GSFC Post Doc in Polarization

Submission Information
Publish Date: 
Friday, May 4, 2018
Archive Date: 
Friday, June 15, 2018
Job Summary
Job Category: 
Post-doctoral Positions and Fellowships
Institution Classification/Type: 
Large Academic
University of Maryland, Baltimore County
Department Name: 
Center for Space Science and Technology
Street Line 1: 
1000 Hilltop Circle
United States of America
Job Announcement Text: 

Applications are now being accepted for a Post-Doctoral Research Associate to work on the development of polarization sensitive detectors at NASA/GSFC, funded through the University of Maryland, Baltimore County (UMBC) and the Center for Research and Exploration in Space Science and Technology II (CRESST II), in conjunction with the GSFC X-ray Astrophysics Laboratory.


The successful candidate would be joining a small group of scientists in the X-ray Lab, working to develop the first sensitive survey of the X-ray polarization of black hole and neutron star sources. Polarization is expected to yield clues to the geometry and emission mechanisms not available via other observational channels.


This Goddard group continues to develop gas filled, polarization sensitive, detectors that exploit the intrinsic sensitivity of the photoelectric effect to polarization. Efforts have focused on the Time Projection readout technique, which offers the highest possible detector quantum efficiency. Current efforts focus on increasing sensitivity at energies above 10 keV with Argon based mixtures at working pressures of a few atmospheres as well as increasing sensitivity by reducing diffusion effects. They are developing robust, insulator free, multiplication stages, and are also investigating the printing of custom electrodes on 3-dimensional surfaces. These technologies will be applied to gas mixtures which emphasize ion drift (minimizing the effects of diffusion) but which introduce considerations of material selection, cleanliness, and gain stability.


Applicants should hold a Ph.D. in astrophysics or a related field. Experience in any of the following disciplines, while not required, is desirable: gas proportional counters, charge transport, charge amplification electronics, high vacuum components, high voltage, computer-controlled data acquisition.


For best consideration submit a Curriculum Vita, list of publications, statement of research interests, and contact information for three references by June 15, 2018 (application materials will be accepted until the position is filled) to:

Polarization Detectors
Mail Code 660.8, NASA/GSFC
Greenbelt, MD 20771, or
Via e-mail to

Salary and benefits are competitive, commensurate with experience and qualifications. The position is available immediately. The initial appointment term will be one year, renewable. For more information about the proposed research, contact Dr. Keith Jahoda ( For information on CRESST II or positions with UMBC, contact Dr. Jane Turner (

The University of Maryland, Baltimore County is an Affirmative Action, Equal Opportunity Employer. We are committed to building a diverse team and encourage applications from women, racial and ethnic minorities, individuals with disabilities and veterans.

Pay Compensation
Compensation Notes: 
Salary and benefits are competitive, commensurate with experience and qualifications.
Application Deadline: 
Friday, June 15, 2018
Selection Deadline: 
Friday, July 13, 2018
Current Status of Position: 
Accepting Applicants
Apply to Job
Attention To: 
Virginia Peles
Program Management Specialist
Street Line 1: 
NASA GSFC Code 660.8 Building 28, Rm W272
Zip/Postal Code: 
United States of America
Inquiries About Job
Attention To: 
Dr. Keith Jahoda
GSFC Post Doc in Polarization