Transportation Engineer III/IV - Lead Design & Mentorship

Gonzalez Companies, LLC

St. Louis (MO)

On-site

USD 83,000 - 125,000

Full time

14 days+

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Benefits offered by this job

Major medical insurance
Dental insurance
Vision insurance
Flexible Spending Account
Health Savings Account
401K
Bonus program
Paid holidays and PTO
Professional development

Job summary

Gonzalez Companies is a partner managed firm providing Planning, Design, and Construction Management Services. We are seeking a Transportation Engineer (III/IV) in St. Louis, MO, offering $40.00 - $60.00 per hour.

The role involves leading transportation design, mentoring junior engineers, and coordinating with agencies to deliver projects. The position requires a Civil Engineering degree, 5–12+ years of experience, PE license, and proficiency with MicroStation/OpenRoads / AutoCAD Civil 3D.

Qualifications

  • Bachelor’s degree in Civil Engineering or related discipline; Master’s preferred for higher-level roles.
  • Typically 5–12+ years of experience in transportation or roadway engineering with demonstrated technical competency.
  • Proficiency with MicroStation/OpenRoads and AutoCAD Civil 3D, including advanced geometric design and plan development.
  • Strong understanding of DOT, LPA, or municipal design standards, processes, and submittal requirements.
  • PE license required; ability to serve as Engineer of Record or lead discipline tasks at the IV level.

Responsibilities

  • Lead or contribute to the design and delivery of transportation projects (roadway geometrics, intersections, drainage, and traffic control).
  • Develop and review plans, models, and calculations using MicroStation/OpenRoads and AutoCAD Civil 3D.
  • Prepare design reports, cost estimates, technical memos, specifications, and milestone submittals for DOT, LPA, or municipal agencies.
  • Oversee and mentor junior engineers; coordinate tasks and review design documents.
  • Coordinate with project managers, clients, subconsultants, utilities, and permitting agencies to meet requirements and schedules.
  • Perform advanced engineering analyses, troubleshoot design challenges, and propose solutions.
  • Support or lead project planning, scope development, and discipline-level budgeting.
  • Participate in QA/QC reviews and ensure compliance with DOT, municipal, and industry standards.
  • Conduct occasional field investigations, site reviews, or construction support activities.

Skills

Civil Engineering
PE license
AutoCAD Civil 3D
MicroStation/OpenRoads
Mentoring
Project coordination
DOT standards

Education

Bachelor's degree in Civil Engineering
Master's degree (preferred)

Tools

MicroStation/OpenRoads
AutoCAD Civil 3D

Job description

Gonzalez Companies is a partner managed firm providing Planning, Design, and Construction Management Services. We are seeking a Transportation Engineer (III/IV) in St. Louis, MO, offering $40.00 - $60.00 per hour.

The role involves leading transportation design, mentoring junior engineers, and coordinating with agencies to deliver projects. The position requires a Civil Engineering degree, 5–12+ years of experience, PE license, and proficiency with MicroStation/OpenRoads / AutoCAD Civil 3D.

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