Water Treatment Site Engineer — D&C/BOO Projects

W3 Associates Pty; Sydney; On-site; AUD 90,000 - 130,000; Full time

Job summary

W3 Associates Pty in Sydney seeks a Site Engineer (Water Treatment) to support delivery, commissioning and operation of industrial water and wastewater projects across Australia.

Based in Sydney, this role suits a Chemical or Mechanical Engineer with hands-on site experience who can coordinate across design, construction and operation.

The position covers large-scale D&C and BOO facilities as well as mobile treatment systems, with travel to project sites across Australia.

Qualifications

• Degree qualified in Chemical Engineering or Mechanical Engineering.
• 2–6+ years' experience in water or wastewater treatment.
• Willingness to travel regularly to project sites across Australia.

Responsibilities

• Support the delivery of industrial water and wastewater treatment projects, including D&C and BOO.
• Coordinate site engineering activities, installation, 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.

Skills

Site-based work

Project coordination

Troubleshooting

Education

Bachelor's degree in Chemical Engineering or Mechanical Engineering

Job description

W3 Associates Pty in Sydney seeks a Site Engineer (Water Treatment) to support delivery, commissioning and operation of industrial water and wastewater projects across Australia.

Based in Sydney, this role suits a Chemical or Mechanical Engineer with hands-on site experience who can coordinate across design, construction and operation.

The position covers large-scale D&C and BOO facilities as well as mobile treatment systems, with travel to project sites across Australia.