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AECOM
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Lead Process Engineer - Water Infrastructure
420 George Street, Sydney
Engineering , Engineering Chemical , Engineering Mechanical , Engineering Process , Wastewater Treatment , Water Treatment
Posted : 30/10/26
Applications Close :29/11/26
Due to significant contract awards within our Water business, we are expanding our Water Infrastructure team across Australia and have a rare opportunity for a Lead Process Engineer to join the team based in either our Sydney or Newcastle office.
By joining our team, you’ll be immersed in a strong, long-term pipeline of work, handling complex, large-scale and iconic projects across Australia & New Zealand.
How you’ll make a difference:
Develop and implement innovative process engineering strategies and solutions for wastewater treatment projects.
Provide guidance on technical challenges and solutions, including advanced process technologies and sustainability practices.
Build and maintain strong relationships with clients by understanding their challenges and delivering tailored solutions.
Mentor and develop junior engineers and technical staff, fostering a culture of innovation and continuous learning.
About You
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:
Relevant tertiary degree (essential)
Experience in the wastewater treatment industry at technical leadership level
Strong knowledge of wastewater treatment processes, technologies and environmental regulations in Australia and New Zealand
Proficiency in process engineering, data analysis and strong analytical/problem-solving skills.
Excellent communication and stakeholder engagement skills, with the ability to build trusted relationships with clients and project partners.
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?




