Hands-on development, calibration, validation, and application of travel demand models (trip-based and/or activity-based)
Implement, enhance, and maintain travel-demand models
Apply and refine mode choice models and advanced discrete choice frameworks
Develop and apply dynamic traffic assignment (DTA) and multimodal modeling approaches
Contribute to or develop model components, tools, or extensions in C++ or other high-performance languages, as appropriate
Diagnose and resolve model and code issues, ensuring robust, efficient, and reproducible outputs
Support integration between modeling platforms, scripting environments, and core software components
Lead technical discussions with clients while remaining actively involved in analytical work
Provide technical mentorship through code reviews, modeling guidance, and collaborative problem-solving
Contribute to automation, performance optimization, and workflow improvements
Support proposal development and technical approach writing

Bachelor’s degree in Engineering, Transportation Planning, Applied Mathematics, Computer Science, or related field
8 years of directly relevant, hands-on experience in travel demand modeling or demonstrated equivalency of experience and/or education
Demonstrated experience developing, calibrating, and applying models
Proficiency and experience with one or more platforms: Cube, TransCAD, VISUM, TRANSIMS, DTALite, DynusT, or similar
Ability to develop custom data analysis routines in Python, R, C++, or similar
Proficiency and experience with C++ or demonstrated aptitude and interest in developing modeling-related software components
Experience working with large datasets and model workflows/pipelines
Advanced skills and experience in Excel and data analysis
Experience with GIS platforms (ArcGIS Pro or QGIS)

Senior Transportation Planner / Engineer – Travel Demand Modeler

Key skills