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<p class="MsoNormal"><b>ORNL Publications<o:p></o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Job Posting Title<o:p></o:p></b></p>
<p class="MsoNormal">Low Level Radio Frequency (RF) Engineer / NB50662777<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">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:<o:p></o:p></b></p>
<p class="MsoNormal">The LLRF Engineer will support operation, maintenance, repairs, and upgrades of the LLRF systems that are utilized for the<o:p></o:p></p>
<p class="MsoNormal">acceleration and manipulation of charged-particle beams in the SNS accelerator complex and execution of the Proton Power<o:p></o:p></p>
<p class="MsoNormal">Upgrade, a project that will double the 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">* Evaluate and improve the design of the LLRF systems to support the Research Accelerator Division’s mission to provide<o:p></o:p></p>
<p class="MsoNormal">high availability (>90%) neutrons for Neutron Science investigations.<o:p></o:p></p>
<p class="MsoNormal">* Develop new architectures and algorithms for upgrades of the LLRF systems used throughout the accelerator complex.<o:p></o:p></p>
<p class="MsoNormal">* Perform simulations of RF control systems in support of LLRF control system development.<o:p></o:p></p>
<p class="MsoNormal">* Develop and improve hardware description language (HDL) for systems utilizing field programmable gate arrays (FPGA).<o:p></o:p></p>
<p class="MsoNormal">* Develop control interfaces for custom hardware platforms utilizing LabView, C++, and EPICS software.<o:p></o:p></p>
<p class="MsoNormal">* Serve as a LLRF subject matter expert for the LLRF and Operations teams.<o:p></o:p></p>
<p class="MsoNormal">* Provide LLRF support for accelerator operations including occasional call-in and off-normal work hours.<o:p></o:p></p>
<p class="MsoNormal">* Perform failure analysis and study mean time to repair and mean time to failure data on LLRF systems to propose reliability<o:p></o:p></p>
<p class="MsoNormal">upgrades.<o:p></o:p></p>
<p class="MsoNormal">* Create and maintain documentation and procedures for LLRF equipment and ancillary systems.<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 technicians, research mechanics, subcontractors, and vendors within guidelines established by the<o:p></o:p></p>
<p class="MsoNormal">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">* B.S. degree in Electrical Engineering.<o:p></o:p></p>
<p class="MsoNormal">* Experience in the design of digital feedback control systems.<o:p></o:p></p>
<p class="MsoNormal">* Experience in FPGA code development using VHDL or Verilog.<o:p></o:p></p>
<p class="MsoNormal">* Demonstrated hands-on laboratory experience, especially with RF and microwave test equipment.<o:p></o:p></p>
<p class="MsoNormal">* 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">* M.S. degree in Electrical Engineering.<o:p></o:p></p>
<p class="MsoNormal">* Expertise in control system theory and techniques.<o:p></o:p></p>
<p class="MsoNormal">* Expertise in circuit design and printed circuit board layout.<o:p></o:p></p>
<p class="MsoNormal">* Expertise in computer programming using languages such as C++ and Labview.<o:p></o:p></p>
<p class="MsoNormal">* Experience with analog and RF simulation and modeling tools such as MATLAB, SPICE, and Microwave Office.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Work Direction and Interfaces:<o:p></o:p></b></p>
<p class="MsoNormal">* Reports to the LLRF Team Leader.<o:p></o:p></p>
<p class="MsoNormal">* Interfaces with Electrical and RF Systems Group members, NScD 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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