AECOM: Senior Traffic Engineer — Orange, CA, United States

About AECOM

AECOM is an infrastructure consulting business whose employer material describes work involving transport, energy, water and the built environment. Its activities bring together planning, design, engineering, scientific work, and programme or construction management. The organisation's described projects concern the physical systems used by communities, from travel and utilities to buildings. Those activities connect technical disciplines with project delivery, supported by digital and business functions around the planning, development and management of infrastructure.

The position and its setting

AECOM lists Senior Traffic Engineer in Orange, CA, United States, under reference J10162751. The details below separate the work described by the employer from essential conditions, preferred experience and practical preparation advice.

• Employment type: Full-time
• Employer listing date: 23 October 2026
• Legal Entity: AECOM Technical Services Inc
• Job Family: Civil
• Brands: AECOM

Responsibilities and work described

• AECOM is seeking a Senior Traffic Engineer to be based in Los Angeles or Orange, CA
• Job Responsibilities:
• Be part of a team of ITS/Transportation Technology professionals
• Lead, participate, & coordinate engineering production, technical deliverables, and project execution
• Work: with the ITS engineering staff on a daily basis throughout the West Coast
• Participate, coordinate, & lead ITS engineering projects and ITS design tasks throughout the West Coast and Greater West Regions
• Support: project delivery across the West Coast and Other US Regions
• Support: a wide range of ITS projects for freeway, arterial, transit, traffic signal, safety, communications, NS tolling systems as well as digital services, AI, and emerging technologies delivery
• Analyze/identify how best to integrate various systems to optimize effectiveness, operations, and staff resources as well as minimize costs
• Building: and maintain collaborative relationships with AECOM co-workers across Business Lines
• Support: or lead in proposal efforts for various ITS project pursuits
• Execution: work in accordance with agreed upon budget and schedule

Essential requirements and candidate background

• BA/BS and 6 years + experience or demonstrated equivalency of experience and/or education

Experience and professional background

• 10+ years of relevant ITS and Transportation Engineering experience or demonstrated equivalency of experience and/or education
• Hands-on experience working on Teams and working with Public Sector Clients
• 5+ years of job-related experience in California, Nevada, Oregon, or Washington

Preferred experience and additional strengths

• BS in Engineering degree
• Expertise with ITS Systems Engineering (Needs Definition, Concept-of-Operations, System Requirements, Alternatives Analysis, etc.)
• Expertise with High-Level Architectures, Designs, & Plans
• Experience: Communication Networks and Systems Design for data and video, both wireless and fiber optic designs
• California project experience and relationships (people, systems, and Agencies)
• Background in ITS design, emerging transportation technologies, and Transportation Systems Management and Operations (TSMO)
• Must be highly self-motivated with the ability to successfully multi-task, perform detail-oriented work, work independently, and demonstrate effective time management skills
• Communication, organization, and problem-solving skills
• Write concise and readable technical reports, documents, memorandums, and/or presentations
• Verbal and written communication skills and the ability to discuss projects with AECOM co-workers and Clients
• California PE license
• Proficiency: the ITS Architecture Process

Location, schedule and contract conditions

For this overseas or regional listing, confirm work authorisation and any location restrictions with the employer. The location does not establish visa sponsorship or permission to work remotely from India.

• Work arrangement: Hybrid
• Advertised location: Orange, CA, United States

Pay and application dates

A verified salary figure is not established in this article. An online estimate for another Senior Traffic Engineer vacancy is not an offer for reference J10162751; use the employer’s own pay disclosure and recruitment communication.

A closing date is not confirmed in this article. Check the current employer page before submitting: an undated posting can change or be withdrawn.

How to apply to AECOM

Applications follow the official employer page linked below.

Open the official AECOM posting below and match the title and reference J10162751.

Compare your qualifications and experience with the essential conditions for the Orange, CA, United States position, then read the preferred criteria separately.

Prepare an accurate CV and the supporting items requested in that employer’s application. Provide only information and documents you are authorised to share.

Use the employer’s application option, complete the required fields and review the submission. Retain the acknowledgement when one is provided. Job Alerts World does not receive the application.

Practical preparation: AI

An AI-related example should make the task and evaluation explicit. Explain the inputs, the system’s intended output and how you checked errors, usefulness or reliability, rather than relying on the model name alone.

Relevant skills

• AI/ML
• AI
• communication