Transportation Project Engineer III/IV

Trilon Group
📍 St. Louis, Missouri, United States 💼 Full time 🕒 Posted June 12, 2026

Job Description

Description

Gonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. We are currently seeking a Transportation Engineer (III/IV) to help serve our connection of clients and community. If you’re hungry for knowledge, ready to make a difference and dedicated to providing personalized attention to our clients, we want you on our team. 

The projected range of compensation in Illinois for this job is $80,000 - $95,000.

Your Primary Responsibilities will include


  • Lead or contribute significantly to the design and delivery of transportation projects, including roadway geometrics, intersections, pedestrian facilities, drainage, and traffic control.

  • Develop and review engineering plans, models, and calculations using MicroStation/OpenRoads and/or AutoCAD Civil 3...

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Job Details

  • Location St. Louis, Missouri
  • Job Type Full time
  • Category Engineers
  • Posted Date June 12, 2026
  • Application Deadline July 22, 2026