Principal Bridge Design Engineer

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.

How you’ll make a difference

• Act as Technical Lead / Design Authority for major bridge projects.
• Lead delivery of complex bridge solutions, including:
  • Major river crossings and long‑span structures
  • Freight, rail, and heavy‑haul infrastructure
• Provide high‑level technical review, design certification, and risk management.
• Lead and oversee compliance with AS 5100, Austroads, MRWA, and project‑specific requirements.
• Support bids, tenders, and proposals, including methodology, resourcing, and fee inputs.
• Build and maintain strong client relationships.
• Mentor senior and emerging engineers and contribute to capability development.
• Represent the business at client meetings and industry forums.

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.

• 15+ years’ experience in bridge and major infrastructure design.
• Chartered Professional Engineer (CPEng) – Engineers Australia.
• Demonstrated experience working with Main Roads WA projects and standards.
• Proven track record leading multidisciplinary design teams in a consultancy environment.
• Strong commercial awareness and client‑facing capability.
• Ability to provide clear technical direction and professional judgement.

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 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, d