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<p class="MsoNormal"><b>ORNL Publications<o:p></o:p></b></p>
<p class="MsoNormal"><b><o:p> </o:p></b></p>
<p class="MsoNormal"><b>Job Posting Title<o:p></o:p></b></p>
<p class="MsoNormal">Power Electronics Engineer / NB50662822<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Posted Date<o:p></o:p></b></p>
<p class="MsoNormal">04/11/2018<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">05/31/2018<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Purpose:</b><o:p></o:p></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 more than 1,000 experiments in the physical, chemical, materials, biological and medical<o:p></o:p></p>
<p class="MsoNormal">sciences for more than 3,000 visiting scientists. HFIR also provides unique facilities for isotope production and neutron<o:p></o:p></p>
<p class="MsoNormal">irradiation. To learn more about Neutron Sciences at ORNL go to: http://neutrons.ornl.gov.<o:p></o:p></p>
<p class="MsoNormal">The Power Electronics Engineer will support operation, maintenance, repairs and upgrades of the DC and pulse power<o:p></o:p></p>
<p class="MsoNormal">systems in the SNS accelerator complex and execution of the Proton Power Upgrade (PPU), a project that will double the<o:p></o:p></p>
<p class="MsoNormal">proton beam power capability of the facility.<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">*Provide accelerator operations support including occasional call-in to achieve neutron production of >90% availability.<o:p></o:p></p>
<p class="MsoNormal">*Contribute to the development and execution of the Proton Power Upgrade project.<o:p></o:p></p>
<p class="MsoNormal">*Evaluate and upgrade existing modulator systems to improve performance and address obsolescence issues.<o:p></o:p></p>
<p class="MsoNormal">*Operate and upgrade multiple modulator test stands to support development and testing activities.<o:p></o:p></p>
<p class="MsoNormal">*Specify, develop and procure modulator subsystems and components.<o:p></o:p></p>
<p class="MsoNormal">*Plan and manage maintenance and upgrade work.<o:p></o:p></p>
<p class="MsoNormal">*Develop documentation and procedures for modulator and ancillary systems.<o:p></o:p></p>
<p class="MsoNormal">*Ensure compliance with environmental, safety, health and quality program requirements.<o:p></o:p></p>
<p class="MsoNormal">*Maintain a strong commitment to the implementation and perpetuation of values, ethics and diversity.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Authority/Approval Levels:<o:p></o:p></b></p>
<p class="MsoNormal">Provides work direction to engineers, technicians, research mechanics, subcontractors, and vendors within guidelines<o:p></o:p></p>
<p class="MsoNormal">established by the Electrical and RF Systems Group Leader. Initiates procurement of materials and services.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Qualifications Required:<o:p></o:p></b></p>
<p class="MsoNormal">*MS in Electrical Engineering or related field.<o:p></o:p></p>
<p class="MsoNormal">*Comprehensive understanding of power electronics, electromagnetic fields, very high power semiconductor devices and<o:p></o:p></p>
<p class="MsoNormal">pulsed power systems exceeding 100 kV.<o:p></o:p></p>
<p class="MsoNormal">*Ability to quickly grasp complex technical problems.<o:p></o:p></p>
<p class="MsoNormal">*Experience designing and maintaining high power magnetics.<o:p></o:p></p>
<p class="MsoNormal">*Expertise in troubleshooting and use of standard laboratory test equipment.<o:p></o:p></p>
<p class="MsoNormal">*Ability to lead a team of engineers and technicians in a project environment.<o:p></o:p></p>
<p class="MsoNormal">*A strong background in applying electrical safety principles in a setting that includes severe electrical hazards.<o:p></o:p></p>
<p class="MsoNormal">*Must be highly motivated, self-directed and able to work in a team environment.<o:p></o:p></p>
<p class="MsoNormal">*Excellent written and verbal communications skills.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Preferred Qualifications:<o:p></o:p></b></p>
<p class="MsoNormal">*Knowledge of AC power distribution concepts to medium voltage levels.<o:p></o:p></p>
<p class="MsoNormal">*Knowledge of high power RF systems.<o:p></o:p></p>
<p class="MsoNormal">*Experience with circuit simulation, finite element electromagnetic analysis, mechanical CAD and printed circuit board design<o:p></o:p></p>
<p class="MsoNormal">software and tools.<o:p></o:p></p>
<p class="MsoNormal">*Experience generating documentation for large >$1M procurements.<o:p></o:p></p>
<p class="MsoNormal">Work Directions and Interfaces<o:p></o:p></p>
<p class="MsoNormal">*Reports to the High Voltage and Pulsed Power Systems Manager.<o:p></o:p></p>
<p class="MsoNormal">*Takes direction from the Electrical and RF Systems Group Leader and the High Voltage and Pulsed Power Systems<o:p></o:p></p>
<p class="MsoNormal">Manager.<o:p></o:p></p>
<p class="MsoNormal">*Interfaces with Electrical and RF Systems Group members, SNS staff, professional peers from non-ORNL institutions,<o:p></o:p></p>
<p class="MsoNormal">ORNL business services, vendors and visitors.<o:p></o:p></p>
<p class="MsoNormal">*Represents group activities and interests within ORNL and at professional conferences, workshops, and collaboration<o:p></o:p></p>
<p class="MsoNormal">meetings.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Measures of Effectiveness:<o:p></o:p></b></p>
<p class="MsoNormal">*Success in the fulfillment of all major duties and responsibilities.<o:p></o:p></p>
<p class="MsoNormal">*Success as measured by the ORNL Employee Performance Management process.<o:p></o:p></p>
<p class="MsoNormal">*Safe execution of all responsibilities in accordance with ORNL ES&H requirements.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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