Power Electronics Engineer

Oak Ridge National Laboratory (ORNL) is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver ground-breaking solutions to compelling problems in energy and security.

About the role

We are seeking a Power Electronics Engineer to support the Electrical Power Conversion Group in the Research Accelerator Division (RAD), Neutron Sciences Directorate (NScD) at ORNL. As a Power Electronics Engineer at the Spallation Neutron Source (SNS), you will support the operation, maintenance, repair, and upgrades of high-voltage systems, including Converter Modulators, Magnet Power Supplies, Beam Kickers, and Choppers. You will report to the Electrical Power Conversion Group Leader and collaborate with ORNL staff, vendors, and external partners to drive innovation in neutron science within a world-class research environment.

Responsibilities

• Evaluate High Voltage Converter Modulators, power supplies, and kicker/chopper systems to enhance performance, availability, and address obsolescence.
• Support 24/7 SNS accelerator operations, including occasional after-hours call-ins to maintain 90% neutron production availability.
• Plan, manage, and implement maintenance and upgrades using work control tools.
• Develop and maintain documentation for design, installation, training, testing, maintenance, and procurement.
• Specify, procure, and develop subsystems and components.
• Present work at conferences, workshops, and sponsor reviews.
• Ensure compliance with environmental, safety, health, and quality standards.
• Collaborate on proposals for innovative accelerator electrical applications and train others.
• Commit to ORNL's Research Code of Conduct and align behaviors, priorities, and interactions with core values of Impact, Integrity, Teamwork, Safety, and Service.
• Promote equal opportunity by fostering a respectful workplace.

Requirements

• A BS in electrical engineering or a related field and at least 5 years of proven experience (MS degree in related field with 3 years of experience or PhD in a relevant field).
• Solid understanding of analog and digital circuits and electric circuit theory.
• Experience planning and managing major technical projects.

Qualifications

• Working knowledge of power electronics, high-power semiconductor devices, pulsed power systems (>50 kV), and electromagnetic fields.
• Expertise in designing, maintaining, and troubleshooting high-power electronics and magnetics, using standard lab test equipment.
• Proficiency in circuit simulation, mechanical CAD, PCB design tools, and finite element electromagnetic analysis software.
• Experience creating engineering documents, reports, and technical publications, including drawings, procedures, and specifications.
• Familiarity with AC power distribution (medium voltage), National Electric Code (NFPA-70E/B), and electrical safety in hazardous environments.
• Ability to guide engineers and technicians in project environments and solve complex technical problems.
• Experience programming FPGAs, PLCs, using LabView, and operational experience with large accelerator facilities.
• Knowledge of Failure Mode Effects Analysis (FMEA) and implementation methods.

Benefits

• Medical and retirement plans, including flexible work hours.
• On-site fitness, banking, and cafeteria facilities.
• Prescription Drug Plan, Dental Plan, Vision Plan.
• 401(k) Retirement Plan, Contributory Pension Plan.
• Life Insurance, Disability Benefits.
• Generous Vacation and Holidays, Parental Leave.
• Legal Insurance with Identity Theft Protection, Employee Assistance Plan.
• Flexible Spending Accounts, Health Savings Accounts.
• Wellness Programs, Educational Assistance, Employee Discounts.
• Relocation Assistance.