Senior Traffic Engineer

IMSA-International Municipal Signal Association; Columbia (MD); On-site; USD 110,000 - 140,000; Full time

Job summary

GPI is seeking an experienced Senior Traffic Engineer to join our Transportation practice in Columbia, MD. This leadership role focuses on delivering complex traffic and mobility solutions for state, county, and municipal clients, while mentoring staff and growing client relationships.

You will lead traffic studies, design signals, and corridor evaluations, and develop modeling analyses using Synchro, HCS, VISSIM, or TransModeler.

Qualifications

• Bachelor's degree in Civil Engineering is required; master's preferred.
• Professional Engineer (PE) license required.
• 8+ years of traffic engineering and transportation planning experience.
• Experience with traffic operations, roadway safety analyses, traffic signal systems, and studies.
• Proficiency with Synchro, HCS, VISSIM, TransModeler, or similar software.
• Familiarity with Maryland DOT, local standards, and MUTCD preferred.

Responsibilities

• Lead traffic engineering and transportation planning projects for state, county, and municipal clients.
• Perform and oversee traffic impact studies, operational analyses, safety studies, signal design, and corridor evaluations.
• Manage project schedules, budgets, and deliverables while ensuring technical excellence.
• Develop traffic modeling and simulation analyses using industry-standard software.
• Coordinate with clients, regulatory agencies, and multidisciplinary project teams.
• Mentor junior engineers and support staff development initiatives.
• Participate in business development activities, proposal preparation, and client presentations.
• Support strategic growth initiatives within the transportation practice.

Skills

Traffic engineering

Project management

Leadership

Client relations

Communication

Education

Bachelor's degree in Civil Engineering

Master's degree preferred

Professional Engineer (PE) license

Tools

Synchro

HCS

VISSIM

TransModeler

Job description

Shape the Future of Transportation in the Mid-Atlantic Region

GPI is seeking an experienced Senior Traffic Engineer to join our growing Transportation practice in Columbia, MD. This leadership opportunity is ideal for a motivated professional who thrives on solving complex traffic and mobility challenges while leading projects, mentoring staff, and building strong client relationships.

Responsibilities

• Lead traffic engineering and transportation planning projects for state, county, and municipal clients.
• Perform and oversee traffic impact studies, operational analyses, safety studies, signal design, and corridor evaluations.
• Manage project schedules, budgets, and deliverables while ensuring technical excellence.
• Develop traffic modeling and simulation analyses using industry-standard software.
• Coordinate with clients, regulatory agencies, and multidisciplinary project teams.
• Mentor junior engineers and support staff development initiatives.
• Participate in business development activities, proposal preparation, and client presentations.
• Support strategic growth initiatives within the transportation practice.

Qualifications

• Bachelor's degree in Civil Engineering required; Master's degree preferred.
• Professional Engineer (PE) license required.
• 8+ years of traffic engineering and transportation planning experience.
• Experience with traffic operations, roadway safety analyses, traffic signal systems, and transportation studies.
• Proficiency with Synchro, HCS, VISSIM, TransModeler, or similar traffic analysis software.
• Familiarity with Maryland DOT, local agency standards, and MUTCD requirements preferred.
• Strong project management, client development, and team leadership skills.
• Excellent written, verbal, and presentation capabilities.
• Ability to manage multiple projects and priorities in a fast-paced environment.

Why GPI?

As an employee-owned firm, GPI provides the opportunity to work on transformative transportation projects while advancing your career in a collaborative and growth-oriented environment. We offer competitive compensation, comprehensive benefits, professional development opportunities, and a culture where your expertise and leadership directly contribute to the success of our clients and communities.