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Traffic Engineer

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Onsite

Traffic Engineer

TWM, Inc.

Traffic Engineer

Skills

Business Development

2 months ago

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Important information


Contract type:

Permanent

Salary:

$85,000 – $125,000 / year

Location:

St. Louis, MO, USA

Work mode:

Onsite

Published on:

8 September 2026

What they need


TWM is seeking an experienced Traffic Engineer to join our Transportation Engineering team. Based in any TWM office, this position will involve working on a variety of transportation and traffic engineering projects while collaborating with professionals across the firm.

Experience Level: At least 5-10 years of post-bachelor’s degree experience in transportation and/or traffic engineering

Schedule: Full-time, 40 hours/week

Salary: $85,000-$125,000/year – salary is commensurate with experience

Location: Based in any TWM office

Essential Job Functions:

  • Perform traffic analysis and modeling
  • Prepare traffic impact studies, including trip generation, traffic projection distributions, etc.
  • Complete intersection design studies, intersection capacity analyses, traffic signal and turn lane warrant analyses
  • Assist in TMP, MOT, and other traffic-related designs that support overall roadway projects
  • Perform roadside safety and crash analyses
  • Provide recommendations for countermeasures and safety improvements

Qualifications Desired:

  • BS in civil or traffic/transportation engineering with at least 5-10 years of post-graduation experience
  • Professional Engineer license in Tennessee, Illinois, or Missouri (or the ability to obtain)
  • Professional Traffic Operations Engineer (PTOE) certification is a plus
  • Knowledge of transportation and traffic engineering principles and standards, and ability to interpret and apply in various situations
  • Knowledge of traffic analysis software such as Synchro/Sim Traffic, HCS, and SIDRA
  • Familiarity with the Manual on Uniform Traffic Control Devices (MUTCD) and the AASHTO Green Book
  • Design skills using MicroStation and/or AutoCAD Civil 3D
  • Direct experience with DOT, local county, municipal, and/or developer-driven transportation and traffic projects preferred
  • Ability to compose recommendations and clearly communicate analysis and recommendations in written reports
  • Capability and desire to assist with business development and client relationships is a plus
  • Willingness to represent TWM at conferences and professional societies is a plus
  • Experience in the following would also be a plus:
  • Corridor/analysis modeling
  • Traffic signal design, signal timing optimization
  • Field traffic observation and adjustments of controller boxes
  • Intelligent Transportation System design

Benefits Summary:

Competitive salary and fringe benefits with exceptional bonus incentives. Starting salary is dependent upon personal knowledge, skill and ability. Regular salary reviews and non-contributory Employee Stock Ownership Plan, insurance, 401K, holidays, Paid Time Off, flexible schedules, flexible work location, and more. For a comprehensive list of our benefits, please visit our benefits page.

TWM is an established but growth-oriented consulting firm offering Civil & Structural Engineering, Land Surveying and other Geospatial services. A 100% ESOP-owned company and Top Workplace, TWM’s structure allows you to reap the rewards of your hard work. Each employee becomes an owner through a gift of company stock and has a vested interest in seeing the company succeed. We are different from most employers—and from other ESOP companies. Come experience what makes TWM unique!

TWM is an EEO/M/F/Vet/Disabled employer.

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