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Senior Traffic Engineer

AECOM

Orange, CA · HybridJob$120–190K/yrSeen 1w agoSeen in employer's feed 4 days ago

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At a glance

Compensation
$120–190K/yr
Location
Orange, CAHybrid
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

AECOM seeks a Senior Traffic Engineer based in Los Angeles or Orange, California, to lead and coordinate ITS engineering production, project execution, and technical deliverables. The role supports transportation technology projects across the West Coast and other U.S. regions, integrating systems and contributing to proposals. The position is hybrid and does not offer sponsorship.

Skills & qualifications

RequiredNice to have

Skills

ITS Systems EngineeringHigh-Level ArchitecturesHigh-Level DesignsHigh-Level PlansCommunication NetworksData and Video Systems DesignWireless DesignFiber Optic DesignITS DesignEmerging Transportation TechnologiesTSMOMultitaskingDetail-Oriented WorkIndependent WorkTime ManagementCommunicationOrganizationProblem-SolvingTechnical WritingTeamworkPublic Sector Client WorkITS Architecture ProcessPS&ESystem Integration

Qualifications

BA/BS or Equivalent ExperienceCalifornia PE License6+ Years Experience10+ Years ITS and Transportation Engineering Experience or Equivalent5+ Years Regional Experience

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
Paid Time Off
401(k) Match

Full job description

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

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

  • Build and maintain collaborative relationships with AECOM co-workers across Business Lines

  • Assist or lead in proposal efforts for various ITS project pursuits

  • Perform work in accordance with agreed upon budget and schedule

Qualifications

Minimum Requirements:

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

Preferred Qualifications:

  • BS in Engineering degree.

  • 10+ years of relevant ITS and Transportation Engineering experience or demonstrated equivalency of experience and/or education

  • Expertise with ITS Systems Engineering (Needs Definition, Concept-of-Operations, System Requirements, Alternatives Analysis, etc.)

  • Expertise with High-Level Architectures, Designs, & Plans

  • Experience with Communication Networks and Systems Design for data and video, both wireless and fiber optic designs

  • Proven California project experience and relationships (people, systems, and Agencies)

  • Strong 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

  • Excellent communication, organization, and problem-solving skills

  • Demonstrated ability to write concise and readable technical reports, documents, memorandums, and/or presentations

  • Strong verbal and written communication skills and the ability to discuss projects with AECOM co-workers and Clients

  • Hands-on experience working on Teams and working with Public Sector Clients

  • California PE license

  • Proficiency in the ITS Architecture Process

  • ITS Design/PS&E skills

  • Hands-on System Integration experience

  • 5+ years of job-related experience in California, Nevada, Oregon, or Washington

Additional Information

  • This position does not offer sponsorship now or in the future.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

Offered rate of compensation will be based on individual education, qualifications, experience, and work location. The range for this position is $120000 to $190000.

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.

ReqID: J10162751

Business Line: Transportation

Business Group: DCS

Strategic Business Unit: West

Career Area: Engineering

Work Location Model: Hybrid

Compensation: USD 120000 - USD 190000 - yearly

How this job compares

Set against the 878 open Transportation Engineer jobs on Olive Jobs, counted November 4, 2026.

Pay
  • This posting$120–190K/yr
  • California median$100–152K/yr53 salary ranges
  • US median$87–152K/yr513 salary ranges

This range's midpoint, $155K, is 24% above the California median midpoint ($125K) — in the middle half of Transportation Engineer salary ranges in California.

Openings
Olive Jobs lists 54 open Transportation Engineer jobs in California and 878 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 6 years of experience; Transportation Engineer postings that state a minimum ask for 7 years at the median (675 postings).
Education
472 of the 878 open Transportation Engineer jobs (54%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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