Radiofrequency Postdoctoral Researcher at LLNL

We have an opening for a Postdoctoral Researcher specializing in the area of epitaxial growth and semiconductor devices. You will be an integral part of a multi-disciplinary team supporting work in the areas of pulsed power high power microwaves and power electronics. This position is in the Materials Engineering Division (MED) within the Engineering Directorate. This position requires full-time on-site presence due to the nature of the work.In this role you will Conduct research in and development of radiofrequency and pulsed power systems.Design build and test radiofrequency devices and components such as transistors amplifiers circulators antennas non-linear transmission lines and oscillators.Work closely with an interdisciplinary team consisting of engineers technicians and integration experts from LLNL in all aspects of device and system development to complete project goals.Publish research results in peer-reviewed scientific or technical journals and present results at external conferences seminars and/or technical meetings.Pursue independent (but complementary) research interests and interact with a broad spectrum of scientists internally and externally.Perform all assignments safely in accordance with ES&H security and business practice requirements and policies.Perform other duties as assigned.Qualifications : Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. Citizenship.PhD in Electrical Engineering Physics or related fields.Significant experience with design of radiofrequency devices including software such as CST HFSS Comsol ADS or Ansys.Experience with one or more of the following areas: device characterization antenna measurements radiofrequency characterization microfabrication.Ability to write and operate software (e.g. MATLAB PYTHON LABVIEW) for data collection and analysis.Ability to perform as an innovative experimentalist with a broad range of experience in experimental design measurement and data acquisition techniques including developing innovative solutions to scientific and technical problems.Ability to develop independent research projects through publication of peer-reviewed literature.Initiative and interpersonal skills and ability to succeed in a collaborative multidisciplinary team environment.Proficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information.Additional Information : #LI-OnsitePosition InformationThis is a Postdoctoral appointment with the possibility of extension to a maximum of three years open to those who have been awarded a PhD at time of hire date.Why Lawrence Livermore National LaboratoryIncluded in 2025 Best Places to Work by Glassdoor!Flexible Benefits Package401(k)Relocation AssistanceEducation Reimbursement ProgramFlexible schedules (*depending on project needs)Our values - visit  ClearanceThis position requires a Department of Energy (DOE) Q-level clearance.  If you are selected we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. Pre-Employment Drug TestExternal applicant(s) selected for this position must pass a post-offer pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.Wireless and Medical DevicesPer the Department of Energy (DOE) Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. 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The Employee Privacy Notice can be accessed here.Remote Work : NoEmployment Type : Full-time Key Skills Intelligence Community Experience,Python,Spss,Microsoft Word,R,Regression Analysis,Windows,Stata,Microsoft Powerpoint,Research Experience,Data Modeling,Writing Skills Experience: years Vacancy: 1