As Manager - Water Systems ANZ, you will lead market development, technical solution sales and strategic customer engagement across Australia and New Zealand. Reporting to the leadership team, you will be responsible for developing and executing the ANZ water systems strategy while acting as a trusted advisor to customers, consultants and contractors. You will work directly with wastewater treatment plants and influencers to identify operational challenges, develop technically robust solutions, influence project specifications and convert opportunities into successful outcomes.

Key responsibilities

Develop and execute the ANZ growth strategy for Water Systems

Identify and pursue new opportunities within municipal and industrial wastewater markets

Build strong relationships with water authorities, process engineers, consultants, EPC contractors & end users

Influence project specifications during the early design phase

Represent Aerzen at industry conferences, seminars and trade events

Develop strategic partnerships within the water industry

Assess wastewater treatment process performance and identify improvement opportunities

Diagnose operational challenges including nitrification instability, oxygen transfer limitations, process bottlenecks and capacity constraints

Develop and present technically sound and commercially viable solutions

Support customers with troubleshooting, optimisation and technical workshops

About you

Degree qualified in Environmental, Chemical, Process, Civil, Water or related Engineering discipline

7+ years' experience in wastewater treatment, process engineering,



water infrastructure or solution sales

Strong understanding of biological wastewater treatment processes, activated sludge systems, aeration technologies, oxygen transfer principles, and process optimisation and troubleshooting

Demonstrated success in technical sales, business development or account management

Experience working with engineering consultancies, water utilities, contractors or industrial customers

Strong commercial acumen and stakeholder management skills

Ability to travel throughout Australia and New Zealand

Existing network within the Australian water industry

Experience influencing specifications and project design outcomes

Wastewater treatment plant commissioning or optimisation experience

Critical leadership role within a global market leader

Opportunity to shape, grow and develop the team for the ANZ Water Systems business

Competitive salary package including vehicle allowance and performance incentive

Flexibility to be based in Queensland, New South Wales or Victoria

Strong technical support from a global engineering organisation

Career growth opportunities within an international business

Diverse and challenging projects across municipal and industrial sectors

About us

Aerzen is a global technology leader delivering innovative, energy-effective solutions for biological wastewater treatment. We work closely with water utilities, municipal operators, industrial customers, engineering consultants, and EPC contractors to optimise and improve process performance, reduce energy consumption and deliver solutions for sustainable outcomes.

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📌 Manager - Water Systems ANZ (Dandenong)
🏢 Aerzen
📍 Dandenong