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Principal Engineer Mechanical/Sr. Principal Engineer Mechanical

Requisition ID: R10049966

  • Category IconCategory: Engineering
  • Location IconLocation: Sunnyvale, CA, USA
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: Secret
  • Telecommute IconTelecommute: Yes-May consider hybrid teleworking for this position
  • Shift IconShift: 1st Shift (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.

Northrop Grumman Mission Systems – Marine Systems (NGMS-MS) is seeking a Senior Principal/Principal Mechanical Engineer to participate in the development and ongoing support of new and existing launcher hardware design, hardware procurement, production, and test activities.

Responsibilities can include but not limited to:

  • Lead a group of engineers to support missile launch hardware design activities
  • Lead the design of missile launching, handling, and test equipment using solid modeling tools and/or directly with suppliers
  • Interface directly with customer and upper management to status activities
  • Coordinate planning and scheduling of major activities
  • Select and evaluate materials suitable for underwater systems
  • Participate in the generation and revision of engineering drawings and models
  • Participate in the resolution of technical issues related to test hardware issues
  • Participate in the resolution of technical and complex issues related to launcher hardware
  • Participate in the generation and revision of engineering drawings, reports, and procedures
  • Collaborate with internal and external stakeholders to reach solutions balancing technical, schedule, and cost requirements

Occasional domestic travel will be required.

Basic Qualifications for Principal Mechanical Engineer

  • Minimum of five (5) years’ experience with Bachelor’s degree or three (3) years’ experience with a Master’s degree in Mechanical or Aerospace Engineering
  • Ability to plan tasks and execute to the established schedule
  • Strong communication (written and verbal) and organizational skills
  • Ability to work independently on projects with minimal lead or management oversight
  • Must be a US citizen with the ability to obtain a DOD secret clearance

Basic Qualifications for Senior Principal Mechanical Engineer

  • Minimum of nine (9) years’ experience with Bachelor’s degree or five (5) years’ experience with a Master’s degree in Mechanical or Aerospace Engineering
  • Ability to balance and influence multiple competing priorities and individuals
  • Strong communication and organizational skills
  • Experience/ability to lead a team of up to five (5) engineers
  • Must be a US citizen with the ability to obtain a DOD secret clearance

Preferred Qualifications:

  • Strong background in machine design, strength of materials, and materials technology
  • Experience in developing design concepts, performing trade studies, and conducting supporting evaluations and analyses
  • Experience with CAD modeling (NX, CREO, SolidWorks, or equivalent)
  • Experience in ASME Y14.5 and ASME Y14.100 Dimensioning, Tolerancing, and Engineering Drawing Practices
  • Experience in executing projects in cross-functional matrix organization with other engineering disciplines
  • Experience in technical presentation and interfacing with customers
  • Experience in working with vendors and suppliers
  • Earned Value Management and Cost Account Manager experience
  • Active DOD Secret clearance


Salary Range: $92,200 USD - $138,400 USD
Salary Range 2: $114,300 USD - $171,500 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 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.