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Principal/Sr. Principal Propulsion Engineer

Northrop Grumman
FLPG01, United States, United Statesfull_timeVerifiedPosted 19 May 2026
💰 $193,900/yr($103,600/yr$193,900/yr)

About the role

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

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.

Job Description

Northrop Grumman is currently seeking a Principal Propulsion Engineer or Sr. Principal Propulsion Engineer to join our team at our Palm Beach Gardens, Florida location to support the Propulsion Systems and Controls (PS&C) business unit.

 

Northrop Grumman Propulsion Systems and Controls (PS&C) facility in Elkton, Maryland began solid-propellant rocket operations in 1948. Today, the Elkton PS&C facility designs, develops, and produces solid-propellant propulsion, ordnance and motion controls systems in programs professionally managed for a wide variety of Government and commercial customers. The facility also serves as the hub for offsite engineering and test facilities in Ronkonkoma, NY and Palm Beach Gardens, FL.

This position will perform analysis, design, or test of one or more moderately complex materials (including energetics), structural components, and control systems for propulsion systems. Apply engineering principles, industry standards, company standards and customer requirements to develop propulsion systems (electric, solid/liquid fuel rocket, air-breathing, thrusters) for application in launch vehicles, missile systems, and space mission systems. Coordinate strategy for developing and leveraging multi-disciplinary design, optimization, and analysis processes to support mission requirements. Define and coordinate the conduct of testing required to evaluate design work.

Job Responsibilities:

  • Taking role in developing methodologies, interpretation of analytical results, and  recommendation for design improvement.
  • Preparation of technical reports and presentations of work product to both internal and external customers.
  • Provide technical assessments of test hardware and test data
  • Development of material models for thermal or structural analyses efforts. Assist in development of material test plans, selection of test methods, test data analysis to support material modeling efforts.
  • Lead analytical services in support of failure investigations: developing fault trees, developing approaches and providing analytical efforts to assess fault causes
  • Assist project team in design of experiments testing to provide necessary data to support detailed analyses
  • Form close working relationships with internal and external customer technical community and specific customer technical points of contact
  • Develop analytical approaches to assist in the resolution of unique structural/thermostructural mechanics issues.  Assist in design effort of test articles to provide necessary data for full scale applications. Provide structural mechanics, material specialist services to IPT working group
  • Ability to  organize, preserve, and manage engineering data, design documentation, and models to ensure they remain searchable, secure, and accessible for future redesigns, manufacturing, or analysis.

Basic Qualifications for Principal Engineer (level 3):

  • Requires Bachelors in Engineering & 5 years of experience or Master’s Degree in Engineering & 3 years of experience or a PhD & one year of experience

  • Ability to obtain a Secret Clearance which requires US Citizenship as a pre-requisite
  • Ability to  organize, preserve, and manage engineering data, design documentation, and models to ensure they remain searchable, secure, and accessible for future redesigns, manufacturing, or analysis.

Basic Qualifications for Sr. Principal Engineer (level 4):

  • Requires Bachelors in Engineering & 8 years of experience or Master’s Degree in Engineering & 6 years of experience or a PhD & 4 years of experience

  • Ability to obtain a Secret Clearance which requires US Citizenship as a pre-requisite

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Company

Northrop Grumman

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