Oak Ridge National Laboratory
3 weeks ago
Postdoctoral Research Associate in Lattice Quantum Chromodynamics and High-Performance Computing Oak Ridge National Laboratory in United States
Degree Level
Postdoc
Field of study
Computer Science
Funding
Postdoctoral appointment available immediately; initial term is one year with possibility of renewal for a second year or extension up to 24 months depending on performance and availability of funding. Competitive ORNL benefits are mentioned, but no stipend amount is provided.
Country
United States
University
Oak Ridge National Laboratory

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About this position
Oak Ridge National Laboratory (ORNL) is recruiting a Postdoctoral Research Associate in Lattice Quantum Chromodynamics (Lattice QCD) within the National Center for Computational Sciences (NCCS) and the Oak Ridge Leadership Computing Facility (OLCF).
The position focuses on computational science, high-performance computing, and software development for Lattice QCD on exascale systems such as Frontier. Research interests include porting lattice QCD libraries to emerging programming models (HIP, SYCL, Kokkos), software optimization, algorithm development, gauge field generation, linear and eigen-solvers, and novel analysis methods.
The successful candidate will work with ORNL researchers and collaborate with the U.S. Lattice QCD community, with applications connected to physics, including nuclear physics, astrophysics, and high energy physics. The appointment is available immediately and is initially for one year, with the possibility of renewal for a second year or extension up to 24 months depending on performance and funding.
Eligibility requires a Ph.D. in theoretical physics, computational physics, computer science, applied mathematics, computational science, or a related field, earned no more than five years before the application date. Applicants must complete all degree requirements before starting. Preferred experience includes large-scale application development, C/C++, MPI, accelerator programming models, heterogeneous computing, and performance profiling.
To apply, use the ORNL careers portal and submit the required application materials. Three letters of recommendation are required and may be uploaded or emailed to [email protected] with the position title and number in the subject line.
Funding details
Postdoctoral appointment available immediately; initial term is one year with possibility of renewal for a second year or extension up to 24 months depending on performance and availability of funding. Competitive ORNL benefits are mentioned, but no stipend amount is provided.
What's required
Ph.D. in theoretical physics, computational physics, computer science, applied mathematics, computational science, or a related discipline, earned no more than five years prior to the application date. Applicants must complete all degree requirements before starting. Preferred experience includes strong computational science background, large-scale application development, familiarity with Lattice Gauge Theory software (e.g. Chroma, CPS, MILC, QUDA, Grid), C/C++, CUDA, HIP, SYCL, OpenMP, Kokkos, Raja, MPI, vectorization, one-sided asynchronous programming, heterogeneous computing, debugging massively parallel algorithms, and performance profiling. Three letters of recommendation are required.
How to apply
Apply through the ORNL jobs portal using the Apply now link. Upload required documents in your candidate profile and submit three letters of recommendation, either directly or by email to [email protected] with the position title and number in the subject line.
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