Job Description
MACA is seeking an experienced Plant Operations Manager to join our leadership team based in Welshpool.
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Reporting to the General Manager – Maintenance Operations (Australia West), you will lead the strategic and operational management of the company's mobile plant assets, ensuring fleet reliability, safety and cost-effectiveness across all mining services operations.
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Build your future with one of WA's most trusted contractors.
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As a proud Thiess company, MACA is a trusted integrated contracting services group specialising in mining, civil construction, infrastructure, and mineral processing.
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We strive to be the best by investing in our people, understanding our clients' needs, and having a relentless focus on continuous improvement. Our social responsibility is what drives us, and we make an impact through contributions and support we give our communities.
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Key result areas include:
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Lead the development and execution of fleet and asset management strategies that maximise equipment reliability, availability, utilisation, and whole-of-life value across mining operations.
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Provide leadership to maintenance workshop, field service, and asset management teams, fostering a culture of safety, accountability, continuous improvement, and operational excellence.
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Oversee the maintenance and lifecycle management of mobile plant and ancillary equipment, ensuring compliance, minimising downtime, and supporting operational delivery across multiple sites.
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Develop and manage operating and capital expenditure budgets, delivering accurate forecasting, reporting, and recommendations to optimise asset investment and business performance.
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Monitor fleet operating, maintenance, and inventory costs, identifying opportunities to improve efficiency while maintaining the highest standards of safety, reliability, and productivity.
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Drive workforce capability through effective resource planning, succession planning, coaching,



and development to meet current and future operational requirements.
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To be successful in this role, you will have:
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Trade qualification in Mechanical Engineering, Heavy Diesel, Plant Mechanics, or related discipline.
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Minimum 15 years' experience in mining, mining services, heavy industry, or related sectors.
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Demonstrated experience managing large mobile plant fleets.
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Proven leadership experience within maintenance and operational environments.
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Experience developing and managing operational budgets and asset management strategies.
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Strong understanding of maintenance management systems (JDE, Pronto, AMT, or similar).
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Experience managing multi-site operations and dispersed workforces.
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Proven ability to drive sound commercial outcomes.
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Strong written and verbal communication skills including presentation skills.
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Excellent influencing and interpersonal skills with people at all levels.
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Proven ability to demonstrate strong business acumen.
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Excellent organisation and planning skills.
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Strong coaching, mentoring and change management skills.
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What we will offer you:
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A competitive salary and access to a range of corporate discounts and cashback offers from over 350 popular retailers.
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Paid parental leave.
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Access to a dedicated online employee Wellbeing Centre providing education, support and tools to help you live a healthier life.
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Access to salary sacrificing benefits.
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Refer and earn program allowing you to earn up to $2,500 for referring new employees to MACA positions.
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Save up to 10% on your Health Insurance with BUPA, HBF, HCF or Medibank.
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There are many long-term opportunities available across our business, and more on the horizon. There is always room to grow and develop into the qualified you want to be with MACA!
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Make Your Mark.
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MACA is an equal opportunity employer and strongly encourages all females and Aboriginal and Torres Strait Islander applicants.
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📌 Plant Operations Manager (Western Australia)
🏢 Maca
📍 Western Australia