Sr. Principal GPS Navigation Systems Engineer

Northrop Grumman•Los Angeles, CA

50d•Onsite

About The Position

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. Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. Our Emerging Capabilities Development organization pushes the boundaries of innovation, redefines capabilities, and drives advances in various sciences. Our team is chartered with providing an innovative technological capabilities across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission! We are looking for you to join our team as a Systems Engineer focused on GPS Navigation based out of Woodland Hills, CA. As a Systems Engineer at Northrop Grumman you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering, DevSecOps and Agile practices we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of innovation. What You'll get to Do: 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.

Requirements

Bachelors of Science in a STEM discipline and 8 years of relevant work experience OR Masters of Science in a STEM discipline and 6 years of relevant experience OR a PhD with 4 years of experience
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)

Nice To Haves

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

Responsibilities

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.