“I work for AECOM because we cover a broad engineering landscape which challenges our engineering and consultancy skills through the best projects. The depth of skill and knowledge across the regions means anything is possible.” – Sean O'Leary, Technical Director, ANZ Building Services Lead

Come grow with us.

Our global portfolio of work comprises the design of iconic and award-winning buildings and landscapes. From strategic planning through to project realisation, the connections we make among people and place provide sustainable outcomes for our clients and the communities we serve. We place a premium on investing in digital capabilities and innovations which bring a unique consistency and efficiency to our scalable work. Together with our clients, we are working to evolve and elevate the built environment across sectors including data centres, major national defence projects, social infrastructure, transit and technology projects across Australia.

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.

Due to continued growth, we are looking for an experienced Associate Director (Mechanical) to help lead and grow the Building Services team in Sydney.

This role presents a unique opportunity to be recognised as a Director in our national Building Engineering team, delivering some iconic projects across ANZ and across a variety of market sectors, while still having a focus on growing and shaping the local team in Sydney. 

How you’ll make a difference:

• Lead the delivery of complex, multi-disciplinary projects across sectors such as health, defence, transport, commercial, aviation, data-centre or other major building sectors around NSW/ACT.
• Lead mechanical and multidiscipline building services design and end-to-end project delivery, including oversight of technical quality, coordination and design management across other disciplines such as electrical, fire protection and hydraulics.
• Actively build and maintain strong client relationships to support business development and further secure a robust pipeline of future work.
• Collaborate effectively within multi-disciplinary engineering teams, applying deep technical expertise to drive quality outcomes through rigorous review of design calculations, specifications, models and drawings, ensuring best-practice documentation and coordinated project outputs.
• Provide leadership, coaching and mentoring to junior and intermediate engineers, contributing to their technical development and supporting high-quality design documentation and project delivery.
• Leverage an established local network to strengthen AECOM’s presence in NSW, with a clear expectation to grow and develop the Sydney building services team as part of the national Building Engineering team.

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.

The qualities that help you thrive:

• Ideally, 15+ years’ experience in building services consultancy or contracting design with a strong mechanical engineering background. Furthermore, Chartered status (CPEng) essential, other registrations highly regarded
• Demonstrated leadership in technical design and multi-disciplinary project delivery
• Deep knowledge of building services systems, standards and best-practice design, with the ability to guide clients, mentor junior engineers and provide technical direction across complex project environments.
• Proven ability to manage multiple concurrent projects, lead multidiscipline bids for building engineering projects, and collaborate effectively with senior leaders to support business development and operational performance.
• Proven track record of enhancing long-term client relationships and working across key sectors such as data centres, commercial, aviation, defence or broader building markets.
• Strong communicator and leader with a passion for growing teams, coaching emerging engineers and driving quality, innovation and continuous improvement within the building services team.
•  An understanding of the Sydney building engineering market and its dynamics.

Why you’ll love working with us:

• Be part of a nationally recognised, global engineering business
• Work on high-profile, technically challenging projects across key sectors across ANZ
• Join a collaborative culture and work with teams across ANZ
• 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         
• 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.

Learn more about life at AECOM: LinkedIn, Facebook , Instagram, X, YouTube - explore our AECOM voices, employee stories, latest projects, and much more!

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 2024. 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.