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Biogeochemistry - Postdoctoral Researcher
Lawrence Livermore National Laboratory
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Biogeochemistry - Postdoctoral Researcher

Lawrence Livermore National Laboratory

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Details
Posted:
February 10, 2021
Location:
Livermore, California
Salary:
Open

We have an opening for a Biogeochemistry Postdoctoral Researcher to develop and pursue innovative research in the analysis of reaction chemistry and thermodynamics at mineral-water interfaces. You will develop data mining, database development, machine learning, and traditional surface complexation modeling approaches for applications ranging from nuclear waste repository performance assessment to watershed and ecosystem water quality prediction. You will join an interdisciplinary team focused on development process-level understanding of radionuclide and metal biogeochemistry across a number of field research sites. This position is in Environmental Isotopic Signatures group of the Nuclear and Chemical Sciences Division.

In this role you will

  • Develop and pursue innovative research addressing advanced mineral-water interface biogeochemical modeling.
  • Develop optimization approaches to model sets of geochemical data using a state of the art machine learning and parameter estimation tools
  • Design and implement extrapolation methods to expand mineral-water interface geochemistry across a wide range of elements that span the periodic table.
  • Assist in development of conceptual and numerical approaches to integrating thermodynamics and surface complexation modeling in reactive transport models.
  • Document and publish research results in peer-reviewed scientific journals and present results at international conferences, present seminars and/or presentations at technical meetings.
  • Collaborate with other scientists and technical personnel to accomplish research goals.
  • Perform other duties as assigned.

  • PhD in Earth Sciences, Chemistry, Nuclear Engineering, Geology, or related field.
  • Experience using data science tools to interrogate datasets (e.g. Python, R, Jupyter Notebook, etc.).
  • Experience in thermodynamic and surface complexation modeling and data fitting codes (e.g. GWB, PHREEQC, CRUNCHFLOW, PEST, etc.).
  • Experience working in an interdisciplinary team of environment scientists.
  • Documented publication record in peer-reviewed literature with experience presenting research results to a large audience.
  • Proficient verbal and written communication and interpersonal skills to collaborate effectively in a multidisciplinary team environment and present and explain technical information.

Qualifications We Desire

  • Experience performing laboratory wet chemistry experiments related to biogeochemistry at interfaces.
  • Experience performing laboratory experiments to quantify biogeochemical processes controlling radionuclide and metal transport behavior
  • Experience working with an interdisciplinary team to develop conceptual and numerical models of reactive transport.

Internal Number: 3743990000025536
About Lawrence Livermore National Laboratory
For more than 60 years, the Lawrence Livermore National Laboratory has applied science and technology to make the world a safer place.Livermore’s defining responsibility is ensuring the safety, security and reliability of the nation’s nuclear deterrent. Yet LLNL’s mission is broader than stockpile stewardship, as dangers ranging from nuclear proliferation and terrorism to energy shortages and climate change threaten national security and global stability. The Laboratory’s science and engineering are being applied to achieve breakthroughs for counterterrorism and nonproliferation, defense and intelligence, energy and environmental security.
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