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Principal Mechanical Engineer / Senior Principal Mechanical Engineer (Liaison/MRB) – 5/40 1st Shift

Requisition ID: R10110829

  • CategoryCategory: Engineering
  • Location Location: Edwards AFB, CA, USA   |  Palmdale, CA, USA +1 more
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: Secret
  • TelecommuteTelecommute: No- Teleworking not available for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 10% of the Time
  • Relocation AssistanceRelocation Assistance: Relocation assistance may be available
  • Number of Positions AvailablePositions 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 Aeronautics Systems has an opening for a Principal Mechanical or Senior Principal Mechanical Engineer to join our team of qualified, diverse individuals within our Vehicle Engineering organization. This role is located in Edwards Air Force Base, CA.

Is this role you will be assessing and dispositioning non-conformances as they occur in our test environment. The selected candidate will author detailed engineering direction as well as collaborate readily with support engineering roles in order to ensure the integrity of the final product.

Key Responsibilities

  • Establish and maintain Material Review Board authority in order to autonomously address the rigors of the role.
  • Assess, disposition, and buy off non-conformance (MRB) tags and Engineering Change Requests (ECRs) as they arise in the flight test environment.
  • Coordinate dispositioned repairs, as appropriate, with support roles in the organization.

We offer flexible work arrangements, 5 day - 8 hours/day schedule (Monday - Friday) on day shift, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. Candidate must be willing to work extended shifts, weekends and holidays as required to meet program schedule and objectives. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do.

This position may be filled at either the Principal Mechanical Engineer OR a Senior Principal Mechanical Engineer level.

Basic Qualifications for a Principal Mechanical Engineer:

  • Must have a Bachelor’s of Science degree in a STEM discipline AND 5 years of related professional/military experience in Engineering, OR a Master’s degree AND 3 years of related professional/military experience in Engineering, OR a PhD with 0 years of experience.
  • Knowledge of the MRB process / experience with the MRB process
  • Experience with CATIA V5, NX, Visualization Pro, TeamCenter, MES, or other CAD programs
  • Experience with the manufacture and repair of composite structures
  • Experience with the conceptual operation, and troubleshooting of, typical aircraft subsystems
  • Must have an active DoD Secret clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation)
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance prior to the commencement of employment. This SAP must be obtained within a reasonable amount of time as determined by the company to meet its business needs.

Basic Qualifications for a Senior Principal Mechanical Engineer:

  • Must have a Bachelor’s of Science degree in a STEM discipline AND 9 years of related professional/military experience in Engineering, OR a Master’s degree AND 7 years of related professional/military experience in Engineering, OR a PhD in a STEM discipline AND 4 years of related professional/military experience in engineering.
  • Knowledge of the MRB process / experience with the MRB process
  • Experience with CATIA V5, NX, Visualization Pro, TeamCenter, MES, or other CAD programs
  • Experience with the manufacture and repair of composite structures
  • Experience with the conceptual operation, and troubleshooting of, typical aircraft subsystems
  • Must have an active DoD Secret clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation)
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance prior to the commencement of employment. This SAP must be obtained within a reasonable amount of time as determined by the company to meet it

Preferred Qualifications for both levels:

  • Bachelors or advanced degree in Mechanical Engineering or Aerospace Engineering
  • Experience in a developmental/operational test maintenance environment
  • Experience working in an aircraft manufacturing facility
  • Experience interfacing with a military customer
  • Experience working hands-on in a production assembly line environment
  • Experience with aircraft structures design
  • Experience with aircraft subsystem design
  • Previous MRB/LE Authority for Engineering

This position reports to Edwards AFB, CA, USA, however, this position can also be worked from Palmdale, CA, CA, USA.


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.