Laser-Based Mass Spectrometry Postdoc: Isotope Analysis

LLNL

Livermore (CA)

On-site

USD 111,000 - 135,000

Full time

2 days ago

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Job summary

Lawrence Livermore National Laboratory (LLNL) invites applications for a Postdoctoral Researcher to develop resonance ionization mass spectrometry (RIMS) and commission a new RIMS instrument for nuclear forensics, cosmochemistry, and earth sciences. You will work with a diverse group of scientists on method development, data interpretation, and cross-instrument integration.

This full-time, on-site position is within the Trace Isotope and Element Signatures Group and offers opportunities across

Qualifications

PhD in a field of earth, chemical, or physical sciences having a close relationship to the technical capabilities and applications listed above.
Experience in one or more of the following: RIMS, LA-ICP-MS, SIMS, noble gas mass spectrometry. Including, demonstrated understanding of data reduction and analysis for these techniques, including integration of data streams from multiple instruments, such as noble gas and trace element data.
Demonstrated ability to operate, maintain, design, and construct laboratory equipment.
Experience in isotope ratio analysis of a range of elements in a variety of natural and synthetic materials.
Willingness to work with radioactive and radiologically controlled materials in accordance with approved procedures, training requirements, and safety controls.
Proficient written and verbal communication skills, and ability to develop and carry out independent research as demonstrated through publication of peer-reviewed literature.
A record of innovation in experimental design, techniques, and execution, and the ability to work independently as well as in multidisciplinary research teams.
Experience in uncertainty quantification for mass-spectrometric data using statistical and/or machine learning methods.
Experience with software development for hardware control, data acquisition, and data analysis in commonly used languages including Python, MATLAB, and/or LabVIEW.
Expertise with ultra-high-vacuum system development, operations and maintenance.
Experience working with radioactive and radiologically controlled materials in accordance with approved procedures, training requirements, and safety controls.

Responsibilities

Develop and apply new methods of isotopic and elemental analysis.
Propose and develop new applications for RIMS; for example, laser spectroscopy, environmental chemistry, and isotope geology.
Conduct both experimental and routine analyses of a variety of natural and manufactured materials to demonstrate existing and new capabilities; communicate results in oral and written reports.
Collaborate with scientists and technical personnel to carry out RIMS analysis and data interpretation for Earth science, nuclear nonproliferation, and nuclear forensics applications.
Participate in development of research plans and proposals.
Publish research results in peer-reviewed scientific or technical journals.
Present results at external conferences, seminars, and/or technical meetings.
Perform other duties as assigned.