Sr. Buyer

Job Summary

Responsible for the strategic sourcing and procurement of Active Pharmaceutical Ingredients (APIs) from Rest-of-World suppliers (North America and Europe). Drives cost optimization and value creation while ensuring a compliant, high-quality, and reliable supplier base aligned with Apotex’s short- and long-term business objectives. Leads supplier performance improvement, relationship management, and cross-functional collaboration to enhance supply continuity, cost efficiency, and operational excellence.

Job Responsibilities

• Identify and recommend long-term development and supply partners based on market requirements, including pricing, quality, delivery, and regulatory considerations
• Lead supplier negotiations to achieve cost savings targets and drive additional value-creation opportunities
• Manage supplier readiness across development, regulatory submission, product launch, and commercial supply phases
• Partner with internal stakeholders and external manufacturers on technical, quality, and regulatory matters
• Support supplier-driven changes and manage raw material OOS/OOT investigations and resolutions
• Drive technical sourcing initiatives and lead cross-functional issue resolution efforts
• Define, plan, monitor, and report progress against project timelines and key deliverables
• Participate in manufacturer selection and qualification through cross-functional collaboration
• Provide market and business intelligence to support Project Management, Global R&D, Procurement, and Commercial teams
• Maintain and improve internal processes, procedures, and cross-functional interfaces
• Ensure seamless project handovers across R&D, Tech Transfer, and Commercial teams
• Build and sustain strong, trust-based relationships through open and transparent communication
• Lead initiatives to ensure cost competitiveness and reliable, on-time API supply
• Support contracting activities, including Supply Agreements, Due Diligence, and Confidential Disclosure Agreements (CDAs)
• Foster a culture of open, two-way communication, while actively seeking feedback to continuously strengthen leadership effectiveness
• Perform other duties as assigned

Job Requirements

Education

• Graduate degree: Commerce, Economist (Business Administration) or Scientist (Chemistry, Chemical engineering, Pharmacology etc.)

Knowledge, Skills and Abilities

• At least 5 years of experience in API sourcing and procurement within the pharmaceutical industry
• Strong knowledge of the global API supplier landscape
• Solid understanding of GMP and pharmaceutical regulatory requirements
• Demonstrated leadership capability with the ability to work both independently and collaboratively in team environments
• Excellent interpersonal, communication, and negotiation skills
• Strong organizational skills with keen attention to detail
• Ability to manage multiple priorities with a sense of urgency and speed
• Sound understanding of supply chain principles and end-to-end processes
• Adaptable and effective in managing change within dynamic environments
• Customer-focused mindset with a strong service orientation
• Proven ability to operate effectively in multicultural environments and manage relationships with global stakeholders and suppliers
• Fluent in English

Travel Requirements

• This position is based in Mexico
• Occasionally and primarily to visit, meet local suppliers and manufacturers and internationally for exhibitions, trade fares and potentially for training, workshops, conferences, as deemed necessary