Design Optimization Engineer - Postdoctoral Researcher

LLNL$122K — $143K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Engineering, Mathematics, Computational Science, or a related field.
  • Ability to secure and maintain a U.S. DOE Q-level security clearance (U.S. citizenship required).
  • Experience in developing custom simulation tools using continuum discretization approaches (e.g., finite elements).
  • Proficiency in programming languages such as C/C++/FORTRAN and familiar with Python scripting.
  • Fundamental knowledge of HPC and parallel programming interfaces like MPI, OpenMP, or CUDA.
  • Ability to perform independent research.
  • Strong verbal and written communication skills for collaboration and documentation.

Responsibilities

  • Develop and implement HPC algorithms for design optimization and simulation of complex systems.
  • Identify and solve design optimization problems using gradient-based approaches.
  • Develop continuum models and implement these in HPC software to solve governing equations.
  • Demonstrate design optimization capabilities to mission customers.
  • Document research findings through presentations and peer-reviewed articles.
  • Collaborate with multidisciplinary teams to integrate design tools with other frameworks.
  • Pursue independent research while interacting with a diverse group of scientists.

Benefits

  • Hybrid work schedule with the flexibility to work from home on some days.
  • Opportunity for career advancement with potential extension of the postdoctoral position.
  • Participation in cutting-edge research relevant to Laboratory missions.
  • Engagement in multidisciplinary collaboration and innovative problem solving.
Full Job Description
Job Description

We have an opening for a Design Optimization Engineer - Postdoctoral Researcher to conduct basic and applied research in the optimization, simulation, and design of physical and engineered systems. You will work both collaboratively and independently to extend and develop physics-based design optimization tools. Our team is working to advance the state-of-the-art in support of Laboratory missions. This position is in the Computational Engineering Division (CED), within the Engineering Directorate.

Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week.

You will
  • Develop and implement high-performance computing (HPC) algorithms for the simulation and design optimization of systems governed by nonlinear, transient, multiscale and multiple physical phenomena, including uncertainties in geometry and material properties.
  • Contribute to identifying and solving challenging design optimization problems with gradient-based optimization approaches.
  • Develop continuum models and implement them in our HPC numerical analysis software to solve the governing partial differential equations of the physical system, to predict design responses of interest.
  • Demonstrate our design optimization capabilities and establish credibility with mission customers.
  • Document research findings through presentations and peer-reviewed journal articles and contribute to identifying future research directions and proposals that will provide opportunities in the field.
  • Collaborate with multidisciplinary teams to integrate design optimization tools with other simulation and analysis frameworks.
  • Pursue independent (but complementary) research interests and interact with a broad spectrum of scientists internal and external to the Laboratory.
  • Stay current with technological advancements by updating and enhancing your knowledge of the latest HPC algorithms, simulation techniques, and design optimization methods.
  • Perform other duties as assigned.

Qualifications
  • Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
  • PhD in Engineering, Mathematics, Computational Science, or a related field.
  • Experience developing custom simulation tools using continuum discretization approaches (e.g., finite elements) for physical systems.
  • Proficiency in programming languages such as C/C++/FORTRAN and scripting languages including Python.
  • Fundamental knowledge of HPC and one or more associated parallel programming interfaces, such as MPI, OpenMP, or CUDA.
  • Ability to perform independent research.
  • Proficient verbal and written communication skills needed to effectively collaborate in a team environment, to present and explain technical information, to document work, and to prepare and present successful proposals and high-quality research papers.

Qualifications We Desire
  • Experience in design sensitivity analysis via direct (forward) and adjoint (backward) methods, shape/topology optimization and other design optimization techniques; familiarity with machine learning and data science techniques.
  • Experience simulating and designing systems that involve complex nonlinear, transient, multiphysics models; proficient in nonlinear solvers, and linear algebra concepts for solving challenging linear systems.
  • Experience working in a collaborative software development environment, including experience with version control systems, such as Git.
  • Adept at tackling complex technical challenges with a logical and analytical approach, working effectively with experts from various fields, and promoting an inclusive and diverse work environment.

Pay Range

$122,028 - $143,328 Annually

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage.An employee's position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Additional Information

#LI-Hybrid

Position Information

This is a Postdoctoral appointment with the possibility of extension to a maximum of three years, open to those who have been awarded a PhD at time of hire date.

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