Senior Buyer

Job summary

The Senior Buyer leads strategic sourcing and procurement activities for critical commodities and manages key supplier relationships. This includes negotiating complex contracts, driving continuous improvement, and partnering with cross-functional teams to ensure supply chain stability.

Job details

As a global leader in radiation safety, detection and measurement, Mirion Technologies is advancing radiation safety through innovative technologies and solutions. The Senior Buyer leads strategic sourcing and procurement activities for a portfolio of critical commodities and key supplier relationships. This role negotiates complex contracts and long-term supply agreements and manages risk across the supply base. The Senior Buyer partners closely with Engineering, Operations, Quality and Finance on sourcing decisions, mentors junior buyers, and is expected to operate with a high degree of autonomy in resolving escalated supply issues and driving continuous improvement across the procurement function. Essential Duties Lead sourcing and negotiation of complex, contracts, and long-term agreements with strategic suppliers to secure optimal cost, quality, delivery, and risk terms Partner with Quality to develop and maintain an approved supplier list. Conduct supplier visits as required and maintain publish KPI’s. Develop and execute category strategies in partnership with commodity management, aligning sourcing decisions with broader business and operational objectives Own supplier relationship management for critical and strategic suppliers, leading business reviews, and governance cadences to drive accountability and performance Monitor supplier performance and key performance indicators, leading root cause analysis and corrective action plans for supply disruptions or quality escalations Review and approve purchase requisitions and purchase orders, ensuring accuracy, policy compliance, and appropriate approval controls Partner with Accounts Payable and Materials teams to resolve purchasing, invoicing, and receiving discrepancies Ability to interpret manufacturing drawings to determine quantity of material to buy and best source of supply Serve as an escalation point for day-to-day procurement issues such as delivery delays, allocation constraints, or quality concerns Collaborate with Quality, Engineering and Operations on new product introduction sourcing, ensuring timely qualification and availability of materials Partner with Planning and Operational Excellence teams to implement and sustain lean practices with suppliers, including kanban, min/max and just-in-time processes where applicable Mentor and provide guidance to junior buyers, sharing negotiation and risk management expertise Ensure compliance with company policies and applicable regulatory and export control requirements in all procurement activities Own the accuracy and integrity of supplier master data and purchasing records within the ERP system Essential Requirements Advanced proficiency in ERP and production planning systems Strong working knowledge of lean manufacturing principles, strategic sourcing methodologies Strong financial and analytical acumen, including should-cost modeling and total cost of ownership analysis Excellent verbal, written and executive-level communication, and presentation skills Demonstrated ability to lead cross-functional teams and influence stakeholders without direct authority Exceptional negotiation skills, with a track record of leading complex, high-value negotiations and developing win-win supplier relationships Strong attention to detail with the ability to problem-solve and manage multiple priorities in a fast-paced environment Self-starter with sound judgment and the ability to operate with a high degree of autonomy Additional Requirements Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint) and other relevant software tools Certification in supply chain management, such as APICS CPIM, CSCP, or CPSM, preferred Experience with nuclear safety standards is preferred Ability to travel domestically or internationally (up to 25%) Education & Experience Requirements Bachelor's degree in Supply Chain Management, Operations Management, Business Administration, or a combination of degree and equivalent experience 5+ years of progressive experience in procurement, strategic sourcing, materials management, or supply chain roles 3+ years of experience in a manufacturing facility, including direct materials or capital equipment sourcing Demonstrated experience leading supplier negotiations and managing key/strategic supplier relationships Prior experience mentoring or informally leading other buyers or procurement staff preferred Salary: $75,000 – 85,000 CAD Mirion Technologies (IST Canada) ULC is in compliant with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code. We are an equal opportunity employer that is committed in providing accommodations for applicants with disabilities upon request at any stage of the recruitment process. Please advise the Human Resources Department of any accommodations you may need during the recruitment process. Artificial Intelligence (AI) is used in our hiring process to screen for keywords and minimum qualifications for the role, a human reviews all applications.

What you’ll do

The Senior Buyer leads strategic sourcing and procurement activities for critical commodities and manages key supplier relationships. This includes negotiating complex contracts, driving continuous improvement, and partnering with cross-functional teams to ensure supply chain stability.

Requirements

Requires a Bachelor's degree in Supply Chain or Business and over 5 years of progressive procurement experience, including 3 years in a manufacturing environment. Proficiency in ERP systems and strong negotiation skills are essential, with supply chain certifications preferred.

Listed skills

• Risk Management · Preferred
• Root Cause Analysis · Preferred
• Lean Manufacturing · Preferred
• Contract Negotiation · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Strategic Sourcing
• Contract Negotiation
• Supplier Relationship Management
• Risk Management
• ERP Proficiency
• Lean Manufacturing
• Should-Cost Modeling
• Total Cost of Ownership Analysis
• Cross-functional Leadership
• Category Strategy
• KPI Monitoring
• Root Cause Analysis
• Purchase Order Management
• Materials Management
• Export Control Compliance
• Mentoring

Job areas

• Logistics
• Manufacturing
• Management & Leadership
• Engineering
• Security & Safety