Lawrence Livermore National Laboratory

Postdoctoral Research Staff Member - Chemistry

Location: Livermore, CA
Category: Post Docs
Organization: Physical and Life Sciences
Posting Requirement: External w/ US Citizenship
Job ID: 102637
Job Code: Post-Dr Research Staff 1 (PDS.1)
Date Posted: August 11 2017

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Science and Technology on a Mission!

For more than 60 years, the Lawrence Livermore National Laboratory (LLNL) has applied science and technology to make the world a safer place.

We have an opening for a Postdoctoral Research Staff Member to conduct research in age- and environment-related changes to the dynamic properties and structure of polymer materials. You will actively participate in the research to develop experimentally informed models that can predict such changes on the scale of decades. This position is in the Materials and Analytical Spectroscopy / Spectrometry group of the Materials Science Division.
Essential Duties
- Investigate the kinetics and thermodynamics of the aging of elastomeric and other polymer systems, including systems which may or may not contain reinforcing fillers, and also of polymeric cellular foams.
- Develop mathematical models based on experimental data that allow for prediction of changes to polymer structure and material properties over many years, including estimations of statistical validity of the predictions (standard errors, confidence levels, etc.).
- Design and perform: time-temperature superposition studies of the chemical, structural, and dynamical properties under conditions of varying temperature, water content, and radiation exposure; and experiments to evaluate the rheological properties of polymers under various conditions.
- Conceive, design, and execute research to address defined problems.
- Pursue independent but complementary research interests, and interact with a wide spectrum of scientists internally and externally to the Laboratory.
- Collaborate with scientists in a multidisciplinary team environment to accomplish research goals.
- Maintain and establish laboratory protocols.
- Document research; publish papers in peer-reviewed journals, and present results within the DOE community and at conferences.
- Perform other duties as assigned.
- Recent PhD in physical chemistry, materials science, physics, chemical engineering, polymer science or related field.
- Experience in kinetics and thermodynamics of solid-state reactions, phase changes, sorption-desorption processes, and diffusional processes.
- Understanding of the concepts of reaction kinetics and time-temperature superposition.
- Proven ability as a creative experimentalist, and a diverse range of experience in experimental design, techniques and execution.
- Demonstrated ability to independently develop and execute original research as indicated through publication of peer-reviewed literature.
- Proficient verbal and written communication skills as reflected by effective presentations at seminars, meetings and/or teaching lectures.
- Willingness and ability to self-direct and work independently, and to collaborate on multidisciplinary teams as required to reach research goals.
Desired Qualifications
- Experience with MATLAB, COMSOL, or other modeling or simulation software.
- Experience in dielectric relaxation spectroscopy, polymer rheology, or structure determination from neutron scattering.
- Knowledge of isoconversional kinetic analysis, or polymer or glassformer physics.

Pre-Employment Drug Test:  External applicant(s) selected for this position will be required to pass a post-offer, pre-employment drug test.

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. In addition, all L or Q cleared employees are subject to random drug testing.  If you hold multiple citizenships (U.S. and another country), you may be required to renounce your non-U.S. citizenship before a DOE L or Q clearance will be processed/granted.


Note:   This is a two-year Postdoctoral appointment with the possibility of extension to a maximum of three years.  Eligible candidates are recent PhDs within five years of the month of the degree award at time of hire date.

About Us

Lawrence Livermore National Laboratory (LLNL), located in the San Francisco Bay Area (East Bay), is a premier applied science laboratory that is part of the National Nuclear Security Administration (NNSA) within the Department of Energy (DOE). LLNL's mission is strengthening national security by developing and applying cutting-edge science, technology, and engineering that respond with vision, quality, integrity, and technical excellence to scientific issues of national importance. The Laboratory has a current annual budget of about $1.8 billion, employing approximately 6,500 employees.

LLNL is an affirmative action/ equal opportunity employer. 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, protected veteran status, age, citizenship, or any other characteristic protected by law.

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