Purchasing Coordinator

DDH1 Drilling – Queensland

About Us

DDH1 Drilling is a leading exploration drilling contractor supporting the global mining industry. Our success is built on the capability, commitment, and safety mindset of our people. We foster a collaborative culture where accountability, continuous improvement, and operational excellence underpin everything we do.

About the Role

DDH1 Drilling is seeking a detail-focused and commercially minded Purchasing Coordinator to support our Queensland operations. Reporting to the Branch Manager, this role is responsible for the timely procurement of goods and services while working closely with Operations and Accounts Receivable to ensure all costs are accurately captured, allocated, and on-charged prior to mid-month and end-of-month invoicing. This role plays a critical part in maintaining cost visibility, invoice accuracy, and strong financial governance across the branch. It requires close coordination with site teams, suppliers, and internal stakeholders to ensure purchasing activity supports operational requirements and client billing deadlines.

Key Responsibilities

Purchasing & Procurement Support

• Raise and manage purchase orders in line with DDH1 procurement policies and delegated authority.
• Procure goods and services required to support drilling operations, maintenance, and branch activities.
• Ensure all purchases are correctly coded to the appropriate job, rig, cost centre, or project.
• Follow up suppliers to ensure timely delivery of goods and services.
• Resolve purchase order, invoice, and delivery discrepancies.

Cost Allocation & On-Charging

• Work closely with Operations to confirm correct allocation of costs to jobs and clients.
• Ensure all chargeable items, including parts, consumables, freight, hire, and services, are accurately captured for client on charging.
• Liaise with Accounts Receivable to ensure costs are correctly reflected prior to mid-month and end-of-month invoicing.
• Identify and resolve missing, incorrect, or late charges that may impact client billing.
• Maintain clear records and supporting documentation for audit and invoice validation purposes.

Stakeholder & Supplier Coordination

• Act as a key point of contact between Operations, Accounts Receivable, and suppliers.
• Support branch communication to ensure purchasing and billing timelines are met.
• Build and maintain effective working relationships with suppliers to support service levels and cost control.
• Escalate supply or pricing issues to the Branch Manager as required.

Systems, Compliance & Governance

• Maintain accurate purchasing and cost records within the ERP system.
• Ensure compliance with DDH1 purchasing, safety, and financial policies.
• Support internal controls, audits, and process improvements.
• Assist with data accuracy and process discipline in preparation for ERP system enhancements or transitions.

Continuous Improvement

• Identify opportunities to improve purchasing processes, cost capture, and on-charge accuracy.
• Support improvements in communication between Operations and Finance.
• Contribute to stronger cost governance and commercial outcomes for the branch.

About You

To be successful in this role, you will bring:

• Previous experience in a purchasing, procurement, or operational support role, ideally within mining, drilling, or a heavy industrial environment.
• Strong understanding of purchase order processes and cost allocation.
• Experience working with Accounts Receivable or invoicing processes is highly regarded.
• High attention to detail with a strong focus on accuracy and timeliness.
• Experience using ERP or finance systems for purchasing and cost tracking.
• Strong organisational and time management skills, particularly around month-end deadlines.
• Confident communication skills with the ability to work effectively with Operations, Finance, and suppliers.
• A proactive, problem-solving mindset with a strong sense of accountability.
• Ability to work under pressure and manage competing priorities.