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 Shape the Future of Transport in Wales – Join AECOM as a Highways & Traffic Engineer in Cardiff Are you ready to make a tangible impact on the streets and communities of South Wales? AECOM’s Cardiff-based Streets team is looking for a talented and driven Engineer to help design and deliver innovative traffic engineering and urban realm projects.

From concept to construction, you’ll play a key role in shaping safer, more sustainable, and people-friendly transport networks for local authorities and national clients.

As part of a collaborative and multi-disciplinary team, you’ll contribute to high-profile projects for clients such as Transport for Wales, Cardiff Council, Swansea Council, Newport City Council and key regional frameworks including SWTRA, South West & Mid Wales Regional CES, and SEWTAPS. Whether it’s improving cycling infrastructure, calming traffic in busy neighborhoods, or enhancing public spaces, your work will directly improve how people move and live.

Here’s what you’ll do:

As an Engineer in our Cardiff Streets team, you’ll be involved in the full project lifecycle—from feasibility through to detailed design and delivery. You’ll work on a diverse portfolio of traffic engineering, local transport, and urban realm schemes, collaborating with multidisciplinary teams and contributing to projects that make a real difference to communities.

Key Responsibilities:

Develop preliminary and detailed designs for traffic engineering, streetscape, and local highway schemes.

Prepare high-quality technical outputs including drawings, reports, and specifications.

Ensure all designs meet relevant standards, regulations, and client expectations.

Collaborate with engineers, planners, and technicians across AECOM’s business lines.

Support and mentor team members, helping to delegate and coordinate tasks.

Deliver work to agreed timescales, budgets, and quality standards.

Promote and apply Health & Safety best practices, including CDM responsibilities.

Provide regular updates to the Principal Engineer or Project Manager on project progress.

What We’re Looking For We’re seeking a proactive and technically capable engineer who is passionate about improving transport infrastructure and public spaces. You’ll bring a mix of design expertise, communication skills, and a collaborative mindset

Come grow with us.

Let's not forget about the perks 'll enjoy a range of core and personalised benefits designed to support your future and well-being, customized to fit your lifestyle. Take advantage of our flexible hybrid working model to ensure a work-life balance that suits your lifestyle , career development opportunities, technical practice networks, AECOM University, and volunteering days

If you’re looking for a place where your ambition meets endless possibility, AECOM is where your next big leap begins.

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…