Lawrence Livermore National Laboratory



Thermal Computational Fluid Dynamics & Design Engineer

Location:  Livermore, CA
Category:  Science & Engineering
Organization:  Engineering
Posting Requirement:  External w/ US Citizenship
Job ID: 104252
Job Code: Science & Engineering MTS 2 (SES.2) / Science & Engineering MTS 3 (SES.3)
Date Posted: September 20 2018

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Science and Technology on a Mission!

For more than 60 years, the Lawrence Livermore National Laboratory (LLNL) has applied science and technology to make the world a safer place.

We have an opening for a Thermal Computational Fluid Dynamics (CFD) & Design Engineer.  You will be an integral member of an interdisciplinary team responsible for research, development, and analysis in multiple laser science areas. You will create and define new solutions and business opportunities where fundamental science and technology can be applied to solve challenging problems facing the Laboratory and the nation. This position is in the Engineering Directorate supporting the NIF and Photon Sciences Program.

This position will be filled at either the SES.2 or SES.3 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level.

Essential Duties
- Conduct research in and development of the following areas: fluid dynamics, boundary layer transition, heat transfer, reactive chemistry, chemical kinetics, coupled thermal/structural mechanics, laser/matter interactions, and/or numerical methods.
- Perform moderately complex structural, thermal or thermo-mechanical, modal, dynamic, hydrodynamic, and/or multi-physics analyses.
- Conduct research in laser-matter interaction science, laser-materials processing and related microscale characterization.
- Increase accuracy of gas dynamics simulations by designing efficient algorithms, guided by experiments, applied mathematics, and physics.
- Contribute to the development and application of numerical tools to simulate process gas flow in chemical processes.
- Conduct comprehensive analysis of boundary layer transitions, thermal and fluid dynamics and organize, analyze and present data from research.
- Contribute to the accomplishment of program and organizational goals, by collaborating with others in a multidisciplinary team environment.
- Perform other duties as assigned.
In Addition at the SES.3 Level
- Perform complex R&D in numerical, analytical, or experimental methods that support core competencies.
- Establish objectives of assignments, have lead responsibilities and allocate resources.
- Influence technical direction by collaborating with industrial and academic partners and serve as a primary technical contact on tasks and projects.
 
Qualifications

- Bachelor’s degree in Mechanical or Chemical Engineering, Applied Science, or related field, or the equivalent combination of education and relevant previous experience.
- Broad experience in the following areas: fluid dynamics, boundary layer transition, heat transfer, reactive chemistry, chemical kinetics, coupled thermal/structural mechanics, laser/matter interactions, and/or numerical methods.
- Comprehensive knowledge in analysis modeling, and simulation tools (e.g., CAD, CFD, FEA).
- Experience with non-linear structural and thermal finite element methods, development of corresponding numerical techniques, and implementation.
- Broad experience with engineering analysis using structural, dynamic, hydrodynamic, and/or thermal computer codes.
- Experience in laser technology and optics, and fundamentals of laser-matter interactions.
- Comprehensive knowledge of thermal and optical properties of materials.
- Proficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information.
In Addition at the SES.3 Level
- Experience as a leader in analysis and design projects, including the ability to manage and complete engineering design and analysis projects.
- Significant R&D experience in numerical, analytical, or experimental methods that support core competencies.
- Advanced knowledge and experience in one or more of the following areas: fluid dynamics, boundary layer transition, heat transfer, reactive chemistry, chemical kinetics, coupled thermal/structural mechanics, laser/matter interactions, and/or numerical methods.

Desired Qualifications
- Master’s degree in Mechanical or Chemical Engineering, Applied Science, or related field, or the equivalent combination of education and relevant previous experience.
- Knowledge of optical transport theory with a mathematical background.
- Experience with C++, Python, R, Linux, Unix, Java, FORTRAN, Perl, and/or MATLAB, and algorithm development, experiment design, and data acquisition.
- Experience with the application of FEA in the context of systems engineering, as well as experience with mechanical design codes, such as ProE/Creo; fluid analysis codes (i.e., FLUENT or STAR CCM).

 

Pre-Employment Drug Test:  External applicant(s) selected for this position will be required to pass a post-offer, pre-employment drug test.  This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Security Clearance:  This position requires a Department of Energy (DOE) Q-level clearance.

If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. In addition, all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship.  If you hold multiple citizenships (U.S. and another country), you may be required to renounce your non-U.S. citizenship before a DOE L or Q clearance will be processed/granted.

Note:   This is a Career Indefinite position. Lab employees and external candidates may be considered for this position.

About Us

Lawrence Livermore National Laboratory (LLNL), located in the San Francisco Bay Area (East Bay), is a premier applied science laboratory that is part of the National Nuclear Security Administration (NNSA) within the Department of Energy (DOE).  LLNL's mission is strengthening national security by developing and applying cutting-edge science, technology, and engineering that respond with vision, quality, integrity, and technical excellence to scientific issues of national importance.  The Laboratory has a current annual budget of about $1.8 billion, employing approximately 6,500 employees.

 

LLNL is an affirmative action/ equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, protected veteran status, age, citizenship, or any other characteristic protected by law.

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