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Sr. Principal Systems Engineer – Model-Based Systems Engineering

Requisition ID: R10045796

  • Category IconCategory: Engineering
  • Location IconLocation: Bethpage, New York, United States of America
  • 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, 25% of the Time
  • Positions IconPositions Available: 3

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 Sector (NGMS) is a leading global provider of secure software-defined, hardware enabled mission systems.  Northrop Grumman’s Bethpage location has served as a vital location throughout the history of the company. Opening in 1936, it served as the main headquarters for the Grumman Corporation - the central location for projects such as the Lunar Module and the F-14 Tomcat.  Our employees have made significant historical contributions and are continuing to shape the future. The selected individual will work a fully Model Based Systems Engineering (MBSE) approach for systems engineering and be responsible for supporting MBSE strategy and implementation over the Architecture model. 

What You Will Do:

  • Help to drive organizational change by driving Digital Transformation and Model-Based Everything (MB(X)) approaches.
  • Coordinate with integrated product teams for establishing content within the architecture.
  • Develop descriptive system models to include logical/physical/functional block diagrams at various abstraction layers to support Model-Based Engineering (MBE) and Model-Based Systems Engineering (MBSE) efforts.
  • Collaborate with other members of the technical staff, program office, and government customers.
  • Work independently and across multi-disciplined/multi-site teams to architect, model, simulate, and analyze systems to predict/verify system performance against functional/capability requirements.
  • Demonstrate a Systems Thinking mindset.
  • Be capable of understanding a complex problem, developing an approach to solve it, and implementing that approach. 
  • Duties may extend to include one or more of: developing system specifications derived from customer requirements, data analysis, algorithm development, system issue resolution, test derivation/validation, as well as design and modeling tasks.
  • Travel will be required for meetings and program support, particularly at the start of program support.

Basic Qualifications:

Sr. Principal Engineer (9+ years of engineering experience with a bachelor’s degree, 7 years for MS degree, 4 years for PhD)

  • Experience with requirements development, systems requirements analysis and requirements management
  • Experience preparing and presenting technical content to internal and/or external customers
  • Ability to communicate effectively
  • Ability to work collaboratively in a team environment
  • Proficiency with Microsoft Office suite (i.e., Word, PowerPoint, Excel)
  • U.S. Citizenship (cannot be dual citizen), with the ability to obtain and maintain a U.S. Secret Security clearance, and the ability to obtain approval for Special Access Program (SAP). A current active clearance is desired

Preferred Qualifications:

  • Working knowledge of Model Based Systems Engineering (MBSE), tools, techniques, and concepts; e.g., Cameo model development
    • Experience in MBSE techniques including requirements management; interface control and verification; logical, physical and functional architecture; trade studies; and analysis of alternatives.
    • Understanding of System Modeling Language (SysML), Unified Modeling Language (UML), or other descriptive constructs/tools.
  • Experience with radar systems, particularly: data analysis, requirements analysis, mode design and development and/or signal and data processing.
  • Experience with techniques associated multiple target tracking (e.g. Kalman filtering, multiple hypothesis logic)
  • Extensive knowledge of Cameo Enterprise Architect or IBM Rational Rhapsody
  • Experience with DoDAF & Unified Architecture Framework (UAF) standards and methods
  • Experience with DOORS requirements management
  • Experience using tools to model large systems with multiple developers
  • Experience with Agile Development
  • Experience performing system verification and validation
  • Experience in an integration and test environment
  • Proficiency with engineering programming languages (e.g., C/C++, MATLAB, Python)
  • Experience with physics-based model or simulation development


Salary Range: $125,800 USD - $188,600 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 https://www.saferfederalworkforce.gov/contractors/.

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 http://www.northropgrumman.com/EEO. 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.