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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">Please post to the CEDAR list:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">DEVELOPMENT OF A GROUND-TO-SPACE ATMOSPHERIC PREDICTION MODEL
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">The Space Science Division of the US Naval Research Laboratory (NRL) in
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">Washington, DC seeks a highly motivated individual to join a cross-disciplinary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">research team, tasked with rapidly developing and validating a new
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">state-of-the-art global numerical model of the neutral atmosphere extending
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">from the ground to ~500 km altitude, for future high-resolution forecasting of
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">the deep atmosphere for space-weather applications. The successful candidate
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">will join a strong team of research scientists already in place at NRL for
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">this new project that builds upon NRLís institutional expertise in
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">high-altitude atmospheric model development for new and improved operational
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">environmental prediction capabilities for the globally deployed Navy.
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">The new atmospheric model will be based on an emerging Navy dynamical core that<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">solves the deep-atmosphere nonhydrostatic equations on the sphere using
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">spectral element (SE) methods. The candidate will work primarily with a group
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">at NRL DC developing new upper-atmospheric (mesospheric and thermospheric)
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">components of the model, including dynamics and physical parameterizations. As
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">model development proceeds, the candidate will conduct high-resolution model
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">experiments on massively parallel high-performance computers to test and refine<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">new features that help the team achieve specific project goals and milestones.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">In the process, the candidate may also collaborate with other project research
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">teams located at NRL DC and elsewhere, focusing on the modelís lower altitudes,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">high-altitude data assimilation capabilities, and physical coupling to
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">ionospheric models.
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">We seek a self-motivated candidate eager to study upper-atmospheric dynamics
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">and physics relevant to short-term prediction, to develop efficient algorithms
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">of these processes, and then to integrate them as new computer code within the
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">evolving infrastructure of the new model. A Ph.D. in atmospheric science,
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">computational fluid dynamics, physics, or a related discipline, is therefore
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">preferred, but not essential. Ability and willingness to work in the
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">environment of a large, diverse and geographically distributed team, to achieve<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">collective team goals, are essential. Strong programming skills will also be
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">required in working with a complex modern highly-scalable Fortran code using up<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">to 1 million processors per run. Thus, candidates with interests in learning
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">and applying modern coding practices on new and emerging supercomputing
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">architectures are encouraged to apply.
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">All applicants for federal positions must be US citizens. Formal applications
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">and any questions should be emailed to Dr. Steve Eckermann
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">(stephen.eckermann@nrl.navy.mil: Tel. 202-404-1299). Applications will be
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">accepted until 12 April 2019 or until the position is filled. NRL is an equal
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<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica">opportunity employer.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt;font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:Menlo;color:navy"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:Menlo;color:navy"><img width="100" height="70" style="width:1.0416in;height:.7291in" id="Picture_x0020_1" src="cid:image001.png@01D4D360.52CE9B20" alt="/Users/fsassi/Library/Containers/com.microsoft.Outlook/Data/Library/Caches/Signatures/signature_203356385"></span><span style="font-size:15.0pt;color:navy"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">Fabrizio Sassi, PhD<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">Research Physicist, Code 7631<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">Space Science Division<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">Tel: (202)-767-3827<o:p></o:p></span></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in">
<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">Fax: (202)-404-1767<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:15.0pt;color:navy"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:15.0pt;color:navy">For Official use only –Privacy sensitive</span></b><span style="font-size:15.0pt;color:navy"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:15.0pt;color:navy">Any misuse or unauthorized disclosure may result in both civil and criminal penalties</span><o:p></o:p></p>
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