Sr. Principal Structural Engineer

Northrop Grumman’s Space Systems – Propulsion Division currently seeking an experienced Sr. Principal Structural Engineer to fill a Technical Lead position for the Insulated Composite Case Design and Analysis team at our Promontory or Bacchus, UT offices.

Role description & Responsibilities:

The Technical Lead position is responsible for:

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

• Aiding the development for an insulated composite rocket motor case and related structures by design and analysis

• Support production of insulated composite cases with prompt technically sound MRB dispositions

• Create designs for future rocket motor insulated case products using advanced in-house codes and finite element analysis techniques

• Develop and maintain 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:                           

• Provide program support for all insulated composite case related issues for the IPT, insulated case VSET and other relevant VSETs

• Design and update rocket motor insulated cases using Northrop Grumman proprietary computer codes 

• Design and update associated components and structures, both composite, metallic and internal insulation 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

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

• Develop and present documentation for project related briefings including design reviews to be given to internal and external customers

• Engage with multi-discipline team and functions to improve internal insulation designs and methods

Experience Requirements:  

• Minimum Experience: BS mechanical (or equivalent) engineering degree with 9 years experience or MS with 7 years experience

Experience Preferred: 

• Knowledgeable of Composite Structures Design, Analysis and Optimization

• Knowledgeable of internal insulation design, fabrication and inspection techniques

• Knowledgeable of Siemens NX, ABAQUS/CAE and ABAQUS solver

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

• Knowledgeable with post fire insulation performance data from full scale rocket motor tests

Skills & Qualifications:

• Broad understanding of the materials used in an insulated composite case (composite fibers, resins, insulative and structural rubbers, adhesives, metals, fasteners, etc.

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

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

• 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.

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.