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Computational Scientist - Large-Scale Coupled Physics with Security Clearance

Oak Ridge National Laboratory
Oak Ridge, TN
Closing date
Nov 26, 2021

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Science, Physical Sciences and Engineering, Physics
Organization Type
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Requisition Id 6059 Overview: The Scalable Algorithms and Coupled Physics group is seeking a computational scientist passionate about large-scale, coupled physics simulations. Application areas include modeling of advanced manufacturing processes, computational fluid dynamics, and plasma physics. The successful candidate will have experience with open source multiphysics frameworks such as OpenFOAM, experience coupling these frameworks to custom research codes in high performance computing environments, and experience with time-parallel methods. Communication and teamwork across multiple groups at ORNL will be key in order to verify models and algorithms, validate their use for specific applications, and quantify the uncertainty associated with predictions made using these tools. Oak Ridge National Laboratorys Computing and Computational Sciences Directorate conducts state-of-the-art research and development in computing and computational sciences in support of DOEs missions and programs. We develop and deploy leading edge computing and information technology capabilities to keep computational sciences at a level comparable to experimental sciences in the pursuit of scientific discovery and technical innovation. Major Duties/Responsibilities: * Work with users and within a team of other software developers to produce a robust, maintainable, scalable simulation capability.
* Actively collaborate with domain experts from U.S. government laboratories and academia involved in similar efforts.
* Interact with sponsors to define, execute, and report on relevant project elements.
* Publish high quality research results in peer-reviewed open or classified journals and conferences, if so authorized by the sponsoring agency.
* Develop proposals and work statements for funding, with ability to manage work scope and deliverables to sponsors Basic Qualifications: * PhD in science, technology, engineering, or mathematics (STEM) field.
* Strong computational skills, including programming in C++ and programming for HPC architectures including MPI, threaded programming, and/or GPU programming Preferred Qualifications: * Familiarity with performance-portable code development concepts and programming models including libraries such as Kokkos and Raja.
* Familiarity with OpenFOAM or other open source multiphysics frameworks
* Familiarity with large-scale code coupling
* Familiarity with time-parallel methods
* A proven publication track record
* A proven record of successful proposal development.
* Excellent communication (spoken and written) Special Requirements: * It is required of this position the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse program (WSAP) testing designed position which requires passing a pre-placement drug test and participation in an ongoing random drug testing program in which employees are subject to being randomly selected for testing. The occupant of this position will also be subject to an ongoing requirement to report to ORNL any drug-related arrest or conviction or receipt of a positive drug test result. Relocation: Moving can be overwhelming and expensive. UT-Battelle offers a generous relocation package to ease the transition process. Domestic and international relocation assistance is available for certain positions. If invited to interview, be sure to ask your Recruiter (Talent Acquisition Partner) for details. For more information about our benefits, working here, and living here, visit the "About" tab at This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired. We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment. If you have trouble applying for a position, please email . 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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