Travel Demand Modeler

AECOM is seeking a Travel 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

Qualifications :

Minimum Requirements

• Bachelors 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)

Preferred Qualifications

• Masters 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

Additional Information :

• Relocation is not available for this position.
• Sponsorship for US employment authorization is not available now or in the future for this position.

At AECOM we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status AECOM benefits may include medical dental vision life AD&D disability benefits paid time off leaves of absences voluntary benefits perks flexible work options well-being resources employee assistance program business travel insurance service recognition awards retirement savings plan and employee stock purchase plan. 

AECOM is the global infrastructure leader committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities we solve our clients complex challenges in water environment energy transportation and buildings. Our teams partner with public- and private-sector clients to create innovative sustainable and resilient solutions throughout the project lifecycle from advisory planning design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at . 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts youll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills helping you build the career youve always envisioned. Here youll find a welcoming workplace built on respect collaboration and communitywhere you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. 

Remote Work :

No

Employment Type :

Full-time