Principal/Sr. Principal Structural Engineer

Requisition ID: R10025408

  • Category IconCategory: Engineering
  • Location IconLocation: Corinne - UT, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: None
  • 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: 2

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.

NG Space Systems – Propulsion Systems is currently seeking a Principal/Sr Principal Structural Engineer for our Composite Structures/Case Design team supporting several locations within the Flight Systems but home location would be the Promontory (Brigham), UT or the Bacchus (Magna), UT facility.

Role description & Responsibilities:

 The Principal Engineer Structural is responsible for aiding the development including hardware design by analysis of flight hardware for composite rocket motor cases and related structures: 

  • Contribute to major design efforts and coordinate technical efforts based on knowledge and experience

  • Create designs for future rocket motor case products using advanced in-house codes coupled with finite element analysis

  • Develop engineering documentation products (drawings, specifications, design and analysis reports, test plans, test reports, etc.)

  • Oversee and plan testing for development and qualification of flight hardware products.

Job Duties:                     

  • Design rocket motor cases using Northrop Grumman proprietary computer codes. 

  • Design associated components and structures, both composite and metallic, to achieve lowest cost from design and lean manufacturing principles.

  • Perform 2D and 3D structural analysis for the design of flight hardware and test articles using Siemens NX CAD software and ABAQUS/CAE tools to optimize mass.

  • Create engineering drawings and specifications to define design for hardware fabrication, write test plans, support fabrication efforts, oversee testing, analyze test data and make revisions to design based on results.

  • Learn and help maintain standard design processes.

Experience Requirements: 

Candidate must have a minimum of 5 years of engineering design and analysis of composite structures experience with a BS in Mechanical, Aerospace, Civil (Structural) Engineering or equivalent.  BS degree with 5 years of experience or MS degree with 3 years of experience is required.

Experience Preferred

  • Knowledgeable of Composite Structures Design, Analysis and Optimization is a plus.

  • Knowledgeable of Siemens NX, ABAQUS/CAE and ABAQUS solver are a plus.

Skills & Qualifications:

  • Broad understanding of composite materials in design and processing

  • Strong skills using Classical Lamination Theory and related tools for design as well as optimization techniques for minimum mass structures.

  • Strong knowledge of design and analysis of flight structures.

  • Strong skills in CAD and Finite Element Analysis with the ability to quickly learn new design code and FEA tools.

  • Experience/familiarity with composite manufacturing processes such as filament winding, tape and hand layup

  • GD&T, tolerance stack-up analysis and drawing preparation skills

  • Excellent written and oral communication skills.

  • Excellent time management and organizational skills.

  • Detail oriented but able to understand the big picture.


  • BS/MS degree in Mechanical, Civil or Aerospace Engineering required and 5 years with BS, 3 years with MS

  • Position can be filled one level higher, BS & 9 years or MS & 7 years’ experience

Salary Range: 87400 - 131100
Salary Range 2: 108376 - 162564

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. With the continuing impacts of COVID-19 around the world, we are taking action to protect the health and well-being of our colleagues and maintain the safety of the communities where we operate. As a federal contractor, and consistent with Executive Order 14042 ( we will require all newly hired employees in the United States to be fully vaccinated by January 18, 2022 or by your start date if it is after January 18th. Federal guidance allows for disability/medical and religious accommodations with respect to the vaccine requirement. Any requested accommodations must be reviewed and approved (if applicable) in advance of your start date.

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 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?

We offer an array of benefits to give you the support you need, including matching 401K, tuition assistance, health insurance and wellness options, coaching, mentoring and more.