Site BuyerSaint-Gobain

This is a great chance to join a Top Employer and contribute to our growth and success by providing fast and sufficient support to our Canadian business.

Here is what we do…

CertainTeed is a subsidiary of Saint‑Gobain, the global leader in light and sustainable construction with a 360‑year legacy of innovation. Saint‑Gobain North America is recognized by the Top Employers Institute as one of the best workplaces in North America and Canada.

For over 120 years, CertainTeed has delivered trusted, high‑quality solutions across insulation, ceilings, roofing, siding, gypsum, and more-helping build better, more efficient homes and buildings. Our focus is on advancing performance, sustainability, through our solutions as we work toward a shared future inspired by our purpose: Making the World a Better Home.

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POSITION SUMMARY
This position is responsible for managing all purchasing and compliance functions for the facility. This position will perform all purchasing activity, negotiate payment terms, and execute contracts for bothgoods and services.

This role will need to focus on cost savings, implementation and adherence toglobal compliance, and utilization of digital tools while providing timely service to our internal customers.

PLANT PURCHASING DUTIES

• Supplier Strategy & Negotiations: Develops and maintains a local supplier roadmap; negotiates local spend and contracts using Saint‑Gobain e‑tools (ProSource) for all OPEX and CAPEX over $35K.
• Savings Tracking & Reporting: Reports hard and soft savings at the conclusion of each project using the Purchaser Performance Management (PPM) tool.
• Contract Management: Creates contracts using standard templates, monitors contract validity, and ensures proper upload and management in ProcureNet.
• Compliance & Governance: Ensures compliance with Corporate Preferred Supplier Programs, drives Agora adoption at site level, and acts as gatekeeper for purchasing policy and internal controls.
• Sourcing & Competitive Bidding: Coordinates competitive bidding across site purchasing categories in collaboration with multiple stakeholders.
• Procurement Operations: Creates purchase orders, manages inbound supply, and monitors/update delivery dates within the ERP system.
• Invoice Resolution & Controls: Manages invoice exceptions in Medius, resolves discrepancies, and supports GRIR root‑cause analysis.
• Performance Monitoring & Optimization: Monitors vendor performance using digital tools and proactively identifies, recommends, and implements process improvements.
• Reporting, Collaboration & Coverage: Owns monthly KPI reporting, supports ongoing plant meetings with key stakeholders, and provides remote and ad‑hoc coverage for other Site Buyer roles as required.

RAW MATERIAL PLANNING AND PURCHASING DUTIES

• Materials Planning: Monitors raw material consumption and inventory in SAP to support production schedules and optimal stock levels.
• Procurement Execution: Plans and orders raw materials, processes non‑stock purchase orders, and maintains local MRP settings.
• Supplier Quality Management: Addresses non‑conforming materials with vendors and coordinates corrective actions with Central Purchasing and Quality.
• Performance Support: Provides Central Purchasing with plant‑level insights on material usage and supplier performance.

OTHER DUTIES

• Operational & Site Engagement: Travels (up to 20%) to facilities to maintain strong communication, participate in plant and purchasing meetings, and conduct vendor audits or site tours as needed.
• Strategic Purchasing & Risk Management: Analyzes spend portfolios to identify negotiation synergies across BUs and monitors/mitigates single‑source risks.
• Governance, Compliance & Training: Completes all required purchasing training and oversees documentation processes to ensure policy compliance and audit readiness.
• Collaboration & Continuous Improvement: Works closely with peers to share best practices, strengthen purchasing capabilities, and support a high‑performing, integrated purchasing function.

The profile:

• Requires a bachelor's degree or equivalent experience which will provide a working knowledge of the laws, regulations, practices and procedures concerned with purchasing activities.
• 5+ years' experience in purchasing, inventory management or manufacturing activities.
• Excellent computer skills; including Microsoft Office Suite.
• Passion for accomplishing preferred quality, service and best value in Purchasing
• SAP systems knowledge (Strongly Preferred)
• Comfortable working in a team environment.
• Leadership during projects and at the facility.
• Experience using continuous improvement tools.
• Experience in a manufacturing environment (Strongly Preferred)
• A minimum of 1 to 2 years of experience in production and/or MRP planning in SAP or similar system.
• Strong interpersonal, verbal and written communications skills.
• Purchasing of Raw Materials and Repair Material in accordance with Internal Control and purchasing guidelines.
• Requires wearing personal protection equipment as mandated in areas accessed. Physical demands are walking and climbing, entering confined spaces, and heights. May need to navigate steps and rough terrain at some plant locations.
• Manufacturing Plant environment, concrete floors, stairs and ladders. Exposure to industrial noise, dust and heat. Some travel required.
• Travel would involve ability to fly on commercial airplanes and drive to remote locations.