Power Electronics Engineer

Oak Ridge National Laboratory

  • United States
  • $Excellent
  • Research facilities

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Job ref: 361


Pay Band:  Staff Member 2, Exempt
Relocation:  Domestic and International relocation assistance is available for this position.



As a Power Electronics Engineer, you will support operation, maintenance, repairs and upgrades of Magnet Power Supply, Kicker and Chopper systems in the SNS accelerator complex and execution of the Proton Power Upgrade (PPU), a project that will double the proton beam power capability of the facility. You will support on the installation of the PPU magnets and power supplies and the injection kicker upgrade. You will also assist in project planning, specification writing, and design validation testing for the magnets and power supplies for a future Second Target Station (STS) project.  This role reports to the Manager of Magnet Power Supply, Kicker and Chopper systems and takes direction from the Electrical and RF Systems Group Leader and the Magnet Power Supply, Kicker and Chopper Manager.  Interfaces include Electrical and RF Systems Group members, SNS staff, professional peers from non-ORNL institutions, ORNL business services, vendors and visitors.  

Major Duties and Responsibilities:

  • Provide accelerator operations support including occasional call-in to achieve neutron production of >90% availability.
  • Contribute to the development and execution of the Proton Power Upgrade project.
  • Evaluate and upgrade existing modulator systems to improve performance and address obsolescence issues.
  • Operate and upgrade multiple modulator test stands to support development and testing activities.
  • Specify, develop and procure modulator subsystems and components.
  • Plan and manage maintenance and upgrade work.
  • Develop documentation and procedures for modulator and ancillary systems.
  • Ensure compliance with environmental, safety, health and quality program requirements.
  • You will be expected to be willing to learn new skills and to train others
  • The SNS and HFIR facilities are in operation 24 hours per day and 7 days a week year round.  You may be occasionally required to support users and/or facilities during off hours or weekends.
  • As a member of the ORNL scientific community, you will be expected to commit to ORNL's Research Code of Conduct.  Our full code of conduct, and a statement by the Lab Director's office can be found here:  https://www.ornl.gov/content/research-integrity


Basic Qualifications:

  • BS in Electrical Engineering or related field
  • 2 or more years of relevant work experience
  • Comprehensive understanding of power electronics, electromagnetic fields, very high-power semiconductor devices and pulsed power systems exceeding 50 kV
  • Ability to quickly grasp complex technical problems
  • Experience designing and maintaining high power magnetics
  • Expertise in troubleshooting and use of standard laboratory test equipment
  • Ability to lead a team of engineers and technicians in a project environment
  • A strong background in applying electrical safety principles in a setting that includes severe electrical hazards
  • Must be highly motivated, self-directed and able to work in a team environment
  • Excellent written and verbal communications skills


Preferred Qualifications:

  • Knowledge of AC power distribution concepts to medium voltage levels
  • Knowledge of high power magnet power supplies and pulsed power systems used in accelerators
  • Experience with circuit simulation, finite element electromagnetic analysis, mechanical CAD and printed circuit board design software and tools
  • Experience generating documentation for design new designs and installation plans


About Neutron Sciences Directorate:

The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL) operates the High Flux Isotope Reactor (HFIR), the United States' highest flux reactor based neutron source, and the Spallation Neutron Source (SNS), the world's most intense pulsed accelerator based neutron source. Together these facilities operate 30 instruments for neutron scattering research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical sciences. HFIR also provides unique facilities for isotope production and neutron irradiation. To learn more about Neutron Sciences at ORNL go to: http://neutrons.ornl.gov.  

Benefits at ORNL:  UT-Battelle offers a quality benefits package, including a matching 401(k), contributory pension plan, paid vacation, and medical/dental plan options. Onsite amenities include a credit union, medical clinic, cafeteria, coffee stands, and fitness facilities.   
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 jobs.ornl.gov.

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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Oak Ridge National Laboratory

Oak Ridge National Laboratory

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