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Electrical Engineering/Radiofrequency – Postdoctoral Researcher

Lawrence Livermore National Laboratory
United Statesfull_timeVerifiedPosted 8 Jan 2026
💰 $135,060/yr($117,900/yr$135,060/yr)

About the role

Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory’s mission.

Pay Range

$117,900 - $135,060 Annually

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage.  An employee’s position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Job Description

We have an opening for a Postdoctoral Researcher specializing in the area of radiofrequency devices and systems. 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-Onsite

Position Information

This 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 Laboratory?

Security Clearance

This 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. 

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Company

Lawrence Livermore National Laboratory

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