Senior Buyer

The Senior Buyer will manage the end-to-end procurement cycle to ensure continuity of supply, competitive total cost, and on-time delivery in support of production requirements. This role leads strategic sourcing, develops and maintains supplier relationships and performance expectations, and ensures purchasing activities comply with company policies and internal controls. The Senior Buyer partners closely with Production, Engineering, Sales, Accounting, and Logistics to resolve supply issues, support new product introductions, and drive continuous improvement across the supply base. Essential Duties and Responsibilities * Own end-to-end procurement for assigned commodities/categories, including sourcing strategy, supplier selection, RFQs, negotiations, award recommendations, and ongoing supplier management. * Partner with Production/Planning to review forecasts and build plans; help set and maintain purchasing parameters (reorder points, safety stock, lead times). * Expedites critical orders and proactively manages shortages, backorders, and supplier constraints; communicates impacts and recovery plans to stakeholders. * Monitors supplier performance (on-time delivery, quality, lead time, responsiveness) and drives corrective actions, escalations, and continuous improvement with suppliers. * Maintains purchasing system data integrity (vendor records, item master/purchasing parameters, lead times, pricing, and preferred suppliers) and ensures accurate documentation retention * Identify opportunities for cost savings, process improvements, alternative sourcing, providing recommendations to the Purchasing Manager The base salary range for this position is $30/hr to $32.50, with the potential for up to an additional 25% if the applicant hired has additional related qualifications. We also offer a substantial benefits package including insurance (medical/dental/vision/life/disability/supplemental offerings), 401k (company contribution regardless of employee participation - plus match), paid time off (vacation, personal floating and standard holidays), Employee Assistance Services, Stock Purchase Program - and more. About Owens Corning Owens Corning is a branded building products leader with three complementary market-leading businesses providing roofing, insulation, and doors primarily for residential markets in North America and Europe. The company operates with an integrated go-to-market strategy and a unique set of OC Advantages - including its iconic brand, unparalleled commercial strength, leading technology, and winning cost position - to help customers win and grow in the market. Owens Corning is committed to helping build better and achieve more through winning partnerships, leading performance, and engaging people. Founded in 1938 and headquartered in Toledo, Ohio, Owens Corning is listed on the New York Stock Exchange (NYSE: OC). For more information, visit Owens Corning is an equal opportunity employer. Except in limited circumstances such as formal apprenticeship programs, Owens Corning does not employ anyone under the age of 18. Owens Corning will consider qualified applicants with a criminal history pursuant to the California Fair Chance Act. You do not need to disclose your criminal history or participate in a background check until a conditional job offer is made to you. After making a conditional offer and running a background check, if Owens Corning is concerned about conviction that is directly related to the job, you will be given the chance to explain the circumstances surrounding the conviction, provide mitigating or rehabilitative evidence, or challenge the accuracy of the background check report. Find out more about the Fair Chance Act by visiting calcivilrights.ca.gov/fair-chance-act Nearest Major Market: Corona Nearest Secondary Market: Los Angeles