Principal / Associate Director
- Mechanical Engineer (Buildings)
- Full-time
- Business Group: DCS
- Legal Entity: AECOM Australia Pty Ltd
- Business Line: B&P;
- Buildings & Places
- Work Location Model: Hybrid
- Operating Group: International
- Primary

Location:
AU
- Sydney, NSW Come and 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 social infrastructure, transit, technology and logistics, and commercial and corporate real estate, while focusing on solutions that promote long term health and wellbeing for all. 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 strategic growth, we are looking for an Associate Director or Principal level Mechanical Engineer to join our Building Engineering team, based in Sydney. This opportunity is ideal for a well-connected industry professional who brings deep technical expertise, strong client engagement skills and experience delivering complex building engineering projects across multiple sectors. How you’ll make a difference:




- Lead mechanical design and delivery for major client projects, from concept through to completion.
- Apply your extensive design experience to deliver creative, practical and cost-effective solutions across projects of varying size, scope and complexity.
- Participate in technical reviews and design assurance, ensuring project deliverables meet the highest standards.
- Work collaboratively within multidisciplinary engineering teams, contributing to interdisciplinary reviews and project outcomes.
- Build strong relationships with clients and stakeholders, helping to drive successful project delivery.
- Mentor and develop junior engineers, sharing your technical knowledge and supporting the growth of our local and national teams.
- Undertake quality control reviews of design calculations, drawings and technical documentation. 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.
- Chartered Engineer with relevant professional engineer registration, or transferrable RPEQ/RPEV registration. Equivalent recognition with a relevant professional body will also be considered.
- Ideally, 11+ 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. Due to the nature of projects, Australian Citizenship is required, with current / previously held defence clearance highly regarded. 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. 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. AECOM acknowledges the Traditional Owners and Custodians of the landson which we, our clients and our com

📌 Principal / Associate Director - Mechanical Engineer (Buildings) (Sydney)
🏢 Aecom
📍 Sydney