Senior Buyer

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. Internal Title: Sr Buyer/Planner Position Summary The Senior Buyer / Planner is responsible for managing end-to-end procurement and planning activities to ensure timely, cost-effective, and high-quality supply of materials and services. This role combines operational execution with advanced supply chain analytics, partnering cross-functionally with Engineering, Planning, Quality, and Operations to drive supply continuity, data-driven decision-making, and process improvements. The role requires strong analytical capability, supplier management expertise, and the ability to influence stakeholders through insights that improve business outcomes. Key Responsibilities Procurement & Planning Operations Manage purchase requisitions, purchase orders, and change orders to ensure accurate and timely execution Coordinate with Planning and Manufacturing to support demand fulfilment and inventory optimization Maintain data integrity in procurement systems (e.g., SAP, Ariba, ERP/MRP systems) Support volume planning and material availability to meet production schedules Supply Chain Analytics & Insights Analyze supply chain data to identify trends, risks, and cost drivers across materials and suppliers Develop and maintain dashboards and reports (e.g., Excel, Power BI) to support decision-making Perform demand, inventory, and supply planning analysis to improve forecast accuracy and inventory health Conduct root cause analysis on supply disruptions, shortages, and excess inventory Provide data-driven recommendations to optimize procurement, planning, and supplier performance Support scenario planning and modeling to evaluate supply chain risks and opportunities Supplier Management & Performance Manage supplier relationships for direct materials with low to medium complexity Monitor supplier performance using KPIs and scorecards Work with suppliers and Quality teams to resolve delivery and quality issues Conduct supplier research and support onboarding of new suppliers Cross-Functional Collaboration Partner with Engineering, Planning, Quality, and Operations to align procurement activities with business needs Act as a data-driven advisor to stakeholders on supply risks, inventory strategies, and operational trade-offs Support cross-functional initiatives to improve supply chain efficiency and continuity Data Analysis & Continuous Improvement Integrate data from multiple systems (ERP, forecasts, supplier data) to generate actionable insights Maintain and improve procurement and planning data (e.g., part parameters, supplier database, quote tables) Identify inefficiencies and implement process improvements to enhance operational performance Risk Management Identify potential supply risks using data trends and predictive indicators Support mitigation strategies for supply disruptions and demand variability Evaluate alternative scenarios to ensure business continuity Leadership & Communication Demonstrate strong communication and stakeholder management skills Translate complex data into clear, actionable insights for business partners Provide guidance and support to junior team members when needed Contribute insights to support broader supply chain and procurement strategy L isted responsibilities are an essential, but not exhaus ... (truncated, view full listing at source)