Senior Highways & Traffic Engineer

Company Description

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Job Description

Start here. Grow here

Lead the Way in Sustainable Transport – Join AECOM as a Senior Highways & Traffic Engineer in Cardiff

AECOM’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 AECOM
• Mentor junior staff, providing technical guidance and supporting their professional development.
• Champion Health & Safety best practices.

• 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.

• Experience in concept, preliminary, and detailed design of Active Travel and highways or traffic engineering schemes.
• Experience in coordinating or assisting in the management of design projects.
• Strong knowledge of design elements such as drainage, junctions, and carriageway improvements.
• Familiarity with relevant design standards and guidance, including TSRGD, Manual for Streets, DMRB, and the Traffic Signs Manual.
• Understanding…