Senior Buyer - Pleasanton, CA

About the role

As the Sr. Buyer, you will have end-to-end (cradle-to-grave) ownership of procurement execution and outcomes for assigned commodities, suppliers, and Contract Manufacturers (CMs). This role is accountable for material availability, supplier and CM execution performance, inventory health, and cost effectiveness, operating within established category strategies and commercial frameworks defined by Category Management. The Sr. Buyer partners cross-functionally and externally to ensure supply continuity, scalability, and compliance while delivering measurable execution-level procurement results that support manufacturing operations, product changes, and business growth. In This Role, You Will: Cradle-to-Grave Procurement Execution Ownership Own the full procurement execution lifecycle (cradle-to-grave) for assigned scope-from purchase order execution and delivery through issue resolution, performance management, and close-out. Serve as the single point of accountability for supplier and CM execution, ensuring cost, quality, delivery, and service objectives are met throughout the lifecycle of parts and programs. Negotiate and procure materials, components, equipment, supplies, and services within established category strategies, contracts, and commercial frameworks defined by Category Management. Sourcing Collaboration and Support, including Supplier Selection and Negotiations Collaborate with Calyxo Sourcing teams on supplier selection, negotiations, and implementation Support spot buys and tactical supplier identification and purchasing Cross-train with Sourcing teams to act as support and backup roles on the sourcing team, as needed Planning, Ordering, and Execution Discipline Plan, execute, and monitor purchase orders using MRP, Kanban, Blanket POs, reschedules, and other appropriate planning techniques to meet production requirements. Execute pull-ins, push-outs, cancellations, and expedites at minimal total cost while protecting continuity of supply. Process returns to suppliers and ensure applicable credits are applied. Work closely with Receiving, Finance, and suppliers to reconcile discrepancies in receiving and invoicing. Contract Manufacturer (CM) Execution Management Actively manage Contract Manufacturers (CMs) as an extension of Calyxo's manufacturing operations, ensuring material readiness, capacity alignment, and execution to production requirements. Partner with CMs to support scale-up, engineering changes, and product transitions, ensuring sourcing execution, lead times, and inventory plans remain aligned to demand. Collaborate with Supply Chain, Quality, and Engineering to assess CM execution performance, drive corrective actions, and ensure timely implementation of agreed improvements. Support supplier or CM transitions and implementations led by Category Management, ensuring effective execution and continuity of supply. Inventory Strategy Execution & Forecast Alignment Own inventory execution strategies for assigned materials, balancing service levels, working capital, lead times, and demand variability within defined inventory policies. Monitor and adjust inventory targets to prevent shortages and excess, proactively identifying risks and executing mitigation actions. Review forecasts with key stakeholders, integrate feedback, and ensure supply execution remains aligned to demand and operational priorities. Supplier Performance, Quality Partnership, and Compliance Monitor supplier and CM execution performance and ensure compliance with released specifications, contracts, and quality requirements. Escalate and manage supplier or CM issues with structured follow-up and recovery plans. Participate in supplier sourcing events, assessments, and audits in support of Category Management-led strategies, working closely with the Supplier Quality Engineer (SQE). Maintain accurate supplier files and purchasing system data to support execution discipline and data integrity. Visit suppliers and CMs as needed to support execution performance and issue resolution. Cost Improvement & Continuous Improvement Identify and deliver execution-driven cost savings and cost-avoidance opportunities while maintaining supply continuity and compliance. Create, improve, and follow purchasing processes and work instructions; drive transaction discipline and adherence to p

Benefits

Additional Information

Calyxo, Inc. is a medical device company headquartered in Pleasanton, California, USA. The company was founded in 2016 to address the profound need for improved kidney stone treatment. Kidney stone disease is a common, painful condition that consumes vast amounts of healthcare resources each year. Our team is led by executives and investors with a proven track record of commercializing paradigm-shifting devices to meet unmet needs within urology. Are you ready to change the future of kidney stone treatment? We are seeking high achievers who want to be part of a dynamic team working in a fun, diverse atmosphere.

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