomous navigation, distributed sensing, alternative sensing and sensor fusion, proliferated low earth orbit (pLEO) space systems, model-based system engineering, cloud-based software as a service, and swarming vehicles. Present your ideas to internal and external groups and represent Northrop Grumman at technical conferences and working groups. Bachelors of Science in a STEM discipline and 2 years of relevant work experience OR Masters of Science in a STEM discipline Ability to obtain and maintain a DoD Secret security clearance Ability to work full-time onsite in Woodland Hills, CA Bachelors of Science in a STEM discipline and 5 years of relevant work experience OR 3 years with a Masters of Science in a STEM discipline OR a PhD US Citizenship Ability to obtain and maintain a DoD Secret security clearance Ability to work full-time onsite in Woodland Hills, CA Knowledge of signal selection, acquisition and tracking, Position, Velocity, and Time (PVT) calculation, data demodulation, signal correction, jamming and spoofing or related applications Demonstrated experience with algorithm development for satellite acquisition, tracking, and receiver measurement formation Demonstrated experience with design of GPS receiver tracking loops, including characterization of platform dynamics, environmental/interference effects, jamming mitigation techniques on GPS processing Hands-On experience with software defined Global Navigation Satellite System (GNSS) receivers. Demonstrated experience developing GPS Receivers utilizing MATLAB/Simulink or embedded software utilizing C, C++, Ada or related languages Familiarity with integrated INS/GPS navigation systems involving exposure to Kalman filtering / estimation theory Familiarity with signals of opportunity and alternate navigation signals. Familiarity with anti-jam GPS processing techniques and analysis (such as nulling, STAP, SFAP, SFAP-T, differential GPS) Experience writing papers on GPS Receiver design solutions and presenting at industry conferences or events Familiarity with military GPS modernization particularly M-code signal processing and capabilities. Familiarity with Timing and Distributed Clock Algorithms. Exposure to requirements specification and interface control documents (ICD) for GPS-153/RS-232,etc. Demonstrated experience with GPS satellite constellation simulator test equipment Demonstrated experience with inertial navigation systems (INS) mechanizations. Demonstrated experience in architecting, developing, and integrating real time embedded software for GPS Receivers, including on target Hardware Demonstrated experience developing software using Green Hills Integrity Real-time Operating Systems, board support package (BSP), Green Hills Multi IDE and/or Wind River VxWorks RTOS/BSP for C/C++ or equivalent development tools Familiarity with Agile lifecycle process including Scrum, Continuous Integration, Unit Test, and Test Driven Methodologies