Our client is an ASX-listed Australian water technology company experiencing significant growth across the industrial water and wastewater treatment sectors.
Specialising in industrial water treatment, wastewater management and PFAS remediation, the business delivers innovative, engineered treatment solutions to major clients across the data centre, mining, infrastructure, defence and industrial sectors.
With a rapidly expanding project portfolio and strong investment in technology and innovation, the company offers an exciting opportunity to join a growing business at the forefront of advanced water treatment solutions.
Position Summary
We are seeking a Site Engineer (Water Treatment) to support the delivery, commissioning and operation of industrial water and wastewater treatment projects across Australia.
Based in Sydney, this role is ideally suited to a Chemical or Mechanical Engineer with strong technical and practical experience who enjoys working across both office and site environments.
The position offers exposure to a diverse portfolio of projects, ranging from large-scale Design & Construct (D&C) and Build, Own, Operate (BOO) treatment facilities through to smaller-scale, temporary and mobile water treatment systems.
Working across the data centre, mining, infrastructure and industrial sectors, the successful candidate will support projects throughout their lifecycle, from engineering and construction through to commissioning, operations and ongoing performance optimisation.
Key Responsibilities
- Support the delivery of industrial water and wastewater treatment projects, including D&C, BOO and temporary treatment solutions.
- Coordinate site engineering activities, installation, construction, commissioning and operational support.
- Assist with project execution, including scheduling, cost estimation, procurement and progress tracking.
- Coordinate subcontractors, suppliers and site personnel to ensure safe and efficient project delivery.
- Ensure compliance with WHS, environmental and quality management requirements.
- Prepare technical documentation, operating procedures, commissioning reports and project close-out documentation.
- Support treatment plant performance optimisation, troubleshooting and ongoing operational improvements.
- Work closely with internal engineering, technical and project delivery teams to support successful project outcomes.
Required Experience
- Degree qualified in Chemical Engineering, Mechanical Engineering or a related discipline.
- 2–6+ years' experience in water or wastewater treatment, site engineering, commissioning or project delivery.
- Experience working on industrial, mining, infrastructure or water treatment projects would be advantageous.
- Hands‑on, site‑focused approach with the ability to work autonomously and coordinate site activities.
- Willingness and flexibility to travel regularly to project sites across Australia.
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Site Engineer (Water Treatment) in Sydney employer: W3 Associates Pty
Our client is an exceptional employer, offering a senior leadership role in a well-established Australian engineering firm that is at the forefront of water infrastructure solutions. With a strong focus on employee growth and development, the company fosters a collaborative work culture where innovation and operational excellence are highly valued. Located in Canberra, this position not only provides significant influence over business strategy but also presents diverse project opportunities, ensuring a rewarding career path for those passionate about making a meaningful impact in the industry.
