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Principal / Sr. Principal Mechanical Design Engineer

Requisition ID: R10071939

  • Category IconCategory: Engineering
  • Location IconLocation: Woodland Hills, CA, USA
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: Secret
  • 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: 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 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 Mechanical Design Engineer based out of Woodland Hills, CA. As a Mechanical Design Engineer 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 automation.

What You’ll get to Do:

Based in our Woodland Hills, CA office, this position will support senior mechanical engineers in the design of military avionics including inertial navigation and measurement systems and mission computers for military air, land and sea vehicles.

Responsibilities include:

  • Mechanical design engineering and lead mechanical engineer responsibilities for inertial navigation systems and/or mission computers, including support for existing product lines
  • Creation of innovative designs with high producibility at minimum unit cost
  • Support for root cause analysis and quick resolution of manufacturing line stops and other critical production activities
  • Collaborative work with other engineering organizations, program management, factory operations, global supply chain and Mission Assurance.

This requisition may be filled at a higher grade based on qualifications listed below

This requisition may be filled at either a Principal Level or a Sr. Principal Level. 

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Basic Qualifications for a Principal Mechanical Engineer are:

  • 5 years of experience with a Bachelors degree in Mechanical Engineering; 3 years of experience with Masters in Mechanical Engineering; or a PhD in Mechanical Engineering
  • Expertise with mechanical CAD software (Siemens NX preferred)
  • Good presentation and writing/communication skills
  • Experience mentoring junior level engineers
  • Active DoD Secret Clearance

Basic Qualifications for a Sr. Principal Mechanical Engineer are:

  • 9 years of experience with a Bachelors degree in Mechanical Engineering; 7 years of experience with Masters in Mechanical Engineering; or 4 years of experience with a PhD in Mechanical Engineering
  • Expertise with mechanical CAD software (Siemens NX preferred)
  • Good presentation and writing/communication skills
  • Experience mentoring junior level engineers
  • Active DoD Secret Clearance

Preferred Qualifications:

  • Experience with Siemens NX
  • Experience with Geometric Dimensioning and Tolerancing, drawing creation, tolerance stack-up analysis, etc.
  • Experience supporting Mechanical aspects of Circuit Card Design
  • Experience with mechanical analysis and related tools such as ANSYS and SolidWorks Flow Simulation for structural and thermal analysis
  • Active Secret clearance
  • Demonstrated high degree of creativity and ability to solve a wide range of difficult problems
  • Demonstrated ability to be self-motivated, willing to learn, experience working in a team environment
  • Experience operating using Agile Engineering methodology and JIRA scrum boards task tracking


Salary Range: $95,000 USD - $142,400 USD
Salary Range 2: $117,700 USD - $176,500 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.