Senior Traffic Engineer- Southeast

Weston & Sampson; North Charleston (SC); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

Growth opportunities

Flexible workplace

Meaningful work

Job summary

Weston & Sampson is seeking a Senior Traffic Engineer in North Charleston, South Carolina, to lead transformative transportation projects aimed at enhancing safety and mobility in Southeast communities.

The ideal candidate will have a Bachelor’s degree in Civil Engineering, an active PE license, and a minimum of 10 years in traffic or transportation engineering. Key responsibilities include managing projects, overseeing traffic modeling, and coordinating with various stakeholders.

This role offers growth opportunities and a flexible workplace in an employee-owned firm committed to innovative and impactful design.

Qualifications

• Minimum of 10 years of progressive experience in traffic or transportation engineering.
• Strong knowledge of DOT Design Manuals, MUTCD, AASHTO, and relevant state DOT standards.
• Experience in ITS design, traffic signal timing, and system optimization.

Responsibilities

• Lead and manage traffic engineering projects.
• Conduct safety assessments and intersection improvement studies.
• Coordinate with clients, DOTs, municipalities, and subconsultants.

Skills

Traffic operations studies

Signal design

Traffic modeling and simulation

Mentorship and technical guidance

Communication and interpersonal skills

Education

Bachelor's degree in Civil Engineering or related field

Active Professional Engineer (PE) license

Tools

Synchro

HCS

VISSIM

MicroStation or AutoCAD

Job description

Weston & Sampson is seeking a Senior Traffic Engineer to lead transformative transportation projects that enhance safety, mobility, and quality of life across communities in the Southeast. This is a unique opportunity to shape the future of how people move—through innovative design, data‑driven solutions, and strategic planning.

What you’ll do:

• Lead and manage traffic engineering projects, including traffic operations studies, signal design, and corridor analysis.
• Perform and oversee traffic modeling and simulation using tools such as Synchro, HCS, and VISSIM.
• Develop detailed plans for traffic signals, signing and pavement markings, and traffic control in compliance with state and local standards.
• Conduct safety assessments, intersection improvement studies, and access management evaluations to enhance roadway performance.
• Coordinate effectively with clients, DOTs, municipalities, MPOs, and subconsultants to ensure timely and successful project delivery.
• Provide mentorship and technical guidance to junior engineers and technicians, including QA/QC reviews to uphold quality standards.
• Support business development through proposal writing, scope definition, and cultivating strong client relationships.
• Stay informed on evolving transportation policies, standards, and emerging technologies impacting traffic operations, safety, and design.

What you’ll bring:

• Bachelor’s degree in Civil Engineering or a related field.
• Active Professional Engineer (PE) license in South Carolina, North Carolina, Georgia, or Florida — or ability to obtain within 6 months.
• PTOE certification is preferred.
• Minimum of 10 years of progressive experience in traffic or transportation engineering.
• Strong knowledge of DOT Design Manuals, MUTCD, AASHTO, and relevant state DOT standards.
• Proficiency in Synchro, HCS, VISSIM, and MicroStation or AutoCAD; experience with TransModeler is a plus.
• Excellent communication and interpersonal skills, with the ability to work directly with clients and agency staff.
• Experience in ITS design, traffic signal timing, and system optimization.
• Familiarity with HSIP safety performance evaluations and predictive analysis tools.
• Proven ability to manage multiple projects and meet deadlines in a collaborative, fast‑paced environment.

Overview:

At Weston & Sampson, you’ll work alongside more than 1,000 employee‑owners who are passionate about improving our communities. From providing clean water to designing resilient infrastructure and sustainable environments, our work has a direct impact on quality of life. We’re looking for curious, driven professionals who want to contribute to innovative, impactful projects and grow with a team that supports them.

We are a 100% employee‑owned, interdisciplinary firm offering design, engineering, and environmental services. Since our founding in 1899, we have worked to build a collaborative, forward‑thinking environment grounded in respect for each other’s ideas.

We offer:

• Meaningful work: Contribute to projects that protect and enhance the natural and built environments
• Ownership mindset: As an employee‑owner, your work directly contributes to our shared success
• Growth opportunities: Build your career through mentorship, diverse projects, and clear advancement pathways
• Flexible workplace: Work in a way that supports your life and not the other way around
• Strong culture: Join a team that values collaboration, inclusion, and recognition

Our Commitment to Inclusion, Diversity, Equity & Access (IDEA)

We believe diverse perspectives make us stronger. Weston & Sampson is committed to fostering a culture of belonging where all employees feel valued, respected, and empowered. We actively support IDEA principles across our organization and in our daily work.