Associate Traffic Engineer

Willdan Group, Inc.; California; On-site; USD 85,000 - 120,000; Full time

Job summary

Willdan Group, Inc. seeks an Associate Traffic Engineer to join its growing Traffic Engineering practice in California.

You will contribute to a wide range of projects for municipal and regional clients and coordinate with engineers and managers to deliver practical, data-driven transportation solutions that improve mobility and safety. This role suits an engineer aiming for licensure, with opportunities to take on increasing responsibility in design, project delivery, and client coordination;

Qualifications

• Bachelor of Science Degree in Civil Engineering.
• Minimum seven (7) years of traffic engineering or transportation design experience.
• EIT certification with ability to obtain PE licensure.
• Proficiency in AutoCAD or Civil 3D.
• Working knowledge of California MUTCD and Caltrans standards.
• Strong technical writing and communication skills.

Responsibilities

• Design traffic engineering plans: signals, signing, striping, TTC, lighting, PS&E packages.
• Support traffic impact studies, safety evaluations, and memos.
• Develop signal timing plans and coordination strategies; perform analyses.
• Conduct field investigations and data collection; use Synchro for analyses.
• Review junior staff work for accuracy and completeness.
• Participate in proposals, scope development, and interviews.

Skills

Technical writing

Communication skills

Project coordination

Education

Bachelor of Science in Civil Engineering

Tools

AutoCAD / Civil 3D

Synchro

SimTraffic

HCS

AutoTURN

Microsoft Office

Bluebeam

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
  • Experience with Synchro, SimTraffic, HCS, AutoTURN, or similar traffic engineering software
  • Experience preparing PS&E packages for public agency projects
  • Familiarity with Microsoft Office and Bluebeam
  • Experience coordinating with municipal and state transportation agencies

EEO Non-Discrimination and ADA Reasonable Accommodation Statement

Willdan is an equal opportunity employer. Applicants are considered for all positions without regard to race, religious creed, color, age marital status, sex, sexual orientation, gender identity, gender expression, citizenship status, national origin, ancestry, religion, military service or veteran status, disability, medical condition, childbirth and related medical conditions, genetic testing, reproductive status or any other classification protected by federal, state or local laws and ordinances. Willdan does not discriminate on the basis of physical or mental disability where the essential functions of the job can be reasonably accommodated. Determinations on requests for reasonable accommodation will be made on a case‑by‑case basis. If you need reasonable accommodation for any part of the application and hiring process, please notify us.

Willdan Engineering participates in E-Verify.