Power Electronics Engineer

Requisition

Overview:

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. We are seeking a Power Electronics Engineer who will 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. Responsibilities include planning projects, developing specifications and procedures, designing and testing systems, and troubleshooting equipment. Reporting to the Electrical Power Conversion Group Leader, you will collaborate with ORNL staff, vendors, and external partners to drive innovation in neutron science within a world-class research environment.

Major Duties and 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.

• 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: ;/li>

• Deliver ORNL's mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote equal opportunity by fostering a respectful workplace - in how we treat one another, work together, and measure success.

Basic Qualifications:

• 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 on planning and managing major technical projects.

Preferred 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 Lab View, and operational experience with large accelerator facilities.

• Knowledge of Failure Mode Effects Analysis (FMEA) and implementation methods.

Benefits at ORNL:

We offer competitive pay and benefits programs to attract and retain hardworking people! The laboratory offers many employee benefits, including medical and retirement plans and flexible work hours, to help you and your family live happy and healthy. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also provided for convenience.

Other benefits include the following:
Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance,…