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Flow Network Modeling and Simulation Engineer with Security Clearance

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

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Science, Physical Sciences and Engineering
Organization Type
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Requisition Id 6662 Overview The Multiphysics Modeling and Flows group is seeking skilled engineers to aide in the design and performance modeling of gas centrifuge cascades. The successful candidate will work with subject matter experts to develop and validate cascade modeling capabilities that include variations in centrifuge performance, pressure losses in the headers, and flow distribution over multiple parallel flow paths. Both steady-state and transient flow effects are of interest. Major Duties/Responsibilities: * Interact with subject matter experts develop software tools for cascade modeling and validate modeling tools against experimental data.
* Interact with sponsors to define, execute, and report on relevant project elements.
* Present non-sensitive research in professional journals and conferences.
* Develop proposals and work statements for funding, with ability to manage work scope and deliverables to sponsors Basic Qualifications: * PhD in mechanical engineering, chemical engineering or related field and 3+ years of relevant experience.
* R&D experience in the application of multiphysics modeling tools to integrated systems.
* Demonstrated experience with usage and/or code development in a variety of programming langagues (FORTRAN, Python, C++, MatLab, Julia) and their application to scientific computing (e.g. automation, pre/post processing, data analysis, file I/O, parallel computing). FORTRAN experience is particularly desirable.
* Strong oral and written communication skills, ability to work in a team environment. Preferred Qualifications: * 7+ years of relevant professional R&D experience outside of Ph.D.
* Experience with one or more of the following areas: complex fluid flow networks, chemical process flow analysis, compressible fluid flow, convective heat transfer, petrochemical processing.
* Experience combining FORTRAN coding with C++
* Experience with Department of Energy developed multiphysics simulation tools, such as Sierra
* Demonstrated experience with the verification and/or validation of complex computational models and simulation results
* Experience working in a modern code development project
* An active DOE Q clearance Special Requirements: * This position requires access to technology that is subject to export control requirements and to sensitive projects. Successful candidates must be qualified for such access without an export control license.
* 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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