[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All AECOM jobs](https://jobs.opennash.com/companies/aecom/) · [Search jobs](/search/) AECOM · Cardiff, GBR # Senior Highways & Traffic Engineer Cardiff, GBR Senior individual contributor Operations Listed on AECOM’s official careers site. Posted June 8, 2026. Check that it is still open and apply there. [Apply on AECOM’s careers site →](https://aecom.jobs/jobs/B3E945F49DEA486CAEC0F0A6D8ED5CA2/job/) [OpenNash Jobs](https://jobs.opennash.com/) / [AECOM](https://jobs.opennash.com/companies/aecom/) / Senior Highways & Traffic Engineer ## 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 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. ### 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_ ReasonableAccommodations@aecom.com _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? ### Here’s what we’re looking for - 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 of Health & Safety and CDM regulations. - Proficiency in AutoCAD and Microsoft Office. - A degree in Civil Engineering or a related discipline. ### Additional Information Interested in the role or curious about life at AECOM? Follow us on LinkedIn, Facebook, Instagram, and YouTube to explore our AECOM voices, employee stories, latest projects, and much more! #STAP For further information about the role, reach out to the recruiter on LinkedIn Siobhan Osborne 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._ ### About AECOM AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM. Freedom to Grow in a World of Opportunity You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed. You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients. AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too. Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours. We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address ReasonableAccommodationsUKI@aecom.com if you would like to apply through the Disability Confident Interview Scheme. All your information will be kept confidential according to EEO guidelines. ### ReqID J10132283 ### Business Line Transportation ### Business Group DCS ### Strategic Business Unit Europe & India ### Career Area Engineering ### Work Location Model Hybrid ## At a glance - Posted by the employer: Jun 8, 2026 - First seen by OpenNash: Jul 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 133 days - Location: Cardiff, GBR[Apply on AECOM’s careers site →](https://aecom.jobs/jobs/B3E945F49DEA486CAEC0F0A6D8ED5CA2/job/) ## More jobs at AECOM ### [Bridge Structures Engineering Apprentice - Cardiff (2027 Start)](https://jobs.opennash.com/companies/aecom/jobs/2f88caafe1d4da8d54e7/) Cardiff, GBR ### [Civil Engineering Graduate Water / Cardiff](https://jobs.opennash.com/companies/aecom/jobs/1146f51f15420cbb8d08/) Cardiff, GBR ### [Graduate Construction Project Manager - Bristol & Cardiff (2027 starts)](https://jobs.opennash.com/companies/aecom/jobs/53fad3122b9c69e86326/) Cardiff, GBR ### [Graduate Highway Engineer - Cardiff (2027 Start)](https://jobs.opennash.com/companies/aecom/jobs/5043e286b6e1c2d65e9c/) Cardiff, GBR ### [Highway Engineering Apprentice - Cardiff (2027 starts)](https://jobs.opennash.com/companies/aecom/jobs/7fb36e22f53ee595e604/) Cardiff, GBR ## Similar jobs at other companies ### [Traffic Management & Control Configuration Engineer](https://jobs.opennash.com/companies/hitachi/jobs/4abd80d41b27ef451313/) Hitachi · Genova, Liguria, Italy ### [Security Engineer II, Traffic Quality, Traffic Quality](https://jobs.opennash.com/companies/amazon/jobs/c2a33b710df9ae05c95b/) Amazon · GB, London ### [Traffic/Transportation Clerk](https://jobs.opennash.com/companies/safran/jobs/58730106cb1bedffbf3f/) Safran · Mexicali ### [Rail Traffic Controller](https://jobs.opennash.com/companies/siemens/jobs/41dad6a6dc1b3ece98f1/) Siemens ### [Traffic Management Center Operator (Flexible Availability Required)](https://jobs.opennash.com/companies/ferrovial/jobs/3559e1859eeb5b91f2be/) Ferrovial · Charlotte [Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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