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SANDAG Logo SANDAG · Research and Development

Transportation Researcher and Modeler

United States, San Diego 74422.00 - 147306.00 USD / Year · Job Posted March 05, 2026
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Job Description

Shape the Future of Transportation in Our Region. The Transportation Analysis and Modeling group plays a central role in how our region plans, invests in, and delivers transportation solutions. Our work informs billion-dollar decisions, advances climate goals, improves cross-border mobility, and prepares our communities for emerging technologies. Join the team responsible for designing and advancing one of the most sophisticated transportation modeling suites in the country. You will help maintain and enhance a portfolio of models, including the Activity-Based Model (ABM), Commercial Vehicle Model (CVM), Cross Border Model (CBM), and other analytical tools.

Job Responsibility

  • Perform various duties related to the development, maintenance, and improvement of SANDAG’s ABM, CVM, and CBM
  • Perform research and participate in the development of modeling features related to emerging transportation technologies, transformative modes, and shared mobilities
  • Assist with the development and maintenance of custom software applications to support transportation modeling
  • Ensure transportation modeling tools and analytical capabilities are credible and effective for policy analysis
  • participate in quality assurance and quality control processes
  • Maintain GIS networks of current and future roadway, transit, and active transportation projects
  • Analyze and understand model run forecasts including performance metrics and mapping, travel behavior and impacts
  • Perform analysis of large data sets and translate findings into digestible information to help inform various agency projects
  • Research, collect, and compile data
  • ensure accuracy of information
  • maintain databases, and documentation
  • Develop and prepare transportation model data visualizations
  • Participate in and support project matrix teams assembled for transportation modeling analysis required for long-range regional plans and highway and transit investment studies
  • Participate in the integration of transportation and land use models
  • coordinate with economic and demographic research staff to determine data interactions
  • Coordinate with the Applied Research and Performance Monitoring team to ensure current and accurate traffic and passenger count data are being used
  • Assist with the preparation and presentation of written, oral, and visual reports for dissemination to policy and stakeholder committees, member agencies, community groups, private organizations, and members of the public

Requirements

  • A bachelor’s degree in transportation modeling, computer science, mathematics, statistics, engineering, data science, management information systems, regional planning, geography, demographics, or a related field
  • One to two years (Level I and II) or three years (Associate level) of professional experience in transportation modeling, data analysis, and software development
  • Knowledge of the principles and practices of travel demand modeling and forecasting
  • Experience programming in languages such as Java, Python, R, and SQL
  • Experience using modeling software such as EMME to support large, complex model development and applications projects
  • Experience using geographic information system software such as ESRI ArcGIS or QGIS
  • Experience with data acquisition, compilation, and quality assurance/quality control methods
  • Experience with ESRI software to include feature creation, scripting, mapping, and spatial analytics
  • Experience with data visualization tools such as Power BI, Plotly, or Esri Experience Builder
  • Excellent organizational skills, attention to detail, and ability to maintain a high level of accuracy

Nice to have

  • Experience in development and/or the application of activity-based models is desirable
  • Experience with big/passive data and applications in travel demand modeling is preferable
  • Research and/or modeling autonomous vehicles, transformative modes, and shared mobilities are desirable
  • Experience with relational databases such as SQL Server is desirable
  • Knowledge of transportation network coding principals is preferable
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