Principal / Director Level Mechanical Engineer - Water Infrastructure

AECOM; Nambour; Hybrid; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible work arrangements

Additional annual leave

Volunteer leave

Flexible public holidays

Job summary

AECOM’s Water Infrastructure group is growing and seeking a Mechanical Engineer to join our South-East Queensland team. You’ll lead mechanical design across water and wastewater projects and mentor engineers, contributing to a high-performing, safety-focused delivery culture.

You’ll work with Australia and New Zealand specialists and be part of a flexible, hybrid work environment, with an emphasis on technical excellence and client satisfaction.

Qualifications

• A relevant tertiary degree, CPEng & RPEQ.
• Extensive mechanical design experience in water and/or wastewater projects within a dynamic consulting and design environment.
• Proven ability to lead complex projects and multidisciplinary teams, using strong commercial acumen and business analysis skills to deliver successful outcomes.
• Exceptional written and verbal communication skills with an ability build relationships and engage with a diverse range of stakeholders at varying levels.
• Commercial and strategic acumen, with the ability to make informed decisions that balance profitability, efficiency, and market insight.

Responsibilities

• Lead and review mechanical design delivery across major water, wastewater, and conveyance projects.
• Ensure technical and delivery excellence, maintaining the highest standards of quality, safety, governance, and client satisfaction.
• Guide and mentor engineers and designers, contributing to the growth of our talent pipeline whilst focusing on technical excellence.
• Build and maintain strong relationships working with various clients across a range of sectors.

Skills

Project leadership

Stakeholder management

Communication

Relationship building

Business acumen

Education

Tertiary degree

CPEng

RPEQ

Job description

Company Description

“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.

Job Description

AECOM’s Water Infrastructure group is growing and is currently seeking an engaging and collaborative Mechanical Engineer to join our South‑East Queensland team.

This role will give you the opportunity to network across all areas of the business and with our leading specialists in Australia and New Zealand and globally, building your professional profile and carving a career pathway that will make a difference.

How you’ll make a difference

• Lead and review mechanical design delivery across major water, wastewater, and conveyance projects.
• Ensure technical and delivery excellence, maintaining the highest standards of quality, safety, governance, and client satisfaction.
• You will guide and mentor engineers and designers, contributing to the growth of our talent pipeline whilst focusing on technical excellence.
• Build and maintain strong relationships working with various clients across a range of sectors.

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.

The qualities that help you thrive

• A relevant tertiary degree, CPEng & RPEQ.
• Extensive mechanical design experience in water and/or wastewater projects within a dynamic consulting and design environment.
• Proven ability to lead complex projects and multidisciplinary teams, using strong commercial acumen and business analysis skills to deliver successful outcomes.
• Exceptional written and verbal communication skills with an ability build relationships and engage with a diverse range of stakeholders at varying levels.
• Commercial and strategic acumen, with the ability to make informed decisions that balance profitability, efficiency, and market insight.

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.

Learn more about life at AECOM:

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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 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 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.

Work Location Model: Hybrid