Principal / Sr. Principal Computational Fluid Dynamic Engineer_

Sunnyvale

**Requisition ID: R10162460**

+ **Category:** Engineering

+ **Location:** Sunnyvale, California, United States of America | Ocean Springs, Mississippi, United States of America

+ **Clearance Type:** Secret

+ **Telecommute:** No- Teleworking not available for this position

+ **Shift:** 1st Shift (United States of America)

+ **Travel Required:** Yes, 10% of the Time

+ **Relocation Assistance:** Relocation assistance may be available

+ **Positions Available:** 1

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.

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. With Northrop Grumman’s Marine System, you will play a critical role in the development of products for the United States Navy. You will work with fellow engineers to solve the toughest challenges in the industry and deliver world-class performance. The Engineering organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!

Northrop Grumman Marine Systems specializes in the analysis, development, manufacture, assembly and testing of missile launching and handling systems, propulsion, and power generation systems for naval surface ships and submarines.

We are looking for you to join our team as a **Principal** **Computational Fluid Dynamic Engineer** or **Sr. Principal Computational Fluid Dynamic Engineer** based out of Sunnyvale CA or Ocean Springs, MS.

You will join the highly talented, motivated, and collaborative Modeling, Simulation, and Performance Analysis team, and will support the development of complex computational fluid dynamic (CFD) performance assessment models for surface and underwater missile launching systems. Models will have a focus on compressible gas dynamics, subsonic/sonic/ supersonic flow, liquid injection, phase change, rigid body dynamics, launch vehicle aeroballistics and hydroballistics, and fluid-structure interaction (FSI); elements required to accurately predict system performance. Experience with commercial CFD solvers—e.g. CFD++, Fluent, STAR-CCM+, or CFX—and mesh generation tools—e.g. Pointwise—is required. Candidate must be able to correlate and validate CFD results against trusted sources such as launch test data, journal publications, etc. A strong background in the principles of computational fluid dynamics is necessary to assist across a range of assignments. Candidate must be able to formally document results (e.g. technical reports, publications, presentations) and communicate effectively with internal and external customers. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of automation.

This requisition may be filled at a higher grade based on the qualifications listed below:

**Basic Qualifications for Principal:**

+ Bachelor’s Degree in Aeronautical or Mechanical Engineering, Math, Physics or a closely related STEM discipline with 5 years of physics-based modeling and simulation environment experience or a Master’s Degree in Aeronautical or Mechanical Engineering, Math, Physics or a closely related STEM discipline with 3 years of physics-based modeling and simulation environment experience.

+ Experience with commercial CFD solvers such as CFD++, Fluent, STAR-CCM+, or CFX.

+ Programming or software development experience in general engineering languages (i.e. MATLAB, C++, Fortran, Python, bash/shell scripting).

+ Experience with mesh generation tools such as Pointwise.

+ Experience with high performance computing.

+ Experience with fluid-structure interaction (FSI).

+ Experience with Verification and Validation (V&V) of CFD models.

+ Superior writing skills are required for documentation and technical exchange.

+ Must be a U.S. citizen with ability to obtain and maintain a Secret Security clearance.

**Basic Qualifications for Sr. Principal:**

+ Bachelor’s Degree in Aeronautical or Mechanical Engineering, Math, Physics or a closely related STEM discipline with 9 years of physics-based modeling and simulation environment experience or a Master’s Degree in Aeronautical or Mechanical Engineering, Math, Physics or a closely related STEM discipline with 7 years of physics-based modeling and simulation environment experience.

+ Experience with commercial CFD solvers such as CFD++, Fluent, STAR-CCM+, or CFX.

+ Programming or software development experience in general engineering languages (i.e. MATLAB, C++, Fortran, Python, bash/shell scripting).

+ Experience with mesh generation tools such as Pointwise.

+ Experience with high performance computing.

+ Experience with fluid-structure interaction (FSI).

+ Experience with Verification and Validation (V&V) of CFD models.

+ Superior writing skills are required for documentation and technical exchange.

+ Must be a U.S. citizen with ability to obtain and maintain a Secret Security clearance.

**Preferred Qualifications:**

+ Experience with CFD++ software.

+ Experience with overset meshing and moving bodies in CFD.

+ Experience with computer clusters and parallel processing in Linux and Windows 64-bit environment.

**Salary Range:** $92,600 - $160,900

**Salary Range 2:** $114,900 - $199,600

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.