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Wetland Plant-Microbial-Soil Interactions - Postdoctoral Researcher

Lawrence Livermore National Laboratory
tuition reimbursement, 401(k), relocation assistance
United States, California, Livermore
Jan 31, 2026
Company Description

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.


Job Description

We are seeking a Postdoctoral Researcher to join a team of researchers studying plant-microbial-soil interactions in wetlands. This project is part of the Wetland Function and Resilience Scientific Focus Area (https://ess.science.energy.gov/wetland-function-and-resilience-sfa/) and seeks to understand and improve model representation of biogeochemical cycling in terrestrial wetlands. You will interrogate plant-microbe interactions in the soil using isotope tracing under controlled greenhouse conditions in combination with biogeochemistry and 'omics analyses. This opportunity is in the Environmental Isotope Systems group in the Nuclear and Chemicals Sciences (NACS) Division.

This position requires full-time on-site presence due to the nature of the work.

You will

  • Study biogeochemical cycling and plant-microbe interactions in wetlands and other terrestrial ecosystems.
  • Use 13C tracing, stable isotope probing, metatranscriptomics, metabolomics, and novel greenhouse mesocosms to answer unresolved questions in the field of wetland plant-microbe interactions.
  • Quantify and identify carbon sources and pathways that contribute to biological carbon dioxide and methane emissions using carbon isotopic techniques.
  • Publish research results in peer-reviewed scientific or technical journals and present results at external conferences, seminars, and/or technical meetings.
  • Contribute to the conception, design, and execution of research.
  • Manage technicians and interns who will assist you with your research.
  • Collaborate with Wetland SFA team members and technical personnel.
  • Perform other duties as assigned.

Qualifications
  • PhD in Microbial Ecology, Plant Biology, Soil Biogeochemistry, Ecosystem Science, or related field.
  • Experience conducting terrestrial plant-microbial ecology studies in laboratory, field, or greenhouse settings.
  • Experience with microbial bioinformatics and community statistical analysis.
  • Experience with wet-lab molecular (e.g., DNA or RNA extraction, PCR) or biogeochemical techniques
  • Demonstrated ability as an independent and innovative experimentalist.
  • Publication record in the peer-reviewed literature reflecting intellectual leadership and scientific creativity
  • Proficient verbal and written communication skills necessary to work in a multidisciplinary team environment, author technical and scientific reports and publications, and deliver scientific presentations.

Qualifications We Desire

  • Experience working with wetland plants and/or microbes.
  • Experience analyzing 'omics datasets (metagenomic, metatranscriptomic, or metabolomics).
  • Experience with stable isotope and isotopic tracing techniques.
  • Experience with trace gas analysis.

Pay

$123,048 Annually


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?

  • Included in 2026Best Places to Work by Glassdoor!
  • FlexibleBenefits Package
  • 401(k)
  • Relocation Assistance
  • Education Reimbursement Program
  • Flexible schedules (*depending on project needs)
  • Our values - visithttps://www.llnl.gov/inclusion/our-values

Security Clearance

None required.However, if your assignment is longer than 179 days cumulatively within a calendar year, you must go through the Personal Identity Verification process. This process includes completing an online background investigation form and receiving approval of the background check. (This process does not apply to foreign nationals.)

National Defense Authorization Act (NDAA)

The 2025 National Defense Authorization Act (NDAA), Section 3112, generally prohibits citizens of China, Russia, Iran and North Korea without dual US citizenship or legal permanent residence from accessing specific non-public areas of national security or nuclear weapons facilities. The restrictions of NDAA Section 3112 apply to this position. To be qualified for this position, Candidates must be eligible to access the Laboratory in compliance with Section 3112.

Pre-Employment Drug Test

External 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 Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the useand/or possession ofmobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area whereyou are not permitted to have a personal and/or laboratory mobile devicein your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.

Ifyou useamedical device, whichpairs with a mobile device,you must still follow the rules concerningthe mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities requireseparate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

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Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

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