“Having worked over 20 years, in both consultancies and council, my experience working at AECOM has been refreshing and motivating” – Dominique Keirens, Technical Director – Water Gold Coast, QLD

Come grow with us.

Balancing the world’s need for safe, reliable water with protecting this critical natural resource for the future requires a deep understanding of interconnected systems.

We work with clients across the entire project life cycle — from initial planning studies through final construction and operations and maintenance services — on both traditional and alternative project-delivery options (design-build, public-private partnerships and financing).

With a robust design and construction division, AECOM offers a unique perspective on designing projects that are fully constructible.

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.

About the role

Exciting opportunities await! With significant contract wins fueling our growth, we're expanding our Water Infrastructure Team in Melbourne, VIC. Our team delivers vital services to a diverse array of clients, tackling challenges in water and wastewater treatment, dams, asset management, major conveyance, and more. We're committed to driving sustainable outcomes for our clients and the communities we serve.

Step into the role of Associate Director Mechanical Engineer and take the lead in shaping strategy, design governance and comprehensive delivery for complex water and wastewater treatment and conveyance programs. As the Lead Verifier, you'll set the technical standard, guide multidisciplinary teams, champion HAZOP/HAZID initiatives, and nurture emerging talent while strengthening client relationships across Victoria. Join us and make a meaningful impact!

How you’ll make a difference

• Act as Lead Verifier for Mechanical design drawings, mechanical plant selection, specifications, WIMES Data Sheets, Valve schedules, Equipment Schedules, lifting strategies, hydraulic headloss calculations and P&IDs.

• Prepare feasibility studies, outline design, detailed design and construction support.

• Liaise and collaborate with our water and other discipline teams including civil, electrical, process and mechanical engineers nationwide.

• Lead a Mechanical Engineering Team in designing mechanical elements for Water Treatment Plants, Wastewater Treatment Plants, and infrastructure projects. This includes developing scopes, proposals, estimates, and programs for projects such as WwTW and WTW.

• Supporting the Project Manager and Design Lead to successfully deliver the Mechanical Scope to program and budget

• Mentor and support junior engineers and provide training and development.

• Visit site to carry surveys and support of liaisons with clients, contractors & suppliers.

• Lead and contribute to design review meetings such as HAZOPs, HAZIDs, ALMs and SWIFTS.

Qualifications

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

• A degree (or equivalent) in Mechanical Engineering.

• Be a Chartered Engineer with a relevant institution, such as IMechE.

• Extensive experience (ideally 15 years +) in leading and delivering innovative solutions for multidisciplinary projects in Water Infrastructure.

• Well-established client networks across Australia, ideally with strong relationships and market presence in Victoria, including key water, infrastructure, government, and contractor stakeholders.

• A proven ability to deliver engineering designs, reports, drawings, technical specifications, and calculations with confidence and precision.

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.

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

About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.

What makes AECOM a great place to work

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.