Associate Director Mechanical Engineer - Building Engineering

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.

As we continue to strengthen our presence in Perth, we are seeking an Associate Director - Mechanical Engineer to join our Building Engineering team. This opportunity is ideal for a well-connected industry professional who brings deep technical expertise, strong client engagement skills, and experience delivering complex projects across multiple sectors.

How you’ll make a difference:

• Provide strategic leadership across major mechanical projects, overseeing technical delivery and ensuring commercial performance and client satisfaction.
• Lead and grow client relationships across health, defence, aviation, transport, and other key sectors in Perth.
• Drive technical excellence by setting design direction, conducting high-level reviews, and ensuring best practice standards across all mechanical deliverables.
• Mentor and develop engineering talent, building capability within the team and creating clear pathways for career progression.
• Contribute to business growth through work winning, market engagement, and strengthening AECOM’s reputation as a trusted technical leader in the region.

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.

• Chartered Engineer with WA professional engineer registration, or transferrable RPEQ/RPEV registration. Equivalent recognition with a relevant professional body will also be considered.
• Ideally, 15+ years’ experience in a Building Services consultancy or significant design experience within the Mechanical Contracting field.
• Proven record in technical design and project delivery while building and maintaining strong client relationships.
• In-depth knowledge of Building Services projects and Standards, able to share technical expertise with clients, junior engineers, and broader teams across major projects.
• Experience managing multiple technical projects simultaneously, with demonstrable design experience across a variety of market sectors.
• Excellent communication and soft skills, with a passion for mentoring and developing junior engineers.

Why you’ll love working with us:

• Flexible work arrangements, including alternative start/finish times, job-sharing and hybrid work options
• Purchase up to 6 weeks additional annual leave per year
• Flex public holidays - swap Easter or other holidays for ones that suit you better
• Continuous learning and growth - lunch and learns, professional development courses, financial study assistance, 5 days paid study leave, global career opportunities

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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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.