Sr. Principal Engineer Structural

At Northrop Grumman we develop cutting-edge technology that preserves freedom and advances human discovery. 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 continue to innovate with developments from launching the first commercial flight to space, to discovering the early beginnings of the universe. Our employees are not only part of history, they're making history.

The Antenna Products Department is looking for a stress analyst to join our department. The selected candidate will have proficiencies in the following areas:

Knowledge of spacecraft structures including primary/secondary structure made of metallic, advance composites, and/or Honeycomb materials and construction.

Knowledge of antenna reflector structures, and RF components and assemblies.

Knowledge of material strengths and properties, design processes & criteria, loading conditions and verification processes (e.g. non-destructive testing, witness coupons, etc)

Ability to analyze complex structures, perform structural stress analysis (stress, strain, deflection, thermal distortion) to demonstrate design margins against the mechanical, thermal & test requirements.

Ability to perform trade studies on large reflective surfaces to meet required acoustic induced loads.

Knowledge of bolted and/or bonded joint designs to minimize peak stresses.

Ability to design for maximum predicted environments generated by extreme temperatures, accelerations, acoustic loads, shock, and random vibration loads.

Experience and proficiency to perform stress analysis using Patran, Nastran, and Mathcad.

Basic Qualifications:

  • Bachelors of Science in Mechanical, Aerospace, Civil Engineer or other STEM related type degree from an accredited institution and 9 years experience; 7 with a Master's
  • Experiencewith spacecraft structures including primary/secondary structure made of metallic, advance composites, and/or Honeycomb materials and construction
  • Experiencewith CREO/Pro Engineering, Catia 5, NX or other 3-D CAD software package
  • Experiencewith Patran and Nastran
  • Experience with Mathcad or Matlab
  • Experience withdiscrepant hardware processes
  • Active SSBI Clearance within 5 year scope or active secret clearance


Preferred Qualifications:

Master's Degree in Mechanical, Aerospace, Civil Engineer or other STEM related type degree from an accredited institution
Minimum of 5 years of experience developing space hardware and mechanisms
Experience of Antenna systems and Architecture
Experience with RF components and assemblies
Experience with electronics integration, packaging, and cable & harness design
Knowledge of A&E Hardware
Ability to perform trade studies
Experience with creating and releasing drawing
Experience with creating and developing preliminary layouts
Proficiency with Geometric Dimensioning and Tolerancing (GD&T)
Experience with environmental testing requirements and experience with mechanical testing

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.


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