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Assistant Traffic Engineer Jobs in California (NOW HIRING)

WSP

Associate Traffic Engineer

Irvine, CA · On-site

$92K - $126K/yr

Work with cross-functional teams in executing project work. * Assist with work plan preparation and ... Knowledge of traffic engineering principles, practices, process, design/build, and the application ...

WSP

Associate Traffic Engineer

Irvine, CA · On-site

$92K - $126K/yr

Work with cross-functional teams in executing project work. * Assist with work plan preparation and ... Knowledge of traffic engineering principles, practices, process, design/build, and the application ...

GeoWorld

Associate Traffic Engineer

San Diego, CA · On-site

$76.20 - $111/hr

Work with cross‑functional teams in executing project work. * Assist with work plan preparation ... Knowledge of traffic engineering principles, practices, process, design/build, and the application ...

TYPSA INC

Traffic Engineer

Irvine, CA · On-site

$93K - $127K/yr

... Traffic Engineers for our Irvine, CA office. The ideal candidate will be motivated to develop and ... skills to assist with the growth and success of the office. We offer a friendly, professional ...

Willdan Group, Inc.

Traffic Engineer

Elk Grove, CA · On-site

$91K - $124K/yr

The Traffic Engineer you will work in a highly specialized technical field and perform work that is ... As needed, assist in the preparation of engineering service proposals such as RFP including scope ...

Willdan Group, Inc.

Traffic Engineer

Roseville, CA · On-site

$91K - $124K/yr

The Traffic Engineer you will work in a highly specialized technical field and perform work that is ... As needed, assist in the preparation of engineering service proposals such as RFP including scope ...

RPMGlobal

Sr. Traffic Engineer

Ontario, CA · On-site

$125 - $166/hr

Sr. Traffic Engineer, Smart Mobility TransportationJobs with David Evans and Associates: At David ... Business Development: Assist in cultivating and maintaining effective client relationships to ...

City of Encinitas

Senior Engineer - Traffic

Encinitas, CA · On-site

$116K - $181K/yr

Provide technical guidance and mentorship to engineering staff and assist with project coordination and workload management. Assist the City Traffic Engineer in supporting division operations and ...

HDR

Senior Traffic Engineer

Irvine, CA · On-site

$112K - $154K/yr

... * Assist in providing oversight of the traffic control and sequencing plans throughout the ... Senior Engineer - Traffic, signing, pavement marking, traffic signals, traffic management system ...

HDR

Senior Traffic Engineer

Irvine, CA · On-site

$112K - $154K/yr

... * Assist in providing oversight of the traffic control and sequencing plans throughout the ... Senior Engineer - Traffic, signing, pavement marking, traffic signals, traffic management system ...

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All JobsTraffic Engineer JobsAssistant Traffic Engineer JobsAssistant Traffic Engineer Jobs in California

Assistant Traffic Engineer information

See California salary details

$22.2K

$59.4K

$108.1K

How much do assistant traffic engineer jobs pay per year?

As of Aug 30, 2026, the average yearly pay for assistant traffic engineer in California is $59,374.00, according to ZipRecruiter salary data. Most workers in this role earn between $39,500.00 and $71,600.00 per year, depending on experience, location, and employer.

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 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 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 most commonly searched types of Traffic Engineer jobs in California?

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

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

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

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

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

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

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

Assistant Traffic Engineer jobs near you
Infographic showing various Assistant Traffic Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 70% Full Time, 23% Part Time, 1% Temporary, and 5% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $59,374 per year, or $28.5 per hour.

Associate Traffic Engineer

City Of Industry, CA • On-site

Willdan Group, Inc.
Engineering Professional Services • 501 - 1,000 employees

8.6

Company rating: 8.6 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

103rd of 450 rated engineering

Good employer

Respectful managers

Good training

Learn more about Willdan Group, Inc.external

$87K - $119K/yr

Other

Re-posted 22 days ago

Job description

Willdan is seeking an Associate Traffic Engineer to join our growing Traffic Engineering practice. In this role, you will contribute to a wide range of traffic engineering and transportation planning projects for municipal and regional clients. You will work alongside experienced engineers and project managers to deliver practical, data-driven transportation solutions that improve mobility, accessibility, and safety throughout California.

This position is ideal for an engineer who is building toward professional licensure and is ready to assume increasing responsibility in technical design, project delivery, and client coordination. Candidates who already hold a California PE license are encouraged to apply.

Essential Duties and Responsibilities

  • Design - Prepare traffic engineering designs, including:
    • Traffic signal plans
    • Signing, striping, and pavement marking plans
    • Temporary Traffic Control (TTC) plans
    • Street lighting plans and photometric analyses
    • Prepare Plans, Specifications, and Estimates (PS&E) packages for transportation improvement projects
  • Traffic Operations and Analysis
    • Support preparation of traffic impact studies, safety evaluations, and technical memoranda
    • Develop or assist in developing traffic signal timing plans, coordination strategies, and operational analyses using industry-standard software
    • Conduct field investigations and data collection efforts
    • Perform intersection capacity and operational analyses using Synchro
    • Assist in evaluating multimodal transportation improvements for pedestrians, bicyclists, and transit users
  • Project Delivery
    • Coordinate with internal teams, public agency staff, utility companies, and external stakeholders
    • Ensure designs comply with applicable standards, including California MUTCD, HCM, Caltrans, and local agency guidelines
    • Support project management tasks including:
      • Scheduling
      • Budget tracking
      • Client communications
      • Preparation of project deliverables
    • Review engineering work prepared by junior staff for technical accuracy and completeness
    • Participate in proposal preparation, scope development, and technical interviews as opportunities arise

Job Requirements / Qualifications

  • Required Qualifications
    • Bachelor of Science Degree in Civil Engineering
    • Minimum seven (7) years of progressively responsible experience in traffic engineering or transportation design
    • Engineering-in-Training (EIT) certification with the ability to obtain PE licensure
    • Proficiency in AutoCAD or Civil 3D
    • Working knowledge of the California MUTCD, Highway Design Manual, Caltrans Standard Plans and Specifications, and local agency design standards
    • Strong technical writing and communication skills
  • Preferred Qualifications
    • California Professional Engineer (PE) license preferred

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