Principal Traffic & Transport Engineer

“Being part of diverse teams tackling major projects, learning new skills, and delivering real benefits for communities is what makes AECOM such a great place to work and grow.” Brigette Ellis Team Manager - Transport Planning (NSW)

Come grow with us. 

AECOM is involved in the most interesting and challenging transport infrastructure projects that are shaping the landscape around us and defining the future of Australia and NZ. We live and breathe culture, making sure our lives are integrated with our professional development and we actively enjoy the journey.

Our teams work collaboratively across the world and our transportation experts leverage local knowledge and global capability to help clients navigate challenges and build a better world. Our expertise in planning, designing, and managing transportation systems allows us to help public and private clients move people and goods in smarter, more advanced, and sustainable ways.

Everyone belongs at AECOM

We’re committed to diversity, equity, inclusion, and belonging - because great ideas come from diverse perspectives. AECOM is proud to be a Fortune 500 Most Admired Company, a WGEA Employer of Choice for Gender Equality, #Work180 Equitable Workplace Awards 2025 Winner and an AWEI Bronze Tier LGBTQ+ Inclusive Employer.

AECOM’s Transport Planning and Traffic Engineering teams are continuing to grow across both Sydney and Melbourne, with a strong pipeline of major transport infrastructure, precinct development and city-shaping projects already underway across NSW, Victoria and the broader ANZ region.

From road and motorway upgrades to integrated transport planning, active transport, precincts and complex multidisciplinary infrastructure projects, our teams are helping shape how communities move now and into the future.

As momentum continues to build, we’re looking to connect with experienced Principal Traffic & Transport Engineers who enjoy solving complex challenges, leading technical delivery and mentoring the next generation of engineers and planners.

How you’ll make a difference

A day in the life of a Principal Transport Engineer involves a mix of technical leadership and people leadership, including:

• Solving complex technical challenges on multidisciplinary transport and infrastructure projects

• Coaching and mentoring our talented professionals and graduates

• Working closely with clients to shape solutions and deliver project outcomes

• Managing project delivery to ensure quality, efficiency and strong results

• Planning future pursuits and supporting work winning

• Building and strengthening client relationships

• Continuing to grow technical skills across the transport engineering discipline (e.g. impact assessment, road safety, transport design, operational modelling) and leadership skills

The qualities that help you thrive 

The following qualifications and experience are highly desired, but if you don’t tick all the boxes you could still be a perfect fit for this role. Please apply, all applications will be considered.

• A degree in Transport or Traffic Engineering (or a related field) and 10+ years of experience in transport and/or traffic engineering.
• Proven leadership in delivering Transport Impact Assessments, and Road Safety Assessments with a solid understanding of the relevant TfNSW guidelines.
• Demonstrated ability to develop preliminary transport infrastructure designs (e.g. active travel and intersections) aligned with applicable local and national standards, such as the relevant TfNSW guidelines.
• A strong local industry network and excellent communication skills to win work, and a keen interest in mentoring junior staff.

Why you’ll love working with us 

• Flexible work arrangements, including alternative start/finish times, part-time, job-sharing and hybrid work options
• Purchase up to 6 weeks additional annual leave per year         
• Volunteer and representation leave
• Flex public holidays – swap Easter or other holidays for ones that suit you better

Ready to push the limits of what’s possible?

We welcome applications from individuals of all backgrounds, including those with disabilities, additional health or mental health needs, and/or neurodiverse conditions. If you require any adjustments during the hiring process, please let us know.

Applications are reviewed as they come in, and the role may close earlier than expected, so if this opportunity sounds like you, we encourage you to apply as soon as possible.

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AECOM acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and our communities live and work around Australia. We pay our respects to their cultures and to their Elders — past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses.  Find out more about our Australian Reconciliation Action Plan here: https://aecom.com/au/our-vision-for-reconciliation/.

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 culture of equity, diversity and inclusion – 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 and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. 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.