Acheteur principal / Senior Buyer in Montréal

Your new company The Windfall Project, owned by Gold Fields, is in northern Québec. By joining our passionate team, committed to creating lasting value beyond mining, you will have the opportunity to contribute to the construction and startup of a world-class mining project, one of the most ambitious in recent decades. Gold Fields is a globally diversified gold producer with operations in Australia, South Africa, Ghana, Peru, Canada and Chile. At Gold Fields, we are committed to achieving an inclusive workforce and recognize that the diverse talent of our people will ultimately determine our growth, performance and success. This is a role that offers you the opportunity to lead high-impact initiatives, collaborate with experts, and contribute to the global growth of our operations in Québec. You will thrive in a dynamic environment where challenges and an exceptional workplace will support your professional growth. Join the Windfall adventure!

Your new role The Senior Buyer is responsible for the execution of procurement activities for major equipment supply packages, bulk materials, and selected construction/service contracts within a large capital mining project delivered in an EPCM environment. This role manages the end-to-end procurement cycle—from RFQ issuance through purchase order award and support to handover for post-award administration—ensuring that all packages are sourced in accordance with project requirements, approved procurement strategies, commercial terms, technical specifications, schedule constraints, and Owner governance.

Your key responsibilities:

• Procurement Planning & Strategy Execution Execute procurement strategies for equipment, materials, and construction/service contracts in alignment with project schedule and risk. Identify and mitigate long-lead and critical-path items. Ensure compliance with Owner procurement policies, governance, and ethical standards.
• RFQ & Tendering Management Prepare and issue RFQs in coordination with Engineering, Construction, and Project Controls. Develop commercial documentation and manage bidder communications and clarifications. Oversee bid receipt, compliance review, and bid evaluation.
• Commercial Evaluation & Award Recommendation Lead commercial bid evaluations and coordinate technical reviews with Engineering and Construction. Prepare award recommendations, including commercial summaries and risk assessments, and support approval processes. Participate in negotiations with shortlisted vendors and contractors.
• Purchase Order & Contract Formation Draft and finalize purchase orders and contracts, ensuring alignment of scope, pricing, and commercial terms. Coordinate internal reviews with Legal, Finance, Tax, Insurance, and Project Controls, and ensure timely execution. Maintain accurate procurement records in SAP/ERP and EDMS systems.
• Vendor Performance & Interface Support Serve as the primary procurement focal point during pre-award and early post-award phases, supporting handover to Contract Administration. Participate in vendor kickoffs and monitor early performance indicators (engineering data, schedule, documentation). Support resolution of commercial and supply issues in coordination with Contract Administration and Expediting.
• Cost, Schedule & Risk Control Ensure procurement commitments align with approved budgets and cost forecasts, with accurate tracking and reporting. Identify and elevate commercial and delivery risks, including pricing, scope gaps, and contractual deviations.
• Cross-Functional Coordination Interface closely with Engineering, Project Controls, Construction, Contract Administration, Expediting & Logistics, Finance/AP, and Legal to ensure alignment on technical scope, schedules, costs, delivery, payments, and contract terms. Participate in procurement meetings, project reviews, and readiness sessions.
• Reporting & Documentation Maintain complete procurement files. Provide weekly/monthly procurement status reports. Ensure document traceability.

What you'll need to succeed Bachelor’s degree in supply chain, Business, Engineering, or a related field. 7–12+ years of procurement experience in major capital projects. Strong experience in mining, heavy industrial, EPC/EPCM project environments. Proven experience sourcing engineered equipment, bulk materials, and construction services. Strong understanding of supply markets, fabrication processes, and construction contracting. Proficiency with SAP, Aconex and procurement systems. Professional certifications (SCMP, PMP, CIPS) considered an asset. Bilingualism is required.

What you get in return Working from the Montreal project office for the remainder of the design and planning phase, you will have access to a vibrant, modern workspace that will enable a high degree of collaboration with other leaders in the project. Exceptional career development as a senior leader on one of the largest mining projects in the past decade in Quebec. A unique opportunity to contribute to a large-scale greenfield project in the mining sector that will see the best technologies embedded into the startup of the operation. Access to global projects networks to leverage the best practices across Gold Fields. Highly competitive compensation. Collective insurance plan. RRSP. And much more!