Vol. 01 · Issue 001Fri · Aug 21 · 2026

sierraspace

77 live roles

The Buyer III at Sierra Space utilizes advanced understanding and expertise in procurement, supply chain management, and strategic sourcing to manage and lead procurement activities for critical and high-value purchases. They interact with leadership, suppliers, and external personnel to ensure seamless coordination and compliance with company policies and procedures. The role involves contract negotiation, risk management, and supplier relationship management, alongside analyzing market dynamics and forecasting procurement needs. Additionally, the Buyer III mentors junior buyers and provides necessary training, ensuring the success and efficiency of the procurement team. In this role, you will lead procurement activities for critical and high-value purchases, ensuring the timely and cost-effective acquisition of goods and services. You will negotiate contracts, manage risks, and maintain strong relationships with key suppliers. Additionally, you will analyze market dynamics and forecast procurement needs to support strategic sourcing initiatives. You will handle procurement documentation, ensuring compliance with company policies and procedures, and provide mentorship and training to junior buyers to enhance their skills and performance. Collaborating with leadership, suppliers, and external personnel on matters requiring coordination between functional organizations will also be a key responsibility. Furthermore, you will manage and leverage procurement software, such as SAP, to optimize procurement processes and maintain accurate records. About You

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