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Travel Demand Modeler
AECOMArlington, USA
Apply Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. Job Description AECOM is seeking aTravel Demand Modeler to join our Arlington, VA office, supporting a diverse portfolio of transportation planning and modeling projects across the Mid-Atlantic and nationwide. This role is suited for an early-career professional interested in developing technical expertise in travel demand modeling, data analysis, and modeling-related software tools. You will work within a collaborative team of approximately 10 modelers, supporting senior staff and contributing to model development, analysis, and project delivery. We are particularly interested in candidates with an interest in dynamic traffic modeling or Activity-Based Modeling (ABM), along with a demonstrated curiosity for coding and software development, including exposure to Python and/or C++. This is a hybrid work position, with flexibility depending on project needs. Key Responsibilities
- Support the development, calibration, validation, and application of travel demand models (trip-based and/or activity-based)
- Assist in implementing and maintaining travel demand models and related tools
- Support application of mode choice models and discrete choice frameworks
- Contribute to analyses using dynamic traffic assignment (DTA) and multimodal modeling approaches
- Assist with data preparation, model inputs, and performance evaluation
- Support troubleshooting of model runs and assist in resolving technical issues
- Help ensure quality, consistency, and reproducibility of modeling outputs
- Contribute to integration of modeling tools, scripts, and workflows
- Assist senior staff with technical documentation, reports, and presentations
- Collaborate with interdisciplinary teams of planners, engineers, and analysts
- Bachelor’s degree in Engineering, Transportation Planning, Applied Mathematics, Computer Science, or related field
- Basic programming experience in Python, R, C++, or similar languages
- Experience working with Excel and data analysis techniques
- Exposure to GIS platforms (ArcGIS Pro, QGIS)
- Master’s degree in a related field
- Relevant experience, including internships or academic research
- Strong problem-solving, analytical, and communication skills
- Exposure to travel demand modeling tools
- Interest in developing coding and analytical skills
- Academic or project exposure to Activity-Based Models (ABM) and/or Dynamic traffic modeling or network analysis
- Familiarity with or interest in COG/TPB travel demand models (Gen2 or Gen3) or travel modeling applications for MPOs or DOTs
- Learning or using C++ for modeling applications
- Writing efficient, well-structured code
- Exposure to Big data sources (RITIS, StreetLight, Replica, TomTom), visualization tools (Power BI, Tableau) and cloud environments (AWS, Azure)
- Interest in modeling workflows, automation, and emerging tools
- Relocation is not available for this position.
- Sponsorship for US employment authorization is not available now or in the future for this position.