Global Science & Technology, Inc.
  • Science
  • Lanham, MD, USA
  • Full Time

Global Science & Technology, Inc. (GST), a growing scientific and high technology company, seeks an experienced Instrument Calibration Scientist/Engineer to support NASA Hydospheric and Biospheric Sciences Support (HBS) contract.  Position is located in Lanham, MD.

Position Summary:

The Instrument Calibration Scientist/Engineer will support on-orbit calibration and characterization of optical Earth imaging sensors onboard current and upcoming NASA missions, such as JPSS-VIIRS and EOS-MODIS. It involves space remote sensing instruments' operations, performance analyses and sensor calibration throughout instruments' lifecycle. The Scientist/Engineer will monitor and independently assess instrument performance, develop and utilize software for processing the data from instrument systems (pre-launch and on-orbit data) and related ancillary data sources to generate the first level data products and performance assessments. The work also involves instrument characterization, algorithms' improvement, and modeling of sensor characteristics, as well as frequent interactions with the scientific user community to investigate instrument calibration and performance issues.

 Primary Duties:

  • Monitor and independently assess instrument performance
  • Improve and implement methodologies for the radiometric, spectral, and geometric calibration and validation of observations
  • Test and evaluate the different components of calibration algorithms
  • Investigate, monitor and derive solutions for potential anomalies related to satellite instruments
  • Support pre-launch and post-launch activities
  • Publishing research results in peer-reviewed journals
  • Participate in conferences

 Required Education/Skills/Experience:

  • M.S. degree or higher in Physics, Engineering, Computer Science or comparable field of study and a minimum of 4 years of related experience
  • Demonstrated experience with analysis software such as IDL, C++, and Python
  • Strong background in data analytics, and able to identify and perform research tasks
  • Excellent verbal and written communication skills are a must, as demonstrated by peer-reviewed publications and oral presentations made at major science conferences

Desired Experience/Skills:

  • Experience working with space sensors testing, calibration and characterization
  • Experience with thermal infra-red sensors and associated calibration algorithm and data analysis
  • Capable of working both independently and within a dynamic science team

Physical Qualification(s) Required:

  • Ability to use a computer.

Mental Qualification(s) Required:

  • Ability to think on one's feet.

US citizenship or Permanent Residency (Green Card holder) is required.

Selected applicants will be required to complete a federal government background investigation.

GST offers competitive salaries; vacation, sick, and holiday leave; major medical, dental, life, long-term and short-term disability insurance; 401K retirement plan; tuition assistance; and opportunities for employee career growth and development.

All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veterans' status.  GST is an Equal Opportunity/Affirmative Action Employer. 





Global Science & Technology, Inc.
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