1+ months

Mechanical/Structural Engineer- Nonlinear, Dynamic Analysis

Lawrence Livermore National Laboratory
Livermore, CA 94550

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Come join Lawrence Livermore National Laboratory (LLNL) where we apply science and technology to make the world a safer place; now one of 2020 Best Places to Work by Glassdoor!

We have multiple openings for engineers with a strong background in nonlinear, dynamic, mechanical and structural analysis. You will support fundamental research, advanced development, as well as practical design and assessment efforts of complex systems using nonlinear, multi-physics analysis codes developed at Lawrence Livermore National Laboratory (LLNL). Your efforts will support a variety of internally and externally sponsored national security related projects aligned with the broader mission of LLNL. These positions are in the Computational Engineering Division (CED), within the Engineering Directorate. These positions 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
- Perform analysis of complex mechanical systems subject to nonlinear, high-rate loading with emphasis on state-of-the art computational techniques and constitutive behavior to evaluate the post-failure response of materials and structures.
- Ability to work independently to effectively manage concurrent technical tasks with competing priorities in a multi-disciplinary team environment, where commitments and deadlines are important to project success.
- Participate and collaborate in training, briefings, or other program-related events, including contributing to meetings with sponsors, other DOE Laboratories, and U.S. government agencies, which will require occasional travel.
- Contribute to the fulfillment of project and organizational goals, working as a member of a project team in a dynamic environment to fulfill results and share relevant knowledge, analysis, and recommendations with team members, collaborators, and project leadership.
- Document methods and implementation in informal and formal reports and presentations.
- Perform verification analyses to check computational methods against analytical solutions and verify that methods converge.
- Responsible for ensuring appropriate security requirements are met for all levels of classified/unclassified information under your direct control.
- Perform other duties as assigned.
In Addition at the SES.3 Level
- Independently resolve technical objectives and criteria to satisfy project objectives and execute the appropriate technical approaches.
- Apply advanced technical knowledge and methodologies to guide the successful completion of project and organizational goals and serve as the primary technical contact on tasks and projects.
- Collaborate with technical area leaders, project leaders, and program management to represent technical capabilities and project results to internal management and external sponsors. Qualifications
- Masters degree in mechanical engineering, aerospace engineering, structural engineering, structural/applied mechanics or related field, or an equivalent combination of education and related experience.
- Comprehensive knowledge and relevant experience in computational structural mechanics, with depth in at least one of these areas: material damage and failure mechanisms, high-rate system dynamics, thermo-mechanical response of systems, or laser-matter interaction.
- Experience using relevant finite element modeling and simulation tools and analytical models for engineering problem solving, with an emphasis on nonlinear, high-strain rate dynamic analysis and building large geometrically complex models.
- Experience using programming or scripting languages (such as Python or Perl) to manipulate data and text to help facilitate technical analysis.
- Experience documenting research results in formal reports.
- Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information.
- Ability to work independently and as a member of a multidisciplinary team.
In Addition at the SES.3 Level
- Advanced knowledge and significant experience in computational structural mechanics, with particular depth in at least one of these areas: material failure, dynamics, thermo-mechanical response of systems, or laser-matter interaction.
- Advanced knowledge of state-of-the-art modeling and simulation capabilities.
- Advanced verbal and written communication skills needed to effectively collaborate in a team environment, present and explain technical information, document work, prepare and present successful proposals and high quality research papers, and provide advice to management. Desired Qualifications
- PhD in mechanical engineering, aerospace engineering, structural engineering, structural/applied mechanics or related field.
- Knowledge of advanced constitutive models for metals, composites, ceramics, foams, geologic materials, or polymers.
- Experience conducting computational analysis in a multi-physics context on massively parallel computer systems.

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. Also, you must have the ability to obtain and maintain Sensitive Compartmented Information (SCI) access.

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 listing has multiple openings; these are At Will appointments. Lab employees and external candidates may be considered for these positions.

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 $2.1 billion, employing approximately 6,800 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.


Posted: 2020-07-21 Expires: 2020-12-05

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Mechanical/Structural Engineer- Nonlinear, Dynamic Analysis

Lawrence Livermore National Laboratory
Livermore, CA 94550

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