Mid-level Traffic Engineer

LJB Inc.; Miamisburg (OH); On-site; USD 95,000 - 135,000; Full time

Job summary

LJB Inc. in Ohio seeks a Mid-level Traffic Engineer to support and grow our Transportation Practice in Dayton, Cleveland, or Columbus offices. You will perform traffic impact studies, assist with signal timing, and contribute to safety analyses while building strong client relationships.

This role offers the chance to work on meaningful infrastructure projects across Ohio, collaborate with senior engineers, and progress toward PE licensure while gaining experience with DOTs and industry tools.

Qualifications

• Bachelor’s degree in civil engineering is required.
• P.E. license is required.
• 4+ years of experience in traffic/transportation engineering.
• Experience with traffic studies, signal timing, and CAD/traffic tools.

Responsibilities

• Perform traffic impact studies and traffic operations analyses.
• Contribute to safety studies and signal system design.
• Develop and review signal timing plans and maintenance of traffic.
• Maintain client relationships and collaborate with other engineers.
• Occasionally visit work sites and report findings.

Skills

Traffic studies

Signal design

Project management

Client relations

Team collaboration

Site visits

Safety compliance

Education

Bachelor’s degree in civil engineering

P.E. license

Tools

Synchro/SimTraffic

HCS

SIDRA

TransModeler

AutoCAD/Open Roads Designer

Microsoft Office

Job description

Brief Description

Join a Growing National Engineering Firm Shaping the Future of Infrastructure! As a growing, forward-thinking firm, LJB Inc. is expanding our impact across the country by delivering innovative, community-focused engineering solutions. Founded in 1966, we specialize in civil and structural engineering, with additional expertise in geospatial, safety, and environmental services. Our broad technical capabilities and diverse client base have allowed us to deliver successful projects in all 50 states and several countries.

Within our Transportation Practice, LJB has spent more than five decades designing infrastructure that connects people, supports communities, and improves quality of life. As a full-service team, we bring deep technical expertise and a collaborative mindset to every project—creating safe, efficient, and forward-thinking transportation solutions.

We are currently seeking an experienced Mid-level Traffic Engineer to support and grow our Transportation Practice in one of our Ohio offices (Dayton, Cleveland, or Columbus).

Salary Range: $95,000-135,000 based upon experience, certifications, and regional market standards.

Benefits: View our 2026 Benefits Summary

Traffic Engineer Essential Functions

• Technical engineering responsibilities may include:
  • Traffic impact studies
  • Traffic operations analyses
  • Safety studies
  • Signal system design
  • Signal timing plans
  • Maintenance of traffic
  • Pavement markings and signage
  • Highway lighting design
  • Corridor studies
• Ability to identify project issues and facilitate resolution.
• Ability to analyze situations and identify ways to improve efficiency.
• Project/task management.
• Maintain client relationships.
• Ability to work in a team setting collaboratively with groups of other traffic and transportation/civil engineers.
• Occasionally visit work sites, monitoring project progress and reports findings.
• Ability to meet all safety requirements if/when visiting a work site.
• Other duties as assigned.

Traffic Engineer- Essential Credentials

Required Qualifications Education:

• Bachelor’s degree in civil engineering
• P.E. license
• 4+ years of experience
• Experience with tools such as Synchro/SimTraffic, HCS, SIDRA, TransModeler, AutoCAD/Open Roads Designer and Microsoft Office.

Preferred Qualifications

• PTOE certification.
• Experience working with state DOTs .
• Knowledge of the Highway Capacity Manual and ODOT Analysis and Traffic Simulation (OATS) Manual.

Core Skills

• Strong technical background with good client relationships.
• Strong written and verbal communication.

Why Join LJB?

This role offers the opportunity to take on meaningful traffic engineering work that directly shapes safer, more efficient transportation systems for communities across Ohio and beyond. As part of LJB’s growing Transportation Practice, you’ll contribute your technical expertise, collaborate with experienced professionals, and help deliver impactful infrastructure solutions while continuing to grow your career.

LJB Inc. is an equal opportunity employer and prohibits discrimination and harassment of any kind. We are committed to creating a diverse and inclusive workplace where all employees are valued, respected, and have the opportunity to succeed. Employment decisions are based on qualifications, merit, and business needs, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, marital status, or any other protected status under applicable law. If you are a self-starting individual who wishes to join an established team that believes in excellence in the workplace, this opportunity is for you.

Keywords: Traffic Engineer, Mid-level Traffic Engineer, PTOE, PE, Transportation