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General Dynamics Information Technology Emissions Modeler in Fairfax, Virginia

Req ID: RQ167779

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: None

Job Family: Scientists


Air Quality Assessments,Air Quality Modeling,Researching


None - N/A


3 + years of related experience

US Citizenship Required:


Job Description:

GDIT provides air quality modeling support under two US Environmental Protection Agency contracts. The GDIT Air Quality Modeling program performs development, testing, implementation, and evaluation of emissions, meteorological, and air quality models.

  • Engages in initiating, designing, developing, executing, and implementing scientific research projects.

  • Plans and conducts scientific testing and prepares comprehensive technical reports, data reports, and other publications.

  • Develops theories for understanding, characterizing and organizing natural phenomena into a systematic and meaningful pattern for research into new process methods.

Required Qualifications:

  • BS, MS, or PhD in computer science, meteorology, or other scientific/mathematical field + 3 yrs experience

  • Prior experience with emissions models such as SMOKE

  • Experience working in a Linux operating system environment

  • Working knowledge of Unix scripting languages (e.g. bash, csh, sed, awk, perl)

  • Proficiency in Microsoft Word and Excel

Other Qualifications Desired:

  • Experience with supplemental emissions modeling tools, e.g. MOVES, SMARTFIRE2

  • Working knowledge of python, FORTRAN

  • Experience with GIS systems ArcGIS, QGIS and/or Google Earth

  • Working knowledge of SAS, R, database software MySQL

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee’s date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees.To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.