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<p class="MsoNormal"><b>Job Posting Title<o:p></o:p></b></p>
<p class="MsoNormal">Neutron Imaging Scientist / NB50690044<o:p></o:p></p>
<p class="MsoNormal"><b><o:p> </o:p></b></p>
<p class="MsoNormal"><b>Posted Date<o:p></o:p></b></p>
<p class="MsoNormal">09/21/2018<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>End Posting Date<o:p></o:p></b></p>
<p class="MsoNormal">10/16/2018<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Purpose<o:p></o:p></b></p>
<p class="MsoNormal">The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL) operates the High Flux Isotope Reactor<o:p></o:p></p>
<p class="MsoNormal">(HFIR), the United States' highest flux reactor based neutron source, and the Spallation Neutron Source (SNS), the world's<o:p></o:p></p>
<p class="MsoNormal">most intense pulsed accelerator based neutron source. Together these facilities operate 30 instruments for neutron scattering<o:p></o:p></p>
<p class="MsoNormal">research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical<o:p></o:p></p>
<p class="MsoNormal">sciences. HFIR also provides unique facilities for isotope production and neutron irradiation. To learn more about Neutron<o:p></o:p></p>
<p class="MsoNormal">Sciences at ORNL go to: <a href="http://neutrons.ornl.gov">http://neutrons.ornl.gov</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Overview<o:p></o:p></b></p>
<p class="MsoNormal">The Neutron Scattering Division (NSD) of the Neutron Scattering Science Directorate (NScD) at Oak Ridge National<o:p></o:p></p>
<p class="MsoNormal">Laboratory is seeking motivated candidates for an instrument scientist position in neutron imaging. With the advent of<o:p></o:p></p>
<p class="MsoNormal">instruments such as the HFIR CG-1D cold neutron imaging beamline, it has now become possible to obtain high-spatial<o:p></o:p></p>
<p class="MsoNormal">resolution 2 and 3-dimensional neutron imaging data of a series of advanced materials. Information about the CG-1D facility<o:p></o:p></p>
<p class="MsoNormal">can be found at: <a href="http://neutrons.ornl.gov/imaging/">
http://neutrons.ornl.gov/imaging/</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In this role, you will join an interdisciplinary research team with expertise in neutron instrumentation, energy materials,<o:p></o:p></p>
<p class="MsoNormal">engineering materials, and materials chemistry, etc. You will participate in research activities and user support using HFIR<o:p></o:p></p>
<p class="MsoNormal">CG-1D beamline and will participate in TOF neutron imaging experiments at Spallation Neutron Source instruments VULCAN<o:p></o:p></p>
<p class="MsoNormal">and SNAP. You will have the opportunity to contribute to the development, construction, and commissioning of the planned<o:p></o:p></p>
<p class="MsoNormal">Spallation Neutron Source (SNS) VENUS imaging beamline. Information about VENUS can be found at:<o:p></o:p></p>
<p class="MsoNormal"><a href="http://neutrons.ornl.gov/venus/">http://neutrons.ornl.gov/venus/</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Major Duties/Responsibilities<o:p></o:p></b></p>
<p class="MsoNormal">You will report to the Materials Engineering Group Leader in NSD and will participate in research activities using CG-1D,<o:p></o:p></p>
<p class="MsoNormal">primarily for, but not limited to, neutron radiography and computed tomography for energy materials, advanced materials<o:p></o:p></p>
<p class="MsoNormal">such as additive manufacturing, engineering applications, biology and georgical research. You will also contribute to the<o:p></o:p></p>
<p class="MsoNormal">development of time-of-flight imaging capabilities at the Spallation Neutron Source.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">* Conduct safe operation and user support for the CG-1D imaging beamline at the HFIR and for time-of-flight (TOF) imaging<o:p></o:p></p>
<p class="MsoNormal">activities using the SNAP beamline at the SNS.<o:p></o:p></p>
<p class="MsoNormal">* User support as a local contact, assistance with experimental setup, data acquisition, data analysis and publications.<o:p></o:p></p>
