Assistant Project Manager (Traffic Engineer) Job at CyberCoders, Diamond Bar, CA

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  • CyberCoders
  • Diamond Bar, CA

Job Description

Assistant Project Manager (Traffic Engineer)

Position Overview

We are seeking an Assistant Project Manager with a traffic engineering background to support delivery of roadway and transportation projects. The successful candidate will combine technical traffic engineering expertise with project management support to plan, design, and deliver traffic studies and roadway improvements on schedule and within budget. This role involves coordinating with clients, preparing technical designs and reports, tracking project progress, and mentoring junior staff.

Key Responsibilities

  • Support project managers in planning, scoping, budgeting, and scheduling traffic and roadway engineering projects.
  • Perform traffic engineering analyses including capacity studies, signal warrant analyses, traffic impact studies, and corridor operations assessments.
  • Prepare and review traffic design plans, signing and pavement marking plans, signal plans, and intersection design details.
  • Coordinate project deliverables, resources, and subcontractors to ensure timely completion and quality control.
  • Develop and review technical reports, memos, and deliverables for clients and permitting agencies.
  • Attend client meetings, public outreach sessions, and coordination with local agencies to present findings and respond to comments.
  • Track project budgets, schedules, and progress; prepare status reports and assist with invoicing and change orders.
  • Mentor and review work of junior engineers and technicians; delegate tasks and provide technical guidance.
  • Ensure designs and deliverables comply with applicable standards, codes, and agency requirements (AASHTO, MUTCD, local DOT guidelines).

Qualifications

  • Bachelors degree in civil engineering, transportation engineering, or a related field.
  • 3+ years of professional experience in traffic engineering or roadway design; experience in a consulting environment preferred.
  • Engineer-in-Training (EIT) certification required; Professional Engineer (PE) license preferred or working toward PE.
  • Demonstrated experience with traffic analysis tools (e.g., Synchro, VISSIM, HCS), CAD (MicroStation or AutoCAD), and GIS.
  • Strong knowledge of traffic engineering principles, signal design, signing and pavement marking, and roadway geometric design.
  • Experience assisting with project management tasks including scope development, scheduling, budgeting, and client communication.
  • Excellent written and verbal communication skills; experience preparing technical reports and presenting to stakeholders.
  • Detail-oriented, organized, and able to manage multiple projects simultaneously while meeting deadlines.
  • Valid drivers license and ability to perform occasional field work and traffic observations.

Benefits

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Comprehensive benefits package including medical, dental, wellness programs, retirement plan, flexible work hours, paid holidays, paid time off, and profit-sharing for full-time employees

Email Your Resume In Word To

***email_hidden***

Looking forward to receiving your resume through our website and going over the position with you. Clicking apply is the best way to apply.

Please do NOT change the email subject line in any way. You must keep the JobID: linkedin : JS41-1983396 -- in the email subject line for your application to be considered.

Jason Styczen - Executive Recruiter

For this position, you must be currently authorized to work in the United States without the need for sponsorship for a non-immigrant visa. This is a new role.

CyberCoders will consider for Employment in the City of Los Angeles qualified Applicants with Criminal Histories in a manner consistent with the requirements of the Los Angeles Fair Chance Initiative for Hiring (Ban the Box) Ordinance.

This job was first posted by CyberCoders on 04/13/2026 and applications will be accepted on an ongoing basis until the position is filled or closed.

CyberCoders is proud to be an Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. Our hiring process includes AI screening for keywords and minimum qualifications. Recruiters review all results. CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. Individuals needing special assistance or an accommodation while seeking employment can contact a member of our Human Resources team at [email protected] to make arrangements.

Copyright 1999 - 2026. CyberCoders , Inc. All rights reserved.

Job Tags

Ongoing contract, Full time, For subcontractor, Casual work, Local area, Flexible hours

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