Jobs · Engineering · Missouri

Transportation Project Engineer III/IV

Gonzalez Companies, LLC · St Louis, MO · 2 mo ago
On-siteEngineering$40–$60/hrFull-time

Primary Responsibilities

  • 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 3D.
  • Prepare design reports, cost estimates, technical memos, specifications, and milestone submittals for DOT, LPA, or municipal agencies.
  • Oversee and guide junior engineers, providing mentorship, task coordination, and quality review of design documents.
  • Coverage with project managers, clients, subconsultants, utilities, and permitting agencies to ensure project requirements and schedules are met.
  • Perform advanced engineering analyses, troubleshoot design challenges, and propose effective technical solutions.
  • Support or lead project planning, scope development, and discipline-level budgeting as experience allows.
  • Conduct occasional field investigations, site reviews, or construction support activities.

Requirements

  • 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/or AutoCAD Civil 3D, including advanced geometric design and plan development.
  • Strong understanding of DOT, LPA, or municipal design standards, processes, and submittal requirements.
  • Ability to produce, review, and refine engineering calculations, design packages, cost estimates, and technical documents.
  • PE license required; ability to serve as Engineer of Record or lead discipline tasks at the IV level.
  • Proven ability to mentor junior staff, coordinate tasks, manage portions of projects, and communicate effectively with clients and internal teams.
  • Strong analytical, problem-solving, and decision-making skills with the ability to work independently on complex assignments.

Qualifications

  • Must have a valid driver’s license.
  • Must be able to travel up to 75% of the time.

Skills

  • Advanced proficiency in MicroStation/OpenRoads and/or AutoCAD Civil 3D.
  • Experience with DOT, LPA, or municipal design standards and processes.
  • Excellent communication and interpersonal skills.
  • Strong organizational and time management skills.
  • Ability to work independently and as part of a team.

Benefits

  • Competitive salary
  • Major medical, dental and vision insurance
  • Flexible Spending Account
  • Health Savings Account
  • 401K
  • Bonus program
  • Paid holidays and generous paid time off
  • Professional development

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