Question
FULL_TIME
10+

Water/Wastewater Process Engineer

5/10/2026

Lead and manage complex water and wastewater projects from feasibility and design through to implementation and commissioning. Act as a trusted advisor to clients while mentoring junior engineers and supporting business growth.

Working Hours

40 hours/week

Company Size

5,001-10,000 employees

Language

English

Visa Sponsorship

No

About The Company
Aurecon is a design, engineering and advisory company. Our purpose is bringing ideas to life, to imagine and co-create with our clients a better future for people and the planet. Our culture of Believe it. Say it. Do it. reflects our deep commitment to our clients and each other to build trust and create a better future together. We are a team who place eminence, digital and innovation at the core of all we do. Our strength lies in how we bring together our design, engineering and advisory capabilities to provide our clients with integrated solutions across the entire asset lifecycle. From shape and plan – design and deliver – operate and optimise – to close and transform. Aurecon designers, engineers, scientists and advisors work with our clients across markets and asset types, to tackle some of the world’s most complex challenges. We are an owner managed company with a strong presence across Australia, New Zealand, and Asia. To learn more about what we have been up to visit our newsroom (aurecongroup.com/about/latest-news), or take a glimpse into the future on our Just Imagine blog (justimagine.aurecongroup.com).
About the Role

We’re looking for an Associate Water or Wastewater Engineer to join our team – someone who brings a strong mix of process or mechanical engineering expertise, coupled with a proven ability to work directly with clients in New Zealand.


In this role, you’ll take the lead in designing and delivering complex water or wastewater projects, ensuring high-quality outcomes for our clients. You’ll be a key part of our multidisciplinary team, helping to shape solutions that are innovative, sustainable, and future-focused.

Key Responsibilities:

• Lead and manage water or wastewater projects from feasibility and design through to implementation and commissioning, ensuring successful delivery across scope, budget, timelines, and resources.

• Build and strengthen client relationships by acting as a trusted advisor and primary point of contact, while leveraging your existing network to identify new opportunities and support business growth.

• Provide tailored engineering solutions that align with client objectives, regulatory requirements, and industry standards, working closely with multidisciplinary teams throughout project delivery.

• Stay current with emerging technologies, industry trends, and regulatory changes, applying this knowledge to continuously improve project outcomes and service offerings.

• Mentor and support junior engineers and team members, contributing to capability growth and a collaborative team environment.


Required Skills and Qualifications:

• 12–15 years’ experience in water or wastewater treatment, with strong capability in process design and/or wastewater process modelling using BioWin and/or SUMO.

• Proven ability to win and deliver work, manage process components end-to-end, and successfully oversee project budgets, timelines, and resources.

• Advanced qualifications in Chemical and Process Engineering, Wastewater Engineering, Civil Engineering, Environmental Engineering, or a related discipline. Professional accreditation and project management certification are highly desirable.

• Strong understanding of relevant industry regulations and standards, along with an established client network within the water or wastewater sector.

• A self-driven, personable, and client-focused approach, with the ability to build trusted relationships and contribute positively to team and project environments.


Ready to bring ideas to life?   
Then please apply now! We are an equitable-opportunity employer that values diverse perspectives and the contribution that every one of our people makes to our culture. Put simply, we want you to bring your whole self! 
   
Whakahā ngā whakaaro / Breathing life into our ideas, thoughts, views   
Kia māia, kia kaha, mahi tahi / Be bold, be strong, work as one  

Key Skills
Process DesignWastewater Process ModellingBioWinSUMOProject ManagementClient Relationship ManagementChemical EngineeringEnvironmental EngineeringCivil EngineeringRegulatory ComplianceFeasibility StudiesCommissioning
Categories
EngineeringEnvironmental & SustainabilityConsultingManagement & Leadership
Apply Now

Please let Aurecon know you found this job on InterviewPal. This helps us grow!

Apply Now
Prepare for Your Interview

We scan and aggregate real interview questions reported by candidates across thousands of companies. This role already has a tailored question set waiting for you.

Elevate your application

Generate a resume, cover letter, or prepare with our AI mock interviewer tailored to this job's requirements.