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Northrop Grumman Principal Aeronautica Engineer in Brigham City, Utah

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 Space Systems designs, builds and delivers space, defense and aviation-related systems to customers around the world. Our main products include launch vehicles and related propulsion systems; missile products, subsystems and defense electronics; precision weapons, armament systems and ammunition; satellites and associated space components and services; and advanced aerospace structures.

Propulsion Systems is currently seeking a Principal Aeronautical Engineer for our Aerothermal Analysis team supporting several locations within the Flight Systems with an initial home location at the Promontory (Brigham City), UT facility.

Role description & Responsibilities:

The Aerothermal Analysis team at NGIS consists of both thermal and flow analysts that work to assess and define the thermal protection systems for solid rocket motors. The principal aeronautical engineer is responsible for the assessment and definition of relevant environments, both internal and external to solid rocket motors. Flow analysis is also used to support production of solid rocket motors, development and operation of subscale test equipment, and in support of multiple product lines.

Job Duties:

  • Analyze internal and external solid rocket motor environments using CFD

  • Assist in defining boundary conditions for thermal analysis

  • Define and apply models for multi-phase flows to predict droplet impingement

  • Prepare technical presentations and reports related to work performed

  • Master and help to maintain technical standards related to fluid dynamics


Experience Requirements:

  • A minimum of 3 years of engineering analysis experience with a MS degree

  • Secret security clearance

  • Knowledge of fluid dynamics with a primary focus on computational methods (CFD)

Experience Preferred:

  • Computational experience with multi-phase flows and combustion

  • Proficient with ANSYS grid generation and CFD analysis tools (Fluent

  • Experience with STAR-CCM+ grid generation and analysis, as well as other CFD tools, is also beneficial

Skills & Qualifications:

  • Strong application skills using CFD software, including geometry preparation and grid generation

  • Strong communication skills with the ability to clearly present technical information in both written and oral formats

  • Team oriented with a proactive approach to problem solving


  • MS degree in Mechanical or Aerospace Engineering required (current enrollment in a MS program acceptable)

  • U.S. Citizenship is required for this position.

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 www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.


Job Category : Engineering