Senior Highways & Traffic Engineer

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 h 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 Start here. Grow here

Lead the Way in Sustainable Transport – Join AECOM as a Senior Highways & Traffic Engineer in CardiffAECOM’s Cardiff-based Streets team is looking for a Senior Engineer to deliver innovative Active Travel, local highways and urban realm projects across South Wales and beyond.

This role offers the opportunity to shape safer, greener, and more inclusive transport networks that have a tangible impact on communities.

What You’ll Be Doing As a Senior Engineer, you’ll take a key role in the development of Active Travel, traffic engineering and local highways schemes, from concept through to detailed design and implementation. You’ll bring your technical expertise and ability to guide project teams through all stages of design and delivery. You’ll manage technical outputs, mentor junior staff, and ensure the successful delivery of high-quality, sustainable transport solutions.

As a senior member of our collaborative, multidisciplinary team, you’ll work on high-profile projects for local authority clients such as the Cardiff Council, Swansea Council, Newport and Neath Port Talbot Council, and key regional frameworks including SWTRA, SW&M Wales CES and SEWTAPS.

Key Responsibilities:

Coordinate the design and its delivery, under the guide of the Design Lead and Project Manager.

Support the management of project timelines, risks, budgets, and deliverables.

Prepare and review technical outputs including drawings, reports, and specifications, ensuring accuracy, compliance, and constructability.

Liaise with the Client and external stakeholders

Collaborate with multidisciplinary teams across AECOMMentor junior staff, providing technical guidance and supporting their professional development.

Champion Health & Safety best practices.

What we offer:

Flexible hybrid working and varied working patterns (part-time, compressed weeks, or flexible hours).Professional development support, mentorship schemes, and training agreements with major engineering institutions.

Career development opportunities via AECOM University, technical practice networks, and volunteering days.

A range of core and personalised benefits tailored to your lifestyle and well-being.

Come grow with us.

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at Reasonable Accommodations At  AECOM, we value everyone's unique contributions and perspectives. If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you!

Qualifications Ready to push the limits of what’s possible?

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