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NASA Atmospheric Modeling Programmer

Job ID: 2209356
Location: GREENBELT, MD, United States
Date Posted: Jun 29, 2022
Category: Software
Subcategory: SW Systems Engr
Schedule: Full-time
Shift: Day Job
Travel: Yes, 10 % of the Time
Minimum Clearance Required: None
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: No Remote
Benefits: Click here

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Job Description



SAIC is seeking an Atmospheric Model Support Scientific Programmer/Analyst to support the Global Modeling and Assimilation Office (GMAO) at NASA Goddard Space Flight Center in Greenbelt, MD.   Successful candidate will be a member of the model and software Integration/Test/Validation development teams with the GMAO, taking part in our efforts to support the development of NASA’s Global Earth Observing System (GEOS) model.

This position is designed for an early-career scientific software engineer with experience executing and validating large scientific codes on modern high-performance computing (HPC) platforms. This person will serve as an atmospheric integration/testing/validation (ITV) developer for the GEOS Earth system model software component. The selected person will be responsible for integrating scientific and engineering updates from lead developers of GEOS into valid engineering and release tags, executing and maintaining a suite of standard testing and evaluation runs for the GEOS atmospheric model component, and publishing results from a standard GEOS model validation package for all candidate system releases. The selected candidate will also support the maintenance and modernization of the existing ITV suite for the GEOS atmospheric component in support of the scientific needs of lead GEOS model developers.


The selected candidate also will develop software and utilities as necessary to support model  development, testing and evaluation across the applications of GEOS as well as provide support for collaborations with investigators.



The primary expertise for a strong candidate will be a background in software development for large scientific codes and testing and evaluation on large HPC platforms. The successful candidate will also be detailed oriented, have excellent time management skills, and the ability to coordinate between diverse groups of multidisciplinary expertise.

Required Qualifications:

  • Bachelor's degree in computer science or related field; along with 4+ years of experience developing and maintaining large software systems, including scripts and configuration management to run complex scientific atmospheric models or their individual components and associated evaluation programs
  • Master’s degree in computer science or related field; along with a minimum of 2 years of experience developing and maintaining large software systems, including scripts and configuration management to run complex scientific atmospheric models or their individual components and associated evaluation programs
  • Experience should include significant work with parallel computing processes, languages, and hardware
  • Must have strong skills in scripting, and Fortran programming, using GIT, or other similar configuration management software


Desired Qualifications:

  • Python programming
  • Scientific visualization experience
  • Familiarity with earth science data formats
  • Basic webpage design

Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site.


SAIC® is a premier Fortune 500® technology integrator driving our nation's technology transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, digital, artificial intelligence, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are more than 26,500 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer, fostering a respectful work culture based on diversity, equity, and inclusion that values all contributors. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit

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