TWM, Inc.
Traffic Engineer
Skills
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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