Principal GPS Receiver Principal Investigator

Northrop Grumman

Today
Secret
Unspecified
Unspecified
Los Angeles, CA (On-Site/Office)

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

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 Junior GPS Receiver Principal Investigator based out of Woodland Hills, CA. As a Junior GPS Receiver Principal Investigator 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:

The Future Positioning Navigation Timing Systems (FPNTS) team at Northrop Grumman Mission Systems (NGMS) is looking for a talented engineer that shows potential to grow into technical leader to join our team as a junior GPS Receiver Principal Investigator. This person will provide domain knowledge leadership of our navigation research and development portfolio for military applications and is based out of Woodland Hills, CA.
  • Development and evaluation of GPS receiver architectures and requirements
  • Support characterization of GPS receiver performance in relevant environments
  • Support Analysis of GPS navigation performance in laboratory and flight test scenarios
  • Help shape technology strategy and lead roadmap development for the positioning, navigation, and timing (PNT) research and development operating unit as well as proposal and capture strategy for critical programs.
  • 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; lead proposal activities; and represent Northrop Grumman at technical conferences and working groups.


Basic Qualifications:
  • Masters of Science in a STEM discipline and a minimum of 2 years of prior relevant experience, OR Ph.D. in STEM discipline
  • US Citizenship
  • Ability to obtain and maintain a DoD Secret security clearance
  • Ability to work full-time onsite in Woodland Hills, CA


Systems Engineering focused skills:
  • Familiarity with algorithm development for satellite acquisition, tracking, and receiver measurement formation
  • Familiarity with requirements specification and interface control documents (ICD) for GPS-153/RS-232,etc.
  • Familiarity with software defined Global Navigation Satellite System (GNSS) receivers.


Embedded Software Engineering focused skills:
  • Demonstrated experience developing embedded software utilizing C, C++, Ada or related languages (typically 10+ years of experience)
  • Familiarity with developing, and integrating real time embedded software for GPS Receivers, including on target Hardware
  • Familiarity with signal selection, acquisition and tracking, Position, Velocity, and Time (PVT) calculation, data demodulation, signal correction, jamming and spoofing or related applications
  • Exposure to 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


Preferred Qualifications:
  • Ph.D. in Aerospace Engineering or Electrical Engineering or any related field
  • Working experience as a Team Lead and/or Technical Lead


System Engineering focused skills:
  • Familiarity with GPS receiver tracking loops, including characterization of platform dynamics, environmental/interference effects, jamming mitigation techniques on GPS processing
  • Working knowledge of Power Management
  • Working knowledge of Buffer/Memory Management
  • Working knowledge of Precision timing interface.
  • Familiarity with signals of opportunity and alternate navigation signals.
  • Familiarity with open system architectures (ex: ASPN, CMOSS, PNTOS, JADC2).
  • Familiarity with anti-jam GPS processing techniques and analysis (such as nulling, STAP, SFAP, SFAP-T, differential GPS)
  • Familiarity with GPS satellite constellation simulator test equipment
  • Familiarity with integrated INS/GPS navigation systems involving exposure to Kalman filtering / estimation theory
  • Familiarity with one or more of the following: time metrology, time synchronization, time and frequency transfer, design of precision timing system, clock analysis, clock ensembling, design of time and frequency measurement systems


Software Engineering focused skills:
  • Familiarity with Agile lifecycle process including Scrum, Continuous Integration, Unit Test, and Test Driven Methodologies


This position is contingent upon the ability to obtain a Secret Clearance within a timeframe acceptable to management as well as contract award.

Salary Range: $110,300.00 - $165,500.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
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Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines. © 2025 Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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