27 days old

Postdoctoral Appointee - Ultrafast Chemical Dynamics

Livermore, CA 94550

Posting Duration:

This posting will be open for application submissions for a minimum of seven (7) calendar days, including the ‘posting date’. Sandia reserves the right to extend the posting date at any time.

COVID-19 Vaccination Mandate:

Sandia demonstrates its commitment to public safety in the national interest by requiring that all new hires be fully vaccinated or have an approved medical or religious accommodation before commencing employment. The requirement also applies to those who are telecommuting and working virtually.

Any concerns about the ability to meet this requirement should be directed to HR Solutions at (505) 284-4700.

What Your Job Will Be Like:

We are seeking multiple motivated postdoctoral experimentalists to work with Dr. Krupa Ramasesha on a newly funded DOE Early Career Award for studying ultrafast chemical dynamics that govern non-equilibrium electronic interactions between plasmonic/catalytic nanoparticles and molecules.

This project will investigate the mechanisms for energy and charge transfer between nanoparticles and molecules using cutting-edge experimental techniques, including both in-house and large-facility ultrafast soft X-ray spectroscopy (XANES and XPS) to unravel element-specific electronic dynamics and ultrafast broadband infrared spectroscopy to understand excited state vibrational dynamics.

On any given day, you will:

+ Operate ultrafast high-power laser systems and perform high-harmonic generation-based soft X-ray transient absorption experiments as well as soft X-ray absorption and X-ray photoelectron spectroscopy at free electron laser facilities

+ Perform ultrafast broadband infrared spectroscopy using a plasma-based source of supercontinuum infrared pulses

+ Analyze and interpret experimental results in collaboration with theorists and document findings in peer-reviewed publications

+ Assist with sample preparation and characterization

You will be expected to publish research in high-profile peer-reviewed scientific journals and present results at national and international conferences.

Qualifications We Require:

+ Ph.D. in chemistry, physics, materials science, or other relevant field

+ Experience with femtosecond amplified laser systems, nonlinear optics, and instrumentation

+ Ability to write peer-reviewed publications, evidenced by a strong publication record

Qualifications We Desire:

+ Strong background in excited state chemical dynamics and charge transfer

+ Experience with ultrafast infrared spectroscopy and/or ultrafast soft X-ray core-level spectroscopy

+ Experience working in free electron laser facilities and contributing to user proposals

+ Demonstrated ability to address complex problems creatively, and to work effectively both independently and in a team

+ Experience with MATLAB, LabVIEW, Python, and related software

About Our Team:

The Gas Phase Chemical Physics Department is part of Sandia National Laboratories’ Combustion Research Facility (CRF) in Livermore, California, where over 100 scientists, engineers, and technologists conduct basic and applied research. Under the principal sponsorship of the Department of Energy’s Office of Basic Energy Sciences, this department conducts fundamental experimental, theoretical and modeling research to develop a foundational understanding of gas phase and particulate chemistry, gas-surface interactions, and plasma chemistry. Research areas include chemical dynamics and spectroscopy, theoretical and experimental chemical kinetics, multi-phase interactions, and experimental diagnostics development.

About Sandia:

Sandia National Laboratories is the nation’s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs:

+ Challenging work with amazing impact that contributes to security, peace, and freedom worldwide

+ Extraordinary co-workers

+ Some of the best tools, equipment, and research facilities in the world

+ Career advancement and enrichment opportunities

+ Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)

+ Generous vacations, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance*

World-changing technologies. Life-changing careers. Learn more about Sandia at: http://www.sandia.gov*These benefits vary by job classification.

Security Clearance:

This position does not currently require a Department of Energy (DOE) security clearance.

Sandia will conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Furthermore, employees in New Mexico need to pass a U.S. Air Force background screen for access to Kirtland Air Force Base. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause access to be denied or terminated, resulting in the inability to perform the duties assigned and subsequent termination of employment.

If hired without a clearance and it subsequently becomes necessary to obtain and maintain one for the position, or you bid on positions that require a clearance, a pre-processing background review may be conducted prior to a required federal background investigation. Applicants for a DOE security clearance need to be U.S. citizens. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted.

Members of the workforce (MOWs) hired at Sandia who require uncleared access for greater than 179 days during their employment, are required to go through the Uncleared Personal Identity Verification (UPIV) process. Access includes physical and/or cyber (logical) access, as well as remote access to any NNSA information technology (IT) systems. UPIV requirements are not applicable to individuals who require a DOE personnel security clearance for the performance of their SNL employment or to foreign nationals. The UPIV process will include the completion of a USAccess Enrollment, SF-85 (Questionnaire for Non-Sensitive Positions) and OF-306 (Declaration of for Federal Employment). An unfavorable UPIV determination will result in immediate retrieval of the SNL issued badge, removal of cyber (logical) access and/or removal from SNL subcontract. All MOWs may appeal the unfavorable UPIV determination to DOE/NNSA immediately. If the appeal is unsuccessful, the MOW may try to go through the UPIV process one year after the decision date.


All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status and any other protected class under state or federal law.

Position Information:

This postdoctoral position is a temporary position for up to one year, which may be renewed at Sandia's discretion up to five additional years. The PhD must have been conferred within five years prior to employment.

Individuals in postdoctoral positions may bid on regular Sandia positions as internal candidates, and in some cases may be converted to regular career positions during their term if warranted by ongoing operational needs, continuing availability of funds, and satisfactory job performance.

Job ID: 683507



  • Engineering
Posted: 2022-06-08 Expires: 2022-07-08

 World-changing technologies. Life-changing careers.

National security is our business. We apply science to help detect, repel, defeat, or mitigate threats.

For more than 60 years, Sandia has delivered essential science and technology to resolve the nation's most challenging security issues.

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Postdoctoral Appointee - Ultrafast Chemical Dynamics

Sandia National Laboratories
Livermore, CA 94550

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