Senior Engineer - Mechanical Design

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Water Corporation is seeking a Senior Engineer Mechanical Design in Leederville, WA for a 2-year fixed term onsite to lead and deliver complex mechanical designs. You’ll plan, define and manage projects, provide technical advisory, act as a centre of expertise for planners, designers, constructors and operators while coordinating consultants and tender processes. The role requires a mechanical engineering degree, experience delivering infrastructure assets and leading design reviews, with a track record of stakeholder negotiation and collaboration; water experience is advantageous but not essential. Benefits include flexible work options, wellbeing days, long service leave, generous superannuation, and tailored leave. To apply, submit a cover letter and resume that demonstrate your leadership on complex pumping system or valve projects, your experience delivering infrastructure assets, and your collaboration with diverse stakeholders, and be prepared for pre-employment screening.

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 2 year fixed term opportunity for a Senior Engineer Mechanical Design joining our engineering team. You’ll undertake, lead and delivers quality planning, definition, design and design management services on multiple complex projects across WA. Also providing a centre of expertise, technical support and advice to planners, designers, constructors and operators as well as set our standards. This is a fantastic opportunity to help Water Corporation adopt more sustainable, reliable and easier approach to providing one of life's essentials – water. The role will be based in our Leederville office and will report to our Team Lead – Mechanical Design.

Real benefits that matter

• Real flexibility with options to work from home, and flexible work hours
• Two well-being days each year to do whatever you need to do to feel good
• 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

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

What the role will involve

• Plan and manage the development and delivery of complex designs and reports for the solution of engineering problems using in-house or external resources
• Prepare briefs for engagement of consultants; evaluate consultant proposals and makes recommendations
• Manage the planning, definition and design of projects by consultants and review outputs and performance for conformity to appropriate design criteria, client requirements and to agreed time and cost
• Manage the preparation of tender documents and undertake tender analysis
• Deliver engineering designs or mechanical engineering advice for the solution of engineering problems using in-house or external resources 
• Provide advice to and liaise with internal customers, external suppliers, service agencies, consultants, industry regulators and agencies in relation to infrastructure design
• Contribute to the development and maintenance of mechanical engineering standards and product specifications

About you

You’ll have a degree level qualification in mechanical engineering, along with experience in relation to design and management of delivery of infrastructure assets. You’ll also have experience in the preparation of detailed designs and review of technical reports and tender specifications for significant pumping system and/or valve complexes. Your demonstrated leadership, and ability to collaborate, negotiate and influence both senior internal and external stakeholders will ensure success in this role. Previous water related professional engineering experience is advantageous but not essential.

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. 

As part of the recruitment process you may be required to complete pre-employment screening which may include a medical, qualification check, police clearance and Australian working rights check.  

Applications close Monday 2nd February 2026

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 [email protected] or 08 9420 2000. To read our diversity and inclusion statement, please visit our website