Engineer, Process

• Permanent, full-time | Based at Altona + other treatment plant sites
• Join an experienced team driving treatment performance and sustainable water outcomes
• Salary based on experience: starting from $89,705 + 12% super + mobile allowance

About Greater Western Water

We’re water… and more.

GWW is a Victorian government owned water corporation that provides an essential service to some of the fastest-growing communities in Australia, stretching from Melbourne’s CBD to Lancefield in the north and Bacchus Marsh in the west. Click here to learn more

Benefits

• Free onsite parking (subject to availability)
• Gender neutral, 16-week parental leave
• Eligible full-time employees may access additional Work Life Balance Days, subject to eligibility criteria, helping you prioritise wellbeing and flexibility.
• Free income protection and salary continuance insurance
• Access to corporate health insurance deals with major providers
• Wellbeing, prayer, and sensory rooms in the Footscray and Sunbury office

The opportunity 

The Southern Recycled Water Operations team is seeking a motivated engineer to grow their expertise and contribute to wastewater treatment operations. Based at our Altona Treatment Plant and also supporting our Melton & Bacchus Marsh Plants, you'll partner with experienced operational professionals to improve plant performance and support safe, reliable service delivery.

As Process Engineer, you'll use data, engineering knowledge and collaboration to optimise wastewater treatment systems, improve asset performance, reduce operational risks, and deliver safe, sustainable services for our customers and communities.

You will be required to work at operational sites, in a safe and effective team environment within the framework of our health, safety, environment and quality (compliance) management systems.

Work alongside experienced operators and engineers to monitor performance, solve complex process challenges and use data-driven insights to improve wastewater treatment outcomes, this is the role for you.

Responsibilities

• Analyse plant performance data and operational trends to identify opportunities for improved treatment performance, reliability and efficiency.
• Optimise wastewater and recycled water treatment processes through data-driven problem solving, monitoring and continuous improvement.
• Manage water quality monitoring programs and ensure compliance with operational, environmental and regulatory requirements.
• Use SCADA, monitoring systems and performance reporting tools to generate insights, manage risks and support operational decision-making.
• Collaborate with operational, project and technical teams to implement engineering solutions that improve safety, compliance and asset performance.

Skills & Experience

• Degree in Chemical, Mechanical, Environmental or Civil Engineering, with a focus on water, wastewater or process engineering, or equivalent experience.
• Experience in wastewater treatment operations and process optimisation, including activated sludge systems, nitrification, denitrification and process performance monitoring.
• Strong analytical, problem-solving and data interpretation skills, with the ability to translate operational data into practical improvement opportunities.
• Sound understanding of wastewater treatment principles and the ability to investigate and resolve complex technical and operational challenges.
• Experience using operational data, process control systems and performance reporting tools; willingness to develop capability in process modelling software such as BioWin or SUMO.
• Effective communication and stakeholder engagement skills, with the ability to work collaboratively across operational teams, technical specialists and service providers.
• Self-motivated and adaptable, with a commitment to continuous learning, innovation and operational excellence.
• Current driver's licence and willingness to work across operational sites and participate in an after-hours incident response roster as required.

See yourself thrive

Our vision for GWW is Thriving People and Country. We aim to be as diverse as the communities we serve and are deeply committed to building a workplace where everybody thrives. We’re supportive, inclusive, and friendly, and value everyone for who they are and what they can bring.  

We’re seeking applicants across all cultural backgrounds, genders, and abilities, and will make reasonable adjustments as required, so please talk to us about what you need.

Don’t meet every single requirement? If you’re excited about this role, we encourage you to apply.

The successful candidate will be required to complete pre-employment checks, including reference checks, medical assessments, a national police check, and verification of working rights in Australia.

Please note: this role has been classified as a Critical Worker under the Security of Critical Infrastructure (SOCI) Act and GWW’s Critical Infrastructure Risk Management Program. As such, the successful candidate will also be required to undergo additional security clearance checks in line with legislative obligations.

Applications close: Tuesday, 29 September 2026