Postdoctoral Appointee-Developing an Exascale… at Argonne… · Lemont

Summary: Argonne National Laboratory is focused on accelerating scientific discoveries through advanced computing facilities. They are seeking a postdoctoral appointee to develop computational fluid dynamic tools for exascale computing, enhancing simulations on the Aurora supercomputer using advanced methodologies and collaboration with the CPS division. Responsibilities: - Develop a massively parallel solver capable of running simulations on the Aurora supercomputer using AMReX and the lattice Boltzmann method (LBM) - Develop flow/geometry-aware refinement strategies that create physics-based adaptation algorithms for simulations - Leverage AMReX and the LBM to develop an integrated framework for advanced workloads including simulations with in-situ visualization and machine learning integration Required Qualifications: - Recent or soon-to-be-completed Ph.D. (typically completed in the last 5 years) in mechanical/aerospace/chemical engineering, applied mathematics or a related discipline - Experience in numerical methods and CFD development using mesh-based scientific codes - Expertise in the lattice Boltzmann method (LBM) as evidenced by their publications - High performance computing (HPC) experience in code development with parallel programming techniques using the message passing interface (MPI) library - Proficiency in writing code with C, C++ and/or Python - Ability to demonstrate strong written and oral communication skills - Ability to model Argonne's Core Values: Impact, Safety, Respect, Integrity, and Teamwork Preferred Qualifications: - Experience with two-phase/multi-phase flows as evidenced by their publications - Experience programming GPUs with CUDA, SYCL, HIP or OpenMP - Experience using and developing code with AMReX - Experience in performance engineering to improve code scalability and reduce time-to-solution Required Skills: CFD development, lattice Boltzmann method, high performance computing, parallel programming Important Skills: C/C++/Python proficiency, two-phase/multi-phase flows, AMReX development, performance engineering Nice-to-Have Skills: communication skills, teamwork Benefits: Comprehensive benefits are part of the total rewards package.