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Assistant Traffic Engineer Jobs in Washington (NOW HIRING)

Prime AE Group Inc

Traffic Engineer

Fairfax, VA · On-site

$95K - $120K/yr

Design & Documentation * Assist in the preparation of traffic control device designs, including ... Engineer in Training (EIT) certification is required. Professional Engineer (PE) license is ...

Prime AE Group Inc

Traffic Engineer

Halethorpe, MD · On-site

$95K - $120K/yr

Design & Documentation * Assist in the preparation of traffic control device designs, including ... Engineer in Training (EIT) certification is required. Professional Engineer (PE) license is ...

GREENMAN-PEDERSEN INC.

Senior Traffic Engineer

Columbia, MD · On-site

$101K - $139K/yr

Support junior staff through technical guidance and mentoring * Assist with construction ... Solid understanding of traffic engineering principles, standards, and design practices * Experience ...

Dewberry

Senior Traffic Engineer

Fairfax, VA · On-site

$118K - $151K/yr

The Candidate may also prepare design and cost estimates, meet with clients, and assist in proposal ... Minimum 8 years of experience in traffic engineering * VDOT, MSHA, MDTA and/or design-build ...

Dewberry

Senior Traffic Engineer

Fairfax, VA · On-site +1

$118K - $151K/yr

The Candidate may also prepare design and cost estimates, meet with clients, and assist in proposal ... Minimum 8 years of experience in traffic engineering * VDOT, MSHA, MDTA and/or design-build ...

HDR

Senior Traffic Engineer

Vienna, VA · On-site

$104K - $144K/yr

... * Assist in providing oversight of the traffic control and sequencing plans throughout the ... Professional Engineer (PE or P.Eng) license. * Knowledge of regulations of state and federal ...

HDR

Senior Traffic Engineer

Vienna, VA · On-site

$104K - $144K/yr

... * Assist in providing oversight of the traffic control and sequencing plans throughout the ... Professional Engineer (PE or P.Eng) license. * Knowledge of regulations of state and federal ...

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Assistant Traffic Engineer information

See Washington salary details

$25.5K

$68.1K

$124K

How much do assistant traffic engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for assistant traffic engineer in Washington is $68,140.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,300.00 and $82,100.00 per year, depending on experience, location, and employer.

What are some typical challenges faced by assistant traffic engineers in their daily work?

Assistant Traffic Engineers often encounter challenges such as balancing competing priorities between safety, efficiency, and community needs when designing or modifying traffic systems. They may need to analyze complex traffic data, stay updated on evolving regulations, and coordinate with various stakeholders, including city planners and the public. Adapting to new technologies in traffic management and responding to urgent issues, like accident-prone intersections, are also common aspects of the role. Developing strong communication and problem-solving skills is essential for navigating these challenges effectively.

What are the key skills and qualifications needed to thrive as an assistant traffic engineer, and why are they important?

To thrive as an Assistant Traffic Engineer, you need a solid background in civil engineering principles, traffic analysis, and a relevant engineering degree, often supported by an Engineer-in-Training (EIT) certification. Familiarity with technical tools such as AutoCAD, Synchro, and traffic simulation software is commonly required. Strong analytical thinking, attention to detail, and effective communication skills help in interpreting data and collaborating with stakeholders. These skills and qualifications are vital for designing safe, efficient transportation systems and supporting successful project delivery.

What does an assistant traffic engineer do?

An Assistant Traffic Engineer supports senior engineers in planning, designing, and managing traffic flow in urban and suburban areas. Their responsibilities often include collecting and analyzing traffic data, assisting with the development of traffic signal timing plans, preparing reports, and helping implement solutions to improve road safety and efficiency. They may also review construction plans, work with traffic control devices, and coordinate with other departments or stakeholders. This role is typically an entry-level position that serves as a stepping stone to more advanced engineering roles.

What are the most commonly searched types of Traffic Engineer jobs in Washington?

The most popular types of Traffic Engineer jobs in Washington are:

What are popular job titles related to Assistant Traffic Engineer jobs in Washington?

For Assistant Traffic Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Assistant Traffic Engineer jobs in Washington look for?

The top searched job categories for Assistant Traffic Engineer jobs in Washington are:

What cities in Washington are hiring for Assistant Traffic Engineer jobs?

