Senior or Principal Engineer - Traffic

Toole-Design-Group; Columbus (OH); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

Collaborative culture

Hybrid schedule Tu/W/Th in-office

8 paid holidays

16 days PTO annually

Competitive salary & benefits

Transportation perks

Job summary

Toole Design in Columbus, OH is seeking a Senior or Principal Traffic Engineer to lead traffic engineering design and analysis for multimodal networks. You will design traffic signals, markings, signage and traffic calming plans, while performing safety studies and mentoring junior staff.

You will use MicroStation, Synchro, AutoCAD, SIDRA and VISSIM to turn ideas into practical solutions for diverse communities across Ohio, the Midwest and the U.S.

Qualifications

• Professional Engineer license (OH) or equivalent.
• Proficiency with MicroStation, Synchro, AutoCAD and related design tools.
• Experience designing intersections and corridors; cost estimates and construction docs.
• Strong knowledge of MUTCD standards and roadway design principles.
• 10+ years in senior roles; 15+ years for Principal.
• Interest in multimodal, safety and active transportation design.

Responsibilities

• Lead traffic engineering design and analysis across projects.
• Design traffic signals, markings, signage, and traffic calming plans.
• Conduct traffic and safety studies; mentor junior staff.
• Perform corridor studies and Safe Routes to School analyses.
• Develop concepts and construction documents; contribute to BD efforts.

Skills

PE license OH

Traffic engineering software

Data-driven design

Intersections/corridors design

MUTCD knowledge

Geometric road design

Construction docs & estimates

Senior/Principal experience

Tools

MicroStation

Synchro

Highway Capacity Software

AutoCAD

SIDRA

VISSIM

Job description

At Toole Design, we're leading the way in creating safer, more connected communities through sustainable multimodal transportation design. We're looking for a Senior or Principal Traffic Engineer to join our Columbus, OH team, someone who's excited to lead traffic engineering design and analysis, to create resilient, multimodal networks reflecting our mission and values.

Why You'll Love Working Here

We're not just another firm, we're a purpose-driven team of engineers, planners, landscape architects, and urban designers who believe streets should work for everyone. At Toole Design, you'll work alongside thought leaders and industry experts who are committed to mentoring and helping you grow your expertise. We offer:

• A collaborative, inclusive culture that supports your growth and advancement
• A hybrid schedule with shared team days in office (Tu/W/Th)
• 8 paid holidays; and at least 16 days of PTO accrual annually
• Competitive salary, excellent benefits, and transportation perks: Benefits and Supports
• Projects that truly improve lives through safe, inclusive design rooted in ethics, empathy, and equity

What You'll Do

As a Senior or Principal Traffic Engineer, you will lead creative, data-driven solutions to make streets safer‑designing traffic signals, pavement markings, signage, and traffic calming plans, while diving into traffic and safety studies or mentoring junior staff along the way. From corridor studies to Safe Routes to School, you'll use tools like Synchro, Highway Capacity Software, MicroStation, and AutoCAD to turn ideas into action. In Ohio, the Midwest and across the country, you'll help shape safer, more sustainable multimodal infrastructure in a wide range of communities‑working alongside a collaborative team that genuinely cares about the work and the people it serves. You'll contribute to business development and build your reputation as a trusted expert at a company that believes in promoting from within.

What You Bring

• A Professional Engineering license in OH (other Midwest states a plus)
• Proficiency in one or more of the following: MicroStation, Synchro, Highway Capacity Software, AutoCAD, SIDRA, and/or VISSIM
• Interest in multimodal, safety, and active transportation design
• Experience developing conceptual designs for intersections and corridors
• Understanding of MUTCD standards at the state and federal level
• Understanding of basic geometric design principles of roadways and industry roadway design standards
• Experience developing construction documents and cost estimates
• 10+ years of experience (Senior Engineer), 15+ years of experience (Principal Engineer)

It would be a plus if you have any of the following:

• 5+ years managing projects and/or design work, developing traffic engineering design plans, operational and safety analyses, and/or design documents (signing and pavement marking, maintenance of traffic, traffic signals)
• Experience with MicroStation OpenRoads
• An interest in managing and mentoring staff
• Bonus: PTOE, Complete Streets, bikeway, and crossing design, construction support services, Agi32 lighting design, experience supervising staff
• Experience in business development, including networking at public, agency, and industry events (e.g., ACEC, ITE, ASHE, ASCE)

Join Us. Make an Impact.

We're proud to be an ENR Top 500 design firm with one of the lowest turnover rates in the industry. Questions, assistance or accommodations? Contact [e-mail] or call 301-927-1900, press 5.

At Toole Design, we foster a collaborative culture and welcome people of all backgrounds to help build more inclusive communities. We strongly encourage applicants from underrepresented communities – women, people of color, LGBTQIA+, immigrants, first‑generation college students/graduates, those with disabilities and people at all the intersections in between – to apply. We're proud that about half our managers are women and we are committed to diverse leadership that reflects the communities we serve. Toole Design is a woman‑owned, equal opportunity employer (EO/AA/VEV/Disabled employer).

For more information about Toole Design, visit our website and follow us on LinkedIn, Instagram, or Facebook.