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Distinguished Postdoctoral Associate in Computational Fusion Energy Science NB50643916
Oak Ridge National Laboratory
Oak Ridge National Laboratory

Job Location: Oak Ridge, TN

The Oak Ridge National Laboratorys Leadership Computing Facility (OLCF) has the charge to develop and apply transformational computational science capabilities in support of dramatic advances in our understanding of the physical world and using that knowledge to address the most pressing national and international concerns. As a designated User Facility, the OLCF hosts one of the most powerful computers in the world and delivers an unparalleled environment in which to make new discoveries that will dramatically impact the nations ability to produce a secure energy economy and increase mankinds fundamental understanding of our world. The facility has a goal of assisting in creating the next generation of computational scientists using current and emerging high-end computing resources to tackle the most demanding scientific challenges of tomorrow, and is seeking to grow their current postdoctoral fellowship program and develop the next generation computational science workforce with strong expertise in individual science domains, as well as expertise in the programming models needed for the development of methods and their implementation on state of the art, high-end computational resources. A Distinguished Postdoctoral Associate position in Computational Fusion Energy Science is available immediately for candidates interested in and capable of performing leading-edge computational plasma physics modeling research and development. Priorities include the development of methodologies and their efficient massively parallel implementation on current state-of-the-art accelerated computer architectures, as well as their application on large scientific challenge problems.The successful candidates will be mentored and teamed with staff in the Scientific Computing Group in the OLCF. They will collaborate with leading computer and computational scientists at ORNL in the development and application of new computational techniques specifically targeted at the plasma physics modeling using the XGC edge gyrokinetic particle-in-cell software for the Fusion Energy Sciences mission of the DOE Office of Science. They will also collaborate with the XGC fusion science team from Princeton Plasma Physics Laboratory. Appointments will be for one year, with the possibility of renewal for a second year, depending on performance and the availability of funding.

Major Duties/Responsibilities:
Work closely with ORNL researchers in using the resources of the OLCF effectively and efficiently, including:
  • Developing and porting of scalable science applications and algorithms for OLCF and other leadership computers.
  • Debugging and tuning applications for high performance.
  • Applying large-scale computational methodologies to meet scientific objectives. Conduct research and report results in journal publications, conference papers and technical manuals.

    Qualifications Required:
    Basic Qualifications:Postdoctoral candidates with a strong computational science background in Computational Fusion Energy Science or related field. Preferred Qualifications:Experience with one or more prominent computational science software packages is highly desirable. The ideal candidate would be familiar with common scientific programming languages such as C/C++ and/or FORTRAN, and have experience with or interested in CUDA, OpenCL, and OpenACC compiler directives, vectorization, MPI, and one-sided asynchronous programming models. Experience in heterogeneous computing, developing and debugging massively parallel algorithms and code performance profiling is desirable. In addition, candidates should have interest in application development techniques (programming models, algorithms, software) at scale (large processor counts). Excellent interpersonal skills, oral and written communication skills, organizational skills, and strong personal motivation are necessary. The ability to work in a dynamic, team environment is required.Additional Information:Applicants cannot have received their PhD more than five years prior to the date of application and must complete all degree requirements before starting their appointment. The appointment length will be up to 24 months with the potential for extension. Initial appointments and extensions are subject to performance and availability of funding.

    Oak Ridge National Laboratory

    ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-verify Employer.
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