The Role & Project

MACA are seeking a Purchasing Officer to provide direction and oversight for the purchasing of all materials, parts, equipment and off site services which have been approved for purchase. Additionally, you will help with Identifying alternative suppliers and ensure compliance with national supply agreements.

Build your future with one of WA’s most trusted contractors.

As a proud Thiess company, MACA is a trusted integrated contracting services group specialising in mining, civil construction, infrastructure, and mineral processing.

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.

Key result areas include:

• Procure Heavy Mining Equipment (HME), OEM and aftermarket spare parts, consumables and services in line with operational and maintenance requirements.
• Liaise with maintenance, operations and suppliers to provide timely updates on parts availability, lead times, pricing and delivery status.
• Source cost-effective purchasing solutions through supplier agreements, catalogues, technical manuals and market research.
• Build and maintain strong relationships with OEMs and suppliers, negotiate pricing and expedite urgent or breakdown-related orders.
• Interpret technical specifications, parts manuals and equipment information to ensure accurate procurement of HME components and spare parts.
• Maintain accurate purchasing records and process purchase orders and invoices through ERP systems including JDE.
• Support maintenance planning and forecasting activities to ensure availability of critical HME parts and minimise equipment downtime.
• Promote a strong safety culture and contribute to continuous improvement initiatives across procurement and supply processes.

To be successful in this role, you will have:

• Tertiary qualification in business, supply chain, procurement or a related discipline.
• 2–5 years’ purchasing or procurement experience within mining, heavy industry, construction or similar operational environments, with exposure to Heavy Mining Equipment (HME) and spare parts procurement.
• Demonstrated understanding of HME equipment, components and maintenance supply requirements, including OEM and aftermarket parts.
• Proficiency with ERP systems, particularly JDE, with strong capability in managing purchasing workflows, supplier coordination and inventory-related processes.
• Strong technical and commercial acumen, with the ability to interpret equipment specifications, parts manuals and supplier quotations to support effective procurement outcomes.
• Excellent communication and stakeholder engagement skills, with the ability to collaborate effectively with maintenance teams, planners, suppliers and operational personnel in fast-paced mining environments.
• Well-developed negotiation and supplier management skills, with the ability to influence outcomes, manage critical supply issues and maintain strong vendor relationships while ensuring compliance with company standards and procurement policies.

What we will offer you:

• A competitive salary and access to a range of corporate discounts and cashback offers from over 350 popular retailers.
• Paid parental leave.
• Access to a dedicated online employee Wellbeing Centre providing education, support and tools to help you live a healthier life.
• Access to salary sacrificing benefits.
• Refer and earn program allowing you to earn up to $2,500 for referring new employees to MACA positions.
• Save up to 10% on your Health Insurance with BUPA, HBF, HCF or Medibank.

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 professional you want to be with MACA!

Make Your Mark.

If you want to come with us on our journey, apply with us today!

We’re ready when you are.

MACA is an equal opportunity employer and strongly encourages all females and Aboriginal and Torres Strait Islander applicants.