Job Description
CSI can offer you!
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ASX 200 company – a dynamic global leader driven by cutting-edge innovation.
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We invest in your career through leadership, upskilling, training and development programms.
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Live Your Best Life! Our benefits provide access to deals, support and discounts to help you focus on the key things in life – health and family.
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The Opportunity
n We are seeking an experienced Mechanical Supervisor to provide day-to-day direction and supervision of maintenance crews at our Mount Marion lithium site. You will be responsible for ensuring safe, efficient and high-quality maintenance activities. This crucial supervisory role ensures the reliability and performance of our fixed dry plant.
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This role is a full time permanent role, on an 8D 6RR roster - FIFO from Perth.
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Your primary responsibilities will include:
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Supervise and schedule day-to-day mechanical maintenance, repair, and breakdown work on fixed plant equipment, including crushers, conveyors, screens, and associated infrastructure.
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Plan and oversee preventative maintenance schedules to maximise equipment reliability and lifespan.
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Conduct regular inspections, fault diagnosis, and root cause analysis to minimise plant downtime.
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Organise and action registers for all safety and management issues highlighted from daily reports and inspections.
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Monitor and uphold equipment condition to the highest standard.
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Implement and improve Quality, Environmental and other Company policies.
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Ensure all employees and contractors are suitably qualified for their roles in conjunction with HR and Site Management.
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Conduct professional new employee inductions and annual staff performance and goals reviews.
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Arrange rosters and maintain manning levels to support continuous operations.
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Utilise strong problem solving and analytical skills to find solutions and coach and mentor the team to come up with solutions themselves.
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What is required?
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To be successful in this role, you will have previous experience in a Supervisory role and must have a robust knowledge of fixed and mobile crushing and screening equipment.
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C Class Driver's Licence.
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Schedule 26 LGIRS certification and strong commitment to health and safety of the team.
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Current First Aid certification.
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Experience with computerised maintenance management systems (CMMS).
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Sound knowledge of mechanical systems, jaw and cone crushers, product screens, conveyors, hydraulic and pneumatic equipment, pumps, gearboxes, and materials handling equipment.
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High Risk Work licences (e.g., crane, forklift, EWP, rigging).
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Certificate IV or Diploma in Frontline Management or equivalent.
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Relevant Trade Qualification and Supervisory experience.
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Previous experience working in a fast pace Crushing Plant or similar Fixed Plant environment in a supervisory capacity.
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Australian work rights.
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About Mount Marion
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Mt Marion is located 40kmsouth-westof Kalgoorlie in the Goldfields region of Western Australia. MinRes manages all mining activities at Mt Marion, including a spodumene concentrate processing plant with an annual production capacity of 600,000 tonnes (SC6 equivalent).
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About Mineral Resources (MinRes)
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Mineral Resources Ltd (ASX: MIN) is a leading diversified resources company with extensive operations in lithium, iron ore,energyand mining services across Western Australia. We are a growing industry leader on the back of our desire to think differently, navigate challenging operating landscapes and seize new opportunities.
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At MinRes, the future's bright. Be part of our next chapter.

📌 Supervisor Mechanical (Western Australia)
🏢 Mineral Resources
📍 Western Australia