* ASX 100 and perennial high-performing company underpinned by a growing world-class portfolio of mining operations across multiple commodities, including Iron Ore and Lithium.
* A technical role with career growth potential to Principal level, working across iron ore and lithium projects in Western Australia.
* Live Your Best Life Our benefits give you access to deals, discounts, and support that help you unlock the important things in life – Health, Family, Recreation and Your Future with MinRes.
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The Opportunity
The Senior Water Engineer – Systems Design & Delivery will play a crucial role in delivering high‑quality engineering designs for water infrastructure systems across all MinRes hubs – Onslow, Central Pilbara, and Lithium .
Reporting to the Principal Water Engineer – Systems Design & Execution, you will focus on the design of pumping systems, pipelines, borefields, and water treatment facilities, while supporting control system integration. Your designs will underpin water supply from source to operation, ensuring reliability, efficiency, and compliance with MinRes engineering standards.
This role offers the opportunity to work closely with hydrogeologists and surface water teams, translating water source planning into engineered solutions, and supporting project execution and commissioning.
Key Responsibilities
* Develop engineering designs for water infrastructure systems, including pipelines, pump stations, borefields, and storage facilities.
* Produce and review specifications, schematic drawings, and technical documentation in line with company standards.
* Apply hydraulic modelling tools such as WaterGEMS to optimise system performance and capacity.
* Assist in the design of control and automation systems (SCADA, Miri ) for efficient water system operation.Support QA/QC reviews of detailed designs and execution work undertaken by the CSI team.
* Provide engineering input during project commissioning, takeover, and handover stages.
* Collaborate with hydrogeology teams to align engineering designs with water source availability and mine plan requirements.
* Ensure designs meet regulatory, environmental, and operational requirements.
* Support operational teams post‑handover with technical advice, optimisation recommendations, and troubleshooting.
What is required?
* Tertiary qualifications in Civil, Mechanical, or Water Engineering (or closely related discipline).
* Significant experience in the design of mining or industrial water infrastructure systems.
* Proven ability to use hydraulic modelling software (WaterGEMS experience highly regarded).
* Familiarity with control/automation design for water systems (SCADA, Miri) highly regarded.
* Strong understanding of pipelines, pumping systems, borefield supply, and water treatment technology.
* Knowledge of QA/QC procedures for engineering design and execution projects.
* Excellent communication and teamwork skills, with the ability to collaborate across technical disciplines.
* Current WA driver's licence.
About Mineral Resources
MinRes is a leading diversified resources company with extensive operations in iron ore, lithium, energy, and mining services across Western Australia. Our commitment to innovation and our people has made MinRes one of the ASX's best‑performing companies since listing in 2006.
Our Osborne Park headquarters offers world‑class facilities including a café, restaurant, commercial gym, crèche, daycare, and health centre. At MinRes, the future's bright — be part of our next chapter.
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