Cities in Washington with the most Assistant Traffic Engineer job openings:

Assistant Traffic Engineer jobs near you
Infographic showing various Assistant Traffic Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $68,140 per year, or $32.8 per hour.

Traffic Engineer

Prime AE Group Inc

Fairfax, VA • On-site

$95K - $120K/yr

Full-time

Re-posted 7 days ago

Job description

We Make Everything Around Us Better

At PRIME AE, that’s not a slogan, it’s how we work.

Every bridge, building, campus, park, and roadway we design exists to improve how people live, move, learn, and connect. Through architecture, engineering, planning, and consulting, we partner with clients to create thoughtful, practical solutions that leave communities stronger than we found them.

If you want your work to matter, and to be surrounded by smart, collaborative people who care about doing things the right way, you’ll feel at home here.


Who We Are:

PRIME AE Group, Inc. is a nationally ranked, full-service architecture and engineering firm with 24 offices across 10 states and a team of 500+ professionals. For nearly two decades, we’ve partnered with public and private sector clients across transportation, education, healthcare, municipal, federal, commercial, and recreational markets.

We’re growing, strategically and intentionally. That means expanding our capabilities, investing in our people, and building teams that are positioned for long-term success.


The Opportunity:

We are currently seeking a Traffic Engineer to join our Transportation team in Baltimore or Fairfax.


This role is ideal for a developing transportation professional who is ready to take an active role in traffic analysis, signal design, and corridor improvement projects across Maryland and Virginia. You will contribute to public-sector transportation initiatives while building expertise in traffic operations, safety, and multimodal infrastructure design.

As a Traffic Engineer, you will work alongside senior engineers and project managers while taking ownership of technical analyses and design tasks that directly support safer and more efficient transportation systems.


What You’ll Do:

You will support the planning, analysis, and design of transportation projects with a focus on traffic engineering solutions. This includes conducting data-driven studies, preparing traffic control device designs, and contributing to the production of construction documents for public infrastructure projects..


Key Responsibilities:

Traffic Analysis & Studies

  • Conduct traffic engineering analyses including signal warrant studies, traffic impact studies, operational analyses, and corridor safety assessments.
  • Perform capacity and level-of-service evaluations using industry-standard software.
  • Support multimodal and safety-focused traffic assessments.

Design & Documentation

  • Assist in the preparation of traffic control device designs, including traffic signals, signage, and pavement markings.
  • Prepare design plans, specifications, and cost estimates for traffic signals, signing and striping, and temporary traffic control.
  • Contribute to maintenance of traffic (MOT) and temporary traffic control plans.

Coordination & Reporting

  • Support senior engineers in preparation of technical memoranda, reports, and exhibits.
  • Coordinate with roadway, structural, environmental, and construction teams.
  • Participate in internal quality control reviews and design meetings.
  • Assist with agency coordination and response to review comments.


What You’ll Bring:

  • Bachelor’s degree in Civil Engineering.
  • Minimum of three (3) years of experience in traffic or transportation engineering.
  • Engineer in Training (EIT) certification is required. Professional Engineer (PE) license is preferred.
  • Proficiency with traffic engineering design (e.g. AutoCAD, MicroStation).
  • Familiarity with MUTCD, AASHTO, and applicable MDOT or VDOT standards.
  • Strong technical writing and verbal communication skills.
  • Ability to work collaboratively within a multidisciplinary team environment.


Why PRIME AE:

We don’t just fill positions; we invest in people.


At PRIME AE, you’ll find a supportive, flexible environment where careers are built intentionally, not accidentally. You’ll work on projects that improve everyday life, alongside colleagues who challenge and respect one another.


What sets us apart:

  • Career Growth: Flexible career paths across disciplines, from technical expertise to project and people leadership.
  • People-First Culture: We value trust, integrity, and collaboration, and we mean it.
  • Meaningful Work: Projects that strengthen communities, infrastructure, and public spaces.
  • Growth with Purpose: Strategic expansion backed by strong leadership and investment.
  • National Reach, Local Feel: Big-firm resources with the agility and relationships of local offices.


Our Commitment:

PRIME AE Group is committed to creating an inclusive environment where differences are respected, voices are heard, and everyone has the opportunity to succeed.



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