Senior or Principal Power Supply Electronics Engineer

Senior or Principal Power Supply Electronics Engineer Lawrence Berkeley National Lab’s (LBNL) Engineering Division and Advanced Light Source (ALS) has an opening for either a Senior Power Electronics Engineer (E20.3) or a Principal Power Electronics Engineer (E20.The engineer will be responsible for design work, planning and implementation, in collaboration with the Lead Power Supply Electronics Engineer as well as project management and other system engineers and scientists primarily within the ALS (Advanced Light Source) but also collaborating with the ALS-U (Advanced Light Source Upgrade) Project, other divisions, DOE labs, and the international accelerator community. This position is in the Engineering Division and is matrixed to the Advanced Light Source (ALS) Division. Conduct the study, development, testing and implementation of power supplies and related controllers for high stability, reliability and efficiency, including DC power supplies as well as pulsed power systems including those based on solid state and/or thyratron switching. Conduct the complex design of and maintain power supply test stands, and develop test procedures including tuning of PID control loops. Design highly stable and reliable unipolar and bipolar power supplies. Analyze power supply reliability and develop maintenance procedures based on MTBF for power electronics and associated hardware. Design of pulsed magnetics, including finite element analysis and circuit models to simulate system performance. Working in partnership with the Lead Power Supply Electronics Engineer, follow the product life cycle for developments and upgrade projects as follows: o Direct the production and installation of power conversion equipment, as well as provide support operations and maintenance of the system. Network with key contacts outside their own area of expertise to develop and maintain collaboration across diverse technical fields (accelerator physics, magnet design, controls, facilities engineering) to develop specifications and requirements for high stability power supplies. Present at design reviews for the ALS development and upgrade projects. Provide and maintain documentation of power electronics equipment. Working in partnership with the Lead Power Supply Electronics Engineer, coordinate cost and schedule estimates for power electronics projects. May have occasional foreign and domestic travel to attend reviews, visit vendors and attend conferences and workshops. Participate in developing electrical safety procedures for high voltage, current and/or energy devices. Requires a minimum of 8 years of related experience with a Bachelor’s degree; Minimum of 6 years of experience in power electronics, power supply or pulsed power R&D or design. Demonstrated experience in the design, development, testing and installation of pulsed power, power electronic, high-voltage, or high-current systems. Demonstrated strong technical understanding and experience in power conversion engineering and has provided creative solutions to a range of issues. Circuit design using power electronics devices including BJTs, MOSFETS and IGBTs Integration of equipment into highly complex systems Knowledge of electrical codes and electrical safety such as NEC, LOTO and NFPA 70E. Experience with Electrical CAD tools for schematic capture and PCB layout such as KiCad, Cadence/OrCAD, Altium, Siemens EDA / Mentor Graphics or equivalent. Experience with Analog, logic and mixed signal circuit design, analysis and simulation using SPICE, Simplorer, Saber, or similar. Experience with Mechanical design CAD modeling tools such as 2D AutoCAD or 3D SOLIDWORKS, Creo Parametric or equivalent. Experience with Electromagnetics analysis using 2D and 3D FEA simulation codes such as MAXWELL, OPERA or similar. Experience with Thermal analysis and design, and the use of Multiphysics FEA simulation codes. Experience with Programming skills such as MATLAB, FPGA languages, C/C++, and visual basics. Requires a minimum of 15 years of related experience with a Bachelor’s degree; Minimum of 12 years of experience in power electronics, power supply or pulsed power R&D or design. Demonstrated record of providing technical leadership in the design, development, testing and installation of pulsed power, power electronic, high-voltage, or high-current systems. Demonstrated technical leadership in developing advanced concepts for pulsed power, power electronic systems, or high-voltage/high-current systems. Demonstrated experience coordinating multidisciplinary projects in design or upgrade of complex pulsed power or power electronic systems. Demonstrated strong technical understanding and experience in power conversion engineering and has provided creative solutions to a range of issues. Circuit design using power electronics devices including BJTs, MOSFETS and IGBTs Integration of equipment into highly complex systems Knowledge of electrical codes and electrical safety such as NEC, LOTO and NFPA 70E. Experience with Electrical CAD tools for schematic capture and PCB layout such as KiCad, Cadence/OrCAD, Altium, Siemens EDA / Mentor Graphics or equivalent. Experience with Analog, logic and mixed signal circuit design, analysis and simulation using SPICE, Simplorer, Saber, or similar. Experience with Mechanical design CAD modeling tools such as 2D AutoCAD or 3D SOLIDWORKS, Creo Parametric or equivalent. Experience with Electromagnetics analysis using 2D and 3D FEA simulation codes such as MAXWELL, OPERA or similar. Experience with Thermal analysis and design, and the use of FEA multiphysics simulation codes. Experience with the EPICS (Experimental Physics and Industrial Control System) toolkit. Programming skills such as MATLAB, FPGA languages, C/C++, and visual basics. This is a full-time career appointment, exempt (monthly paid) from overtime pay. As a condition of employment, the finalist will be required to disclose if they are subject to any final administrative or judicial decisions within the last seven years determining that they committed any misconduct, are currently being investigated for misconduct, left a position during an investigation for alleged misconduct, or have filed an appeal with a previous employer . Work will be primarily performed at: Lawrence Berkeley National Lab, 1 Cyclotron Road, Berkeley, CA. In support of our rich community, all qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, or protected veteran status.

Created: 2025-10-03