Transportation Engineer III/IV - Lead Design & Mentorship

Gonzalez Companies, LLC; St. Louis (MO); On-site; USD 114,616,000 - 171,924,000; Full time

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.