Air Quality Specialist

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.

AECOM's environmental practice is dedicated to helping industries, clients and governments meet their environmental responsibilities while protecting the natural environment. We provide advisory and technical services to ensure compliance, manage impacts, and reduce risks, including obtaining permits and approvals, decommissioning and restoring contaminated sites, and tackling climate change challenges and resilience. We focus on preserving habitats, water quality, stakeholder engagement and cultural resources, promoting a holistic approach to environmental impact management at every project stage.

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 .

How you'll make a difference

• Deliver air quality impact assessments, monitoring programs and related technical studies, ensuring high technical standards and timely delivery.
• Manage air quality projects from initiation to completion, including client engagement, reporting and proposal development.
• Collaborate with multidisciplinary teams across AECOM's Air Quality, Sustainability and Resilience groups in Australia and internationally.
• Contribute to greenhouse gas and carbon accounting projects, while mentoring junior staff and supporting business development activities.

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.

• Bachelor's degree in Science, Engineering, Environmental Management or a related discipline with 2+ years experience in air quality or environmental consulting, with strong technical and project delivery skills.
• Proficiency in air quality dispersion modelling (e.g. TAPM, AERMOD, CALPUFF, CAL3QHCR), with experience in GRAL, WRF or GIS viewed favourably.
• Experience developing emission inventories, air quality management plans and recommending practical mitigation strategies.
• Strong technical writing and communication skills, with experience preparing reports, proposals and engaging directly with clients.
• Familiarity with greenhouse gas or carbon accounting, air quality monitoring, and the ability to work safely on site and in remote environments.

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
• Swap 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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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: 

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 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.