Sr Principal Aeronautical Engineer (Computational Fluid Dynamics)Clearfield, UT

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 Aeronautics Systems has an opening for a Senior Principal A eronautical Engineer ( Computational Fluid Dynamics) to join our Design and Analysis team of qualified, diverse individuals. This position will be located at our Clearfield, UT site. Our Design and Analysis group, including the Thermal/Fluids team, works with experienced engineers, supporting sophisticated design, analysis, and process support of composite aerospace structures. We engineer the latest composite structures for military/commercial aircraft and launch structures. Would you like to work on the cutting edge of aerospace? Come join our team!


  • Aeroheating and ablation analysis for test configuration applications

  • Working with the team of experienced engineers to apply heat transfer and fluid dynamic analysis skills for predicting temperatures during cure of composite structures

  • Support will also include, but is not limited to, performing thermal surveys of part equipment/tooling, developing fluid flow models, thermal analysis support for preliminary and critical design phases, and preparing presentations

  • Survey support includes working with thermal and airflow specific instrumentation such as thermocouples, hot wire anemometers, etc.

  • Performing data reduction and interpretation of measurements

  • Mentoring, providing technical guidance, and reviewing work of junior aeronautical engineers

  • Additional support may include performing simulations of thermal standardization efforts for composite manufactured parts and conducting flow tests to support equipment such as autoclaves and ovens

  • Characterization of material thermal properties: test planning, test support, and data reduction

  • Supporting Research & Development, Testing, and Manufacturing groups during the development process

  • Work with experienced engineers to perform conjugate thermal/structural analysis for predicting cure deformation of composite components

  • Communicating with customers to collaborate on design requirements and systems integration requirements for development parts and assemblies

We work a 9/80 work week, which gives us every other Friday off to pursue passions outside the office. Travel is up to 10%, all within the continental US and typically involves a 2-3 day trip a few times per year. Northrop Grumman offers a full suite of benefits to our employees. We are regularly voted among the top companies for work life balance. Our Clearfield location is surrounded by the beautiful Wasatch Mountains which provide numerous opportunities for outdoor recreation. Do you enjoy skiing, hiking, or biking? Picture yourself in Utah!

Basic Qualifications:

  • Bachelor's Degree in STEM (Science, Technology, Engineering or Math) and 9 years of related engineering experience; OR a Master's Degree in a STEM field and 7 years of related engineering experience; OR a PhD in a STEM field and 4 years of engineering experience.

  • Demonstrated industry experience with heat transfer analysis

  • Demonstrated industry experience with subsonic fluid flow analysis and Computational Fluid Dynamics (CFD) software

  • Ability to obtain and maintain a DoD Secret Clearance. This clearance is not required to start employment but must be obtained within a reasonable amount of time as determined by the company to meet its business needs.

  • Ability to obtain and maintain Special Program Access (SAP). This SAP is not required to start employment but must be obtained within a reasonable amount of time as determined by the company to meet its business needs.

Preferred Qualifications :

  • Experience with any of the following software packages: ANSYS Fluent, Thermal Desktop, STAR-CCM+, Siemens NX, MATLAB, Abaqus CAE, Python scripting

  • Demonstrated industry experience with supersonic/hypersonic fluid flow analysis and Computational Fluid Dynamics (CFD) software

  • Composite thermal/structural Finite Element Analysis (FEA) experience

  • Basic or intermediate skills using CAD software packages

  • Knowledge of composite materials

  • Experience supporting engineering testing and characterization of material mechanical and/or thermal properties: Test planning, test support, and data reduction

Salary Range: $114,900 - $172,300

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

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 application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

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 all positions with a government clearance and certain other restricted positions.