Sr. Buyer

Job Description

Job Title: Senior Buyer

Department: Accounting

Reports to: Supply Chain and Logistics Superintendent

Location: Florence, AZ

Job Summary:

Reporting to the Supply Chain Supervisor, the Senior Buyer plays a key role in procuring equipment, materials, and services essential to mining and drilling operations. This position requires deep industry knowledge – spanning construction, supply chain management, and vendor relations – to drive cost-effective, high-quality procurement outcomes. The Senior Buyer supports cross-functional projects, improves supplier performance, and shapes strategic sourcing decisions that align with operational goals while ensuring compliance with company policies and regulatory standards.

Core Responsibilities:

Procurement and Sourcing:

• Identify and evaluate suppliers for mining and drilling equipment, construction materials, parts, and consumables.
• Develop and maintain strong vendor relationships to secure competitive pricing and reliable delivery schedules.
• Source new products and technologies to improve operational efficiency and drive cost savings.
• Compile detailed scope of supply package for services and equipment.

Contract Negotiation:

• Draft and manage supplier agreements, ensuring alignment with legal and regulatory requirements.
• Negotiate terms and conditions to secure favorable outcomes for the company.
• Draft and manage competitive Request for Proposals (RFP).

Inventory Management

• Monitor and manage lead times to ensure uninterrupted operations.
• Collaborate with cross-functional teams to set and adjust stock levels and reorder points.
• Stay informed on upcoming projects to proactively plan procurement needs.

Vendor Management

• Evaluate supplier performance based on quality, delivery, cost, and responsiveness.
• Address supplier issues and resolve conflicts to maintain operational continuity.
• Draft complete scopes of supply for materials and services across mechanical, electrical, drilling, and piping disciplines.
• Partner with internal teams to resolve invoice and purchase order discrepancies.

Compliance and Reporting

• Ensure all purchases comply with health, safety, and environmental regulations.
• Maintain accurate procurement records and generate reports on purchasing activities, cost savings, supplier performance and order expediting.
• Run reports to verify shipments and service completion for payment processing.

Collaboration and Communication

• Work closely with operations, engineering, and finance teams to align procurement with business needs.
• Provide recommendations to Supply Chain Supervisor on cost reductions, supplier transitions, and market changes.
• Stay informed about trade strikes, shipping delays, and other external factors that could affect deliveries.

Required Qualifications:

• Associate’s degree in business administration with a minimum of two (2) years of purchasing experience OR a minimum of five (5) years of relevant pur