Senior Transportation Planner – Travel Demand Modeler

This is a fully remote position, open to applicants in Virginia.

📋 Description

• Design, calibrate, validate, and implement trip-based and/or activity-based travel demand models.

• Execute, enhance, and uphold travel-demand models.

• Employ and improve mode choice models and advanced discrete choice frameworks.

• Create and implement dynamic traffic assignment and multimodal modeling strategies.

• Develop model components, tools, or extensions using C++ or other high-performance programming languages.

• Identify and resolve model and code issues to guarantee robust, efficient, and reproducible results.

• Integrate modeling platforms, scripting environments, and essential software components.

• Lead technical discussions with clients while being actively engaged in analytical tasks.

• Guide junior staff through code reviews, modeling advice, and collaborative problem-solving.

• Contribute to automation, performance enhancement, and workflow improvements.

• Assist in proposal development and technical writing.

• Support transportation planning and modeling projects across the Mid-Atlantic region and nationwide.

• Collaborate with a team of approximately 10 modelers.

⛳️ Requirements

• Bachelor’s degree in Engineering, Transportation Planning, Applied Mathematics, Computer Science, or a related field.

• 8 years of relevant, hands-on experience in travel demand modeling or equivalent experience and/or education.

• Proven experience in developing, calibrating, and applying models.

• Proficiency in one or more platforms such as Cube, TransCAD, VISUM, TRANSIMS, DTALite, DynusT, or similar.

• Capability to create custom data analysis routines in Python, R, C++, or similar languages.

• Proficient in C++ or demonstrated interest and aptitude in developing modeling-related software components.

• Experience working with large datasets and model workflows/pipelines.

• Advanced skills and experience with Excel and data analysis.

• Familiarity with GIS platforms like ArcGIS Pro or QGIS.

• Preferred experience with COG/TPB Gen2 Travel Model.

• Experience or familiarity with Activity-Based Models or COG/TPB Gen3 Travel Model.

• Background in implementing or supporting travel models for MPOs or DOTs.

• Knowledge of federal processes, including NEPA and FHWA/FTA guidelines.

• Experience with tolling and managed lane modeling.

• Familiarity with big data processing tools like RITIS, StreetLight, Replica, or TomTom.

• Experience in cloud environments such as AWS or Azure for model execution.

• Familiarity with Power BI or Tableau.

• Professional certification such as PE, PTP, or AICP is preferred.

• Interest and ability in software development beyond scripting, particularly in writing or modifying core modeling code in C++ and enhancing model performance, memory efficiency, or scalability.

• Must be eligible to work in the United States; sponsorship may be available for current visa holders in the U.S.

• Willingness to participate in in-person Day 1 onboarding at an AECOM office.

🏝️ Benefits

• Medical, dental, and vision benefits.

• Life and AD&D insurance.

• Disability benefits.

• Paid time off.

• Leaves of absence.

• Voluntary benefits and perks.

• Flexible work options.

• Well-being resources.

• Employee assistance program.

• Business travel insurance.

• Service recognition awards.

• Retirement savings plan.

• Employee stock purchase plan.

• Training and development programs.

• In-person Day 1 onboarding.