<p class="MsoNormal">* Work within the neutron imaging team (Instrument Scientist, Scientific Associates, Engineers, Software Developers) and<o:p></o:p></p>
<p class="MsoNormal">with scientists and other ORNL staff members to develop a strong materials science program using neutron imaging.<o:p></o:p></p>
<p class="MsoNormal">* You will be expected to take a lead role in imaging sample environment design and testing, for example, of a<o:p></o:p></p>
<p class="MsoNormal">temperature-controlled furnace optimized for imaging, and work directly with the user community to grow a novel research<o:p></o:p></p>
<p class="MsoNormal">area such as the use of time-of-flight neutrons for advanced materials, etc.<o:p></o:p></p>
<p class="MsoNormal">* Develop a high-quality in-house research program using imaging, publish research results in scientific journals<o:p></o:p></p>
<p class="MsoNormal">* Support programs and facilities at HFIR and SNS that are operational 24 hours a day and seven days a week.<o:p></o:p></p>
<p class="MsoNormal">* This position will require flexibility in work schedule, and support will be needed during off duty hours and weekends, in<o:p></o:p></p>
<p class="MsoNormal">many cases, to assist with user experiments.<o:p></o:p></p>
<p class="MsoNormal">* Ensure compliance with environment, safety, health and quality program requirements<o:p></o:p></p>
<p class="MsoNormal">* You will be expected to commit to ORNL's Research Code of Conduct by holding yourself and others to the highest<o:p></o:p></p>
<p class="MsoNormal">scientific, professional, and ethical standards in a manner that fosters mutual respect and enhances the reputation of the<o:p></o:p></p>
<p class="MsoNormal">individual researcher, his/her colleagues, and the Oak Ridge National Laboratory in its mission to address the Department of<o:p></o:p></p>
<p class="MsoNormal">Energy's and the nation's scientific and technical challenges.<o:p></o:p></p>
<p class="MsoNormal"><b><o:p> </o:p></b></p>
<p class="MsoNormal"><b>Qualifications Required<o:p></o:p></b></p>
<p class="MsoNormal"><i>Basic Qualifications:<o:p></o:p></i></p>
<p class="MsoNormal">* Candidates within 3 years of their Ph.D. in Physics, Metallurgical Engineering, Materials Science and Engineering or similar<o:p></o:p></p>
<p class="MsoNormal">background will be considered<o:p></o:p></p>
<p class="MsoNormal">* Experience in neutron or x-ray imaging and computer analysis/programming/modeling using Python<o:p></o:p></p>
<p class="MsoNormal">* Strong written and oral communication skills and the desire to work in a team environment on scientifically challenging<o:p></o:p></p>
<p class="MsoNormal">problems<o:p></o:p></p>
<p class="MsoNormal">* Experience in neutron or x-ray technique development<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><i>Preferred Qualifications:<o:p></o:p></i></p>
<p class="MsoNormal">* Previous beamline support of a neutron imaging beamline at a user facility<o:p></o:p></p>
<p class="MsoNormal">* Experience in both polychromatic and wavelength-dependent neutron imaging<o:p></o:p></p>
<p class="MsoNormal">* Expertise in energy materials such as nuclear materials, energy storage, fossil fuel and renewal energy technologies<o:p></o:p></p>
<p class="MsoNormal">* Neutron simulations using Monte Carlo based software (McStas and/or MCNP-X)<o:p></o:p></p>
<p class="MsoNormal">* Experience in software reconstruction, 2D and 3D image visualization and quantitative data analysis<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Work Directions and Interfaces<o:p></o:p></b></p>
<p class="MsoNormal">You will work with research staff in NSD and programmers in the Neutron Data Analysis and Visualization group and other<o:p></o:p></p>
<p class="MsoNormal">support groups. Collaboration is expected with science programs across other directorates within ORNL and with external<o:p></o:p></p>
<p class="MsoNormal">user groups.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Contact Dr. Hassina Z. Bilheux at bilheuxhn@ornl.gov for questions about this position. Please reference the position title<o:p></o:p></p>
<p class="MsoNormal">and number in the correspondence.<o:p></o:p></p>
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