Postdoctoral Appointee - High Heat Flux Testing

Sandia National Laboratories

Albuquerque, NM

ID: 7058708 (Ref.No. 668374)
Posted: July 25, 2019

Job Description

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. : Are you passionate about your work and dream of utilizing state-of-the-art facilities to explore solutions? Do you want to join a dynamic team that solves significant issues for our nation’s security? You could be the Postdoctoral Appointee we are seeking to support research and development related to thermal protection systems (TPS) in various thermal environments. You will plan and oversee the various stages of experiments, including: sample preparation, testbed architecture, instrumentation, and data analysis. Research will focus on the physics inside the ablator, namely: pyrolysis, heat conduction, and transpiration. You will show skills and interest in research spanning multiple disciplines, including: heat and mass transport, porous media, thermal degradation, non-equilibrium chemistry, and aerosciences. Key functions of this role include, but are not limited to: + Design experimental architecture and instrumentation for pyrolyzing samples under extreme heating in vacuum and pressurized environments + Advance understanding of complex thermochemical phenomena occurring inside an ablator during extreme heating + Optimize experimental setup and test conditions to target specific objectives of modeling team + Coordinate with team members to determine various thermophysical and chemical properties of materials before, during, and after thermal degradation + Understand and process data from instrumentation, especially: thermocouples, pyrometers, and radiometers + Engage with a team of experts from various related topic areas, including: modeling, uncertainty quantification, and materials characterization + Document findings in technical reports, publications, and presentations Are you ready for your next challenge? Join our team and achieve your goals while making a difference.

Required:
+ PhD, conferred within 5 years prior to approval, in Chemical Engineering, Mechanical Engineering, Aerospace Engineering, Materials Science/Engineering, Chemistry, or other related engineering or natural science field + Experience with experimental or computational analysis of thermal and/or energetic environments + Demonstrated research pedigree including peer-reviewed journal publications and conference presentations + Ability to obtain and maintain a DOE Q clearance (requires U.S. citizenship)

Desired:
+ Expertise in thermal protection systems, advanced aerospace composites, or reacting/pyrolyzing materials + Understanding of reaction kinetics, and equilibrium and non-equilibrium chemistry + Experience planning and building systems with thermocouples, pressure transducers, radiometers, and other instrumentation. + Experience processing experimental/computational data using Matlab or Python + Research record in material response in thermal/ablative environments, especially fire, irradiation, and reentry + Strong verbal and written communication skills and an ability to interact well with fellow technical workers with diverse technical backgrounds

Department Description:

The Fire Science and Technology Department performs experimental and phenomenological fire research to support Sandia's national security mission. The main focus of the department is to ensure the safety and security needs of nuclear weapons in normal and abnormal thermal environments. The department offers a spectrum of computational and experimental capabilities, combined with a problem-solving focus, for addressing fire-related challenges throughout the government, civilian, and industrial sectors. Efforts in the computational arena include development of physics-based subgrid models for phenomena important to fire dynamics, fire suppression and fire detection. The department maintains and operates state-of-the-art facilities for large-scale radiant heat, open-air, and enclosed fire testing. These facilities are used in conjunction with new diagnostics and experimental capabilities developed and employed to provide data for discovery, validation, and system qualification. The group interacts extensively with complementary technical organizations within the Engineering Sciences Center and across the laboratory. Staff members are also involved in national and international endeavors with colleagues in academia and government.

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 withamazingimpact 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 schedules, generous vacations,strongmedical 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:

Position requires a Department of Energy (DOE) Q-level security clearance. Sandia is required by DOE to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants for employment must be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship. 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. Applicants offered employment with Sandia are subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment.

EEO Statement:

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.



 

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