Wastewater Engineer

2 weeks ago


Greater Perth Area, Australia Environmental Engineers International Full time $80,000 - $120,000 per year

Environmental Engineers International Pty Ltd (EEI) is a leading Australian environmental engineering consultancy with over 30 years of expertise in delivering sustainable solutions across industries including mining, water utilities, food processing, energy, and infrastructure. Our work focuses on advanced wastewater and water treatment, membrane separation technologies, nutrient management, remediation, and circular economy innovations.

We are seeking a motivated Chemical/Environmental/Civil/Mechanical Engineer to join our dynamic and growing team. This is an excellent opportunity for an engineer who is passionate about sustainability, innovation, and making a tangible impact through practical environmental engineering solutions.

Key Responsibilities


• Contribute to the design, evaluation, and implementation of wastewater, leachate, and process water treatment systems.


• Support projects in nutrient recovery, waste valorisation, and advanced treatment technologies (e.g. RO, nanofiltration, anammox, biological phosphorus removal).


• Conduct technical analyses, feasibility studies, and process modelling.


• Assist in preparing engineering reports, proposals, and client communications.


• Participate in fieldwork, site investigations, commissioning, and monitoring activities.


• Collaborate with multi-disciplinary teams, industry clients, and regulatory bodies to deliver practical, compliant, and innovative outcomes.

Qualifications and Experience


• Bachelor's degree (or higher) in Chemical, Environmental, Civil or Mechanical Engineering.


• 2–5 years of relevant professional experience preferred (graduates with strong academic and project experience will also be considered).


• Demonstrated knowledge in water/wastewater treatment processes, chemical/biological process engineering, or related fields.


• Strong analytical, problem-solving, and technical writing skills.


• Ability to work both independently and as part of a team in a consulting environment.


• Chartered Professional Engineer (CPEng) status or working towards it (desirable).

What We Offer


• Opportunity to work on challenging, high-impact projects across Australia and internationally.


• Mentoring and career development under award-winning engineers and industry leaders.


• A supportive workplace culture that values innovation, ethics, and sustainability.


• Competitive remuneration package, commensurate with qualifications and experience.

Application Process

Interested candidates are invited to submit:

  1. A detailed CV,

  2. A cover letter addressing the key responsibilities and qualifications, and

  3. Contact details of at least two professional referees.

Applications should be sent to:

Human Resources Manager,

Environmental Engineers International Pty Ltd

; Phone:

Applications close: 8 September 2025



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