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Sr Principal Systems Engineer – Modeling, Simulation & Analysis

Requisition ID: R10077036

  • Category IconCategory: Engineering
  • Location IconLocation: Woodland Hills, CA, USA
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: None
  • Telecommute IconTelecommute: No- Teleworking not available for this position
  • Shift IconShift: 1st Shift (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions Available: 2

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 Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines 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 Modeling, Simulation & Analysis (MS&A) Systems Engineer based out of Woodland Hills, CA. As a Modeling, Simulation & Analysis (MS&A) Systems Engineerat 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 automation.

What You’ll get to Do:

Northrop Grumman Mission Systems (NGMS) is looking for you to join our Modeling, Simulation & Analysis (MS&A) Systems Engineering team based out of Woodland Hills, CA. MS&A’s mission is to be able to provide rapid iteration, the right level of fidelity, early visualization and presentation of data, and faster solutions.

The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative team settings across all levels.


  • Develop new and/or integrate existing system simulation frameworks, performance models and algorithms, plant models using MATLAB/Simulink.
  • Design, analyze, and tune Kalman filters.
  • Generate navigation algorithms that account for error sources derived from the performance modeling of inertial measurement systems and navigation systems.
  • Create data reduction tools to evaluate navigation system performance.
  • Automate the data reduction and analysis toolset to support developmental and production testing.
  • Simulate real-time operations and develop software that simulates behavior of systems.
  • Develop, integrate, and use advanced graphical user interfaces and visualization tools.
  • Model operational environments, perform trade studies via computer simulation, and recommend alternative architectures.
  • Perform performance/operational analyses.
  • Perform trade studies and simulation analyses with the objective of enhancing/optimizing system performance capabilities.
  • Work with highly skilled teams and communicate clearly with customers, project management, and internal and external stakeholders.


Basic Qualifications:

  • BS in Computer Science, Engineering, Math, or Physics AND 9 years’ experience in related engineering fields, OR MS in Computer Science, Engineering, Math, or Physics AND 7 years’ experience in related engineering fields, OR a PhD AND 4 years’ experience
  • Knowledge of C++, MATLAB, Simulink
  • Experience in controls theory and implementation
  • General understanding of inertial navigation systems and the GPS system
  • US Citizenship is required in order to obtain and maintain security clearance

Preferred Qualifications:

  • MS in Computer Science, Engineering, Math, or Physics
  • Direct experience in MS&A methodologies and tools/standards (such as MATLAB / Simulink or STK, etc.) or MS&A VV&A process
  • Experience with software engineering development lifecycle processes and configuration management
  • Experience in inertial navigation systems
  • Gitflow and trunk-based software development
  • Productionizing data processing scripts for performance verification testing
  • Active U.S. Government in-scope DoD Secret security clearance or higher
  • Excellent communication skills
  • Team player/leader with strong analytical skills and an analysis/systems thinking mindset

Salary Range: $129,700 USD - $194,500 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.

Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.