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Sr Principal Engineer Electrical

Requisition ID: R10064180

  • Category IconCategory: Engineering
  • Location IconLocation: Sunnyvale, California, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: Secret
  • Telecommute IconTelecommute: Yes- May Consider Full Time Teleworking for this position
  • Shift IconShift: Days (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions Available: 1

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.

At Northrop Grumman, our work with cutting-edge technology is driven by something human: the lives our technologies protects. It’s the value of innovation that makes a difference today and tomorrow. You’ll have the opportunity to connect with coworkers in an environment that’s uniquely caring, diverse, and respectful; where employees share experience, insights, perspectives and creative solutions through integrated product & cross-functional teams, and employee resource groups. From engineering and manufacturing, to operations and business development, Northrop Grumman’s Sunnyvale location offers the opportunity to serve national security and impact the lives of Americans all over the globe from the landscape of Northern California. Don’t just build a career, build a life at Northrop Grumman Sunnyvale.

The Power Electronics Group consists of incredible people with backgrounds in Mechanical, Electrical, and Systems Engineering with focus on Control Systems and Electromagnetic Design.  The Power Electronics Group is one facet of the Hardware Engineering community here at Northrop Grumman Sunnyvale which also includes Mechanical Design, Thermal and Structural Analysis, and Materials Analysis to name a few.  Our engineers find professional fulfillment in leading teams, performing cutting-edge research, and being in the forefront of the design process through our partnership with the program office business leadership.

We are seeking an Electrical Design Engineer with in depth knowledge of electromagnetic theory applied to the design and analysis of mega-watt rating electrical machines. The candidate should be familiar with different types of electrical machines, with a focus on permanent magnet and wound-rotor synchronous machines. The candidate will be the design lead responsible for performing design trade studies, preliminary and detailed machine design, machine design assessments, evaluation of machine performance due to manufacturing variations, and evaluation of acoustic and temperature performance conditions. Experience in ferromagnetic materials used in laminations, permanent magnet grades, electric machine insulation systems, electric machine thermal management and top level motor drive architectures is a plus.

This position located in Sunnyvale, CA.

Basic Qualifications:

  • Bachelors of Science degree in Electrical or Mechanical Engineering
  • 9+ years of experience in Electric Machine design and analysis
  • Electromagnetic analysis experience with FEA tools such as ANSYS Maxwell, Altair Flux 2D/3D, or similar type of electromagnetic analysis software
  • Designing electric machine for operation using inverter / drive applications MATLAB/Simulink proficiency
  • Demonstrated technical team leadership
  • U.S. Citizen with ability to obtain a DoD security clearance (No dual citizenship)

Preferred Qualifications:

  • Master of Science or Ph.D. STEM (Science, Technology, Engineering and Mathematics) degree
  • 9+ years of electrical machine and/or inverter / drive engineering experience
  • Experience with software for system evaluation such as Matlab Simulink, Simplorer, etc.
  • Good understanding of construction / manufacturing methods of electric machines
  • Experience with electric machines for marine propulsion applications
  • Experience implementing designs meeting military specifications and requirements
  • Experience with naval nuclear propulsion programs
  • Self-motivated with the ability to manage multiple tasks
  • Excellent communication skills


Salary Range: $128,500 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.