Traffic Designer / EIT — Multimodal Mobility Innovator

HDR; St. Louis (MO); On-site; USD 52,000 - 74,000; Full time

Job summary

HDR is seeking a Traffic Designer/EIT to join our Midwest transportation team, focusing on Missouri and Kansas projects. You will perform multimodal transportation analyses, support design efforts, and help manage large data sets for municipal and larger system interchanges.

The role emphasizes collaboration across disciplines in HDR's employee‑owned culture, with opportunities to contribute to design, safety analyses, and corridor studies while growing your professional credentials.

Qualifications

• Bachelor's degree in a field related to transportation or civil engineering.
• 0-2 years of relevant experience in traffic engineering and multimodal analysis.
• Proficiency with CAD software, especially MicroStation.
• Experience with traffic operational software such as Synchro and VISSIM.
• Familiarity with GIS and travel-demand forecasting is a plus.

Responsibilities

• Operational analysis using both microsimulation and deterministic models.
• Traffic design including signals, signing/marking, and ITS.
• MOT planning and analysis for maintenance of traffic.
• Multimodal safety analyses including bicycle, pedestrian, and transit studies.
• Support for transportation planning efforts and corridor studies.
• Use of large datasets to support model-building and multimodal analysis.

Skills

Traffic engineering analysis

Multimodal analysis

CAD / MicroStation

Synchro & VISSIM

GIS

Programming (VBA, Python, JavaScript,R

Education

Bachelor's degree

Tools

MicroStation

GIS software

Microsoft Office

Infor/other traffic software

Job description

HDR is seeking a Traffic Designer/EIT to join our Midwest transportation team, focusing on Missouri and Kansas projects. You will perform multimodal transportation analyses, support design efforts, and help manage large data sets for municipal and larger system interchanges.

The role emphasizes collaboration across disciplines in HDR's employee‑owned culture, with opportunities to contribute to design, safety analyses, and corridor studies while growing your professional credentials.