Senior Engineer - Process Engineering

Water Corporation is recognised globally for our performance and innovation to secure water supplies for Western Australia in a changing climate. We’re driven to manage water services sustainably to make WA a great place to live and invest. A role at Water Corporation can unlock the door to ongoing long term career development opportunities; we also support training and development, flexible work arrangements, health and lifestyle programs and generous company benefits. If you share our commitment, then consider Water Corporation as the next step in your career.

About the role

We have a permanent opportunity for a Senior Engineer – Water Treatment to join our team. You’ll be a technical expert who specialises in water treatment and highly capable design engineer with a good understanding of water treatment standards. This role is based in Leederville and reports to the Senior Principal Engineer - Water Treatment in the Engineering Business Unit, Advisory section. You’ll also provide a centre of expertise technical support and advice to planners, designers, constructors and operators as well as helping to set our standards.

Real benefits that matter

• Real flexibility with options to work from home, flexible work hours
• Two well-being days each year to recharge, relax and enjoy life (separate to standard paid sick/personal leave)
• Access to long service leave pro rata after 3 years of service
• Take advantage of our co-contribution superannuation scheme. Receive a 12% employer contribution and enjoy an additional 2% employer co-contribution when you elect to salary sacrifice 2%  
• Purchase additional leave of up to 12 weeks or work 4 years at a reduced salary and take the fifth year off as paid leave
• Aboriginal and Torres Strait Islander cultural and ceremonial leave of up to 5 days so you can maintain your cultural connection and wellbeing.
• Annual leave loading – an extra 17.5% pay when you use your annual leave

Discover more benefits we offer to support the unique and individual ways our employees live.

What the role will involve

• Undertake and coordinate complex investigations, conceptual planning and financial analysis for assessment, design, development and remedial works of allocated infrastructure assets
• Develop and maintain engineering design criteria, design standards and manuals for a specific infrastructure design function within the agreed budgetary and time constraints
• Provide a centre of expertise and high-level specialist technical advice on water treatment related engineering criteria and design standards
• Develop and maintain modelling capability and protocols in process and/or hydraulic modelling of water treatment plants
• Prepare job briefs for the engagement of consultants and evaluate consultant proposals. Examine tenders and make recommendations.
• Undertake the role of Design Manager for nominated projects and review outputs and performance for conformity to agreed requirements, standards, time and cost
• Represent the Corporation in consultations and negotiations with Government agencies, local authorities, Water Services Association of Australia, standards organisations, consultants, developers and stakeholders

About you

You’ll have a degree level qualification in a relevant engineering discipline and a strong background in water infrastructure planning and design. You’ll bring considerable experience in process selection for water treatment plants, along with advanced expertise in the design, commissioning, operations, or project management of water treatment assets.

A proven track record in the planning and design of seawater desalination plants and new source investigations, you’ll be confident in preparing and reviewing complex technical reports, consultant briefs, and tender specifications for water industry infrastructure, and possess a sound understanding of water-related infrastructure assets and systems.

Your ability to analyse existing or proposed infrastructure for engineering and economic effectiveness, and to present viable, strategic recommendations, will be key to success in this role. While the above criteria require considerable process engineering experience related to water treatment, individuals with extensive mechanical engineering or process control & SCADA engineering, or similar experience related to water treatment are encouraged to apply.

Sound like a match? Apply today

If you are interested in the above opportunity, please submit a covering letter and resume that best demonstrates your skills and experience as well as your ability to meet the requirements of the role.

Applications close Friday 11th September 2026

We reserve the right to withdraw this ad prior to the closing date. 

Our commitment to a diverse and inclusive workplace

Diversity and inclusion are more than words. They guide us on building a thriving workforce that reflects the diversity of our customers and our community. 

We encourage applications from every background, including Aboriginal and Torres Strait Islander people, people with disability, women, youth, LGBTQIA+ folks and people from culturally and linguistically diverse backgrounds. 

We are committed to ensuring an accessible and inclusive work environment to enable people with disability to participate fully in all aspects of employment. 

Applicants with disability who require adjustments during the recruitment process including an alternative format of the application form, can contact a Recruitment Officer at ••••@watercorporation.com.au or 08 •••• •000. 

To read our diversity and inclusion statement, please visit our website