Is this your new career?

MinRes can offer you!

• ASX listed 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.

The Opportunity

The Senior Water Engineer – Surface Water will provide technical leadership and delivery oversight for surface water management systems across MinRes's iron ore and lithium operations and projects. Reporting to the Principal Surface Water Engineer, this role is responsible for developing, coordinating, and delivering surface water studies, wet-season readiness assessments, flood protection studies, and operational performance checks across assigned sites. 

As a Senior Hydrologist/Surface Water Engineer within the team, you will lead hydrological analysis, including RORB rainfall-runoff modelling, hydrological and hydraulic model calibration, closure PMP/PMF estimation and climate change assessment. You will communicate flood and surface water risks clearly to site, mine planning and project study teams.

You will ensure that surface water engineering scopes provide key input into the detailed design of operable solutions, aligned with mine plans, approvals, and water strategies. While primarily based at Osborne Park, you will undertake regular site visits to support technical discussions, wet season readiness, and project reviewsKey responsibilities:

• Lead the development and delivery of surface water engineering scopes across assigned sites.
• Translate Life of Mine, five-year, two-year, and operational plans into concept designs and work packages.
• Analyse monitoring data and provide technical input on rainfall events, catchment response, and system performance.
• Ensure surface water systems are fit for purpose, cost-effective, and aligned with operational requirements.
• Drive annual wet-season preparedness plans, including pre-wet works, contingency measures, and post-event reviews.
• Provide operational support to site teams, including performance issues, flood protection reviews, inspections, audits, and defect resolution.
• Work closely with Hydrogeology, Mine Planning, and Approvals teams to ensure integrated surface water outcomes.
• Manage consultants and contractors to deliver quality, schedule, and value-for-money outcomes.
• Lead flood and hydrological assessments, including calibration and validation of hydrological and hydraulic models against monitoring data.
• Estimate closure PMP/PMF and incorporate climate change projections into design rainfall and flood risk assessments.

• What is required?
• Tertiary qualifications in Civil, Water, Environmental Engineering, or a related field.
• Demonstrated experience in hydrology and flood estimation, including RORB (or similar) modelling, model calibration, PMP/PMF estimation and climate change assessment, ideally in a mining, closure or resources context.
• Extensive surface water engineering experience, ideally within WA’s mining and resources sector.
• Strong expertise in surface water modelling, flood studies, drainage design, and water management systems.
• Proven ability to turn operational plans into engineering designs and work packages.
• Experience in wet season planning, flood risk assessment, and post-event reviews.
• Ability to work across multidisciplinary teams and manage consultants and contractors to deliver quality outcomes.

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.