[ES_JOBS_NET] FYI NASA Vacancy Announcement: Research Physical Scientist, AST, Atmospheric Chemistry and Dynamics, GS-1301-12/13, LA19D0008

Doddridge, Bruce G. (LARC-E303) bruce.doddridge at nasa.gov
Tue Dec 4 11:04:05 MST 2018


I wish to draw your attention to a new posting for a Research Physical Scientist in the Chemistry & Dynamics Branch here at NASA Langley Research Center, see below.  This is full-time permanent civil service position.

All eligible and qualified persons are encouraged to apply. Please also feel free to forward this announcement to your colleagues within the community as we wish to attract the broadest, most diverse and best possible pool of qualified candidates for the position. Contact Bruce Doddridge bruce.doddridge at nasa.gov, if you have questions about the position.
  Dr. Bruce G. Doddridge, Head
  Chemistry and Dynamics Branch, E303
  Science Directorate
  Mail Stop 401B
  NASA Langley Research Center
  Hampton, Virginia 23681-2199 USA
  Phone: 757-864-1713
  Fax: 757-864-4360
  Cell: 757-268-6659
  E-mail: Bruce.Doddridge at nasa.gov<mailto:Bruce.Doddridge at nasa.gov>


POSITION: Research Physical Scientist, AST, Atmospheric Chemistry and Dynamics, GS-1301-12/13, promotion potential to GS-14

LOCATION: Science Directorate, NASA Langley Research Center. Hampton, Virginia

OPENING DATE: November 27, 2018
CLOSING DATE: December 28, 2018
The Chemistry and Dynamics Branch located within the Science Directorate (SD) is seeking an individual to serve as an Aerosol Scientist for the Langley Aerosol Research Group Experiment (LARGE). The scientist will develop and apply active remote sensor systems and advanced in situ instruments to characterize atmospheric aerosols, clouds, trace gases and meteorological/dynamical processes.
The Scientist will lead a team providing expertise to the development, verification and scientific application of active remote sensing techniques to measure vertical profiles of aerosol/cloud optical properties. Work contributes to development of the next generation of airborne and spaceborne high spectral-resolution and differential absorption lidar instruments. Work requires leading the development, verification and documenting of algorithms for controlling instrument operation and retrieving calibrated atmospheric constituent data from complex signals in combination with ancillary platform and meteorological data. Responsibilities include leading the development and validation of complex, highly efficient instrument control and data acquisition software such as processing code to acquire multiple channels of polarized lidar signals and to retrieve trace-species concentration and wavelength-dependent aerosol/cloud extinction, backscattering, and depolarization data for real-time display and archival.
Provides leadership and expertise in characterizing and improving the performance of field-deployable in situ instruments for measuring aerosol and cloud properties for use in addressing NASA SMD and ARMD measurement objectives. Responsibilities include leading and conducting laboratory and field experiments to characterize, improve and document the performance of instruments designed to measure aerosol number densities, size distributions, mass loading, black carbon fraction, scattering/absorption/extinction coefficients, hygroscopic properties and bulk composition. Work will entail developing empirical methods for correcting data sets for sampling losses and biases and may also include characterizing and improving aircraft-mounted inlets and cloud probes designed to measure particle size, shape, phase and angular scattering.
Leads technicians and engineers in calibrating, integrating and operating lidar and/or in situ aerosol and cloud instruments at ground installations or onboard mobile platforms to support atmospheric/ocean studies, source characterizations, technology demonstrations, satellite instrument validation experiments and environmental assessments. Post-mission duties may include establishing measurement precision and accuracy using analyses that incorporates data from radiosondes, models and collocated satellite sensors, producing and archiving calibrated data sets and conducting collaborative analyses to address critical mission science and technology objectives. Results from instrument development activities and scientific data analyses are presented at science team meetings, conferences and in peer-reviewed publications.
Travel Required
Occasional travel - Travel may be required for training or other work-related duties.
Additional details are available at the following websites prior to the closing date:
If you are unable to open the web links, copy and paste the URL into your web browser to open.
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