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Atmospheric Composition Data Assimilation Scientist

Job ID: 2216034
Location: COLLEGE PARK, MD, United States
Date Posted: Nov 2, 2022
Category: Engineering and Sciences
Subcategory: Scientist
Schedule: Full-time
Shift: Day Job
Travel: No
Minimum Clearance Required: None
Clearance Level Must Be Able to Obtain: Public Trust
Potential for Remote Work: Hybrid Remote
Benefits: Click here

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Job Description

Description

SAIC is seeking an Atmospheric Composition Data Assimilation Scientist to support the Environmental Modeling Center (EMC) of the National Centers for Environmental Prediction (NCEP) in carrying out research, development, and operational transition work related to atmospheric composition data assimilation for future operational applications of the Unified Forecast System (UFS).  The work location is at the NOAA Center for Weather and Climate Prediction (NCWCP) in College Park, MD.  Note:  This Hybrid role allows for 1-2 days per week to work remotely.

The Atmospheric Composition Data Assimilation Scientist will involve the development, execution, testing, and evaluation of the assimilation of satellite retrievals of nitrogen dioxide (NO2) for use in operational air quality prediction capabilities at NCEP.   The Atmospheric Composition Data Assimilation Scientist will perform the job duties in a collaborative environment, assisting developing and applying innovative methods for the primary work areas described below.

Job responsibilities to include, but not limited to:

  • Work with EMC scientists and external collaborators to develop atmospheric composition data assimilation capabilities for use in applications of the UFS, with emphasis on regional air quality prediction for the short range weather application. 
  • Develop new or enhance existing techniques for the improved assimilation of satellite NO2 retrievals
  • Focus on the use of NO2 retrievals from the TROPOMI instrument aboard the Sentinel-5p platform.  Future assimilation related developments will leverage and contribute to the Joint Center for Satellite Data Assimilation, including the Joint Effort for Data assimilation Integration (JEDI) project.
  • Develop and evaluate observation quality control procedures including data thinning or superobbing for TROPOMI NO2 retrievals
  • Design, setup, and execute impact assessment experiments and pre-implementation testing to facilitate possible transition to operations
  • Participate in technical infrastructure development such as collaborating with NCEP observation processing and dataflow groups to collect retrievals on operational systems

 

Qualifications

Required Education and Experience:

  • Bachelor’s Degree and two (2) years or more experience; OR Master’s Degree and zero plus (0+) years or more experience
  • US Citizen or Green Card holder with the ability to obtain a NACI clearance.  For the Green Card holder to qualify for the clearance they must have lived in the US for a minimum 3 years prior to application.  An EAD is not accepted.
  • Knowledge of data assimilation techniques (variational-based and/or ensemble methods)
  • Knowledge of the physical and mathematical basis of geophysical modeling (atmospheric and/or environmental) and experience running advanced numerical weather prediction (NWP) models
  • Knowledge and experience of modern programming languages such as object-oriented FORTRAN, Python, and/or C++
  • Experience working in a UNIX environment with advanced scripting languages
  • Good oral and written communication skills in English

Desired Experience:

  • Experience in running numerical models on High Performing Computer (HPC) platforms using MPI, OpenMP, Slurm, LSF, etc.
  • Experience with coupled earth system models.
  • Experience with air quality/chemistry/constituent modeling (e.g. CMAQ, WRF-Chem)
  • Experience using satellite-based retrievals of atmospheric constituents
  • Experience in model testing and evaluation and/or knowledge of verification principles.
  • Knowledge of modern software engineering practices (requirements gathering, design, prototyping, version control, integration, testing, and documentation).
  • Advanced understanding of atmospheric chemistry

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.

Overview

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 approximately 26,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer, fostering a culture of diversity, equity, and inclusion, which is core to our values and important to attract and retain exceptional talent. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.4 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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