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Sr Principal Engineer Propulsion

Requisition ID: R10087804

  • CategoryCategory: Engineering
  • LocationLocation: Palm Beach Gardens, FL, USA
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: Secret
  • TelecommuteTelecommute: Yes-May consider hybrid teleworking for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 25% 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 Defense Systems, Missile Products Business Unit with an office located in Palm Beach Gardens, Florida is currently seeking an experienced Senior Principal Propulsion Engineer to support our Ramjet and Scramjet Propulsion Systems Development efforts within our Advanced Propulsion and Systems (AP&S) Market Segment.

Job Summary:

This position will be responsible for the technical strategy, planning and execution of our large-scale ramjet and scramjet development programs.  It will require application of engineering principles, industry standards, company standards and customer requirements to develop high-speed air breathing propulsion systems for application in missile systems.  The AP&S Market Segment focuses on the design, development, validation and transition to production of emerging propulsion systems.  The customer base primarily consists of DoD and NASA.

Job Responsibilities:    

  • Lead efforts to support large-scale scramjet development programs and internal research and development activities.
  • Support propulsion and subsystem IPT leads to ensure technical and cost execution of each system component.
  • Work with IPTs to establish product build requirements (i.e. engineering, planning and inspection documents, schedule)
  • Work with the program systems engineering lead to identify propulsion system risks and mitigation activity.
  • Form close working relationships with the customer technical community and specific customer technical points of contact on each program.
  • Serve as final design authority for the propulsion system and provide MRB disposition recommendation(s) as needed.
  • Document and present design, manufacturing and testing status as needed.
  • Work closely with manufacturers to ensure that design intent is met in manufacturing of parts.
  • Support new business capture strategies and prepare proposal material.
  • Generate engineering schedules and cost estimates for proposals/ projects.

Basic Qualifications:

  • Ability to obtain a Secret Clearance, which requires US Citizenship as a pre-requisite
  • Bachelor’s Degree in Mechanical/Aerospace Engineering & 9 years of experience, Master’s Degree in Mechanical/Aerospace Engineering & 7 years of experience
  • General knowledge of air breathing propulsion systems
  • Ability to lead teams of engineers (both internally and at key suppliers) in product development projects for complex aerospace or defense systems.
  • Ability to develop and lead teams of engineers for complex development programs
  • Ability and experience with presenting complex technical concepts to audiences with a broad range of technical experience
  • Candidate must be proficient in Microsoft Power Point, Word, and Excel
  • Excellent interpersonal, communication, writing, presentation and critical thinking skills.
  • Ability and willingness to travel to meet with various customers, in both government and industry, and to interface with suppliers.
  • Knowledge of general machine shop fabrication processes
  • Knowledge of Design for Assembly / Design for Manufacturing (DFA/DFM).

Preferred Qualifications:

  • Current Active Security Clearance
  • Additive manufacturing experience
  • General knowledge of solid propellant rocket motor propulsion systems
  • Understanding of lean manufacturing processes and their implementation


Salary Range: $117,900 USD - $176,900 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.