The Sourcing Leader is responsible for managing the sourcing process for a GeoUnit, GSC Team or Center to deliver optimal product and service cost, and a high-performance, risk-managed supply base in line with the business requirements. The Sourcing Leader manages a team of Sourcing Specialists where required. * Create sourcing plans that reduce cost, secure supply and minimize supply chain disruptions, aligned with Category strategies. * Develop action plans, timelines and resource assignments for sourcing projects, including the assignment of projects to the Global Sourcing Centers if appropriate. * In the GeoUnit, manage sourcing activities to support the Division GU P≻ direct spend requirements and local requirements for the GeoUnit. * For Division GU P≻ direct spend, support through the identification of suppliers, RFQ and engaging the GSC and other stakeholders as required. * Define a high-performance supply base for locally managed commodities. * Lead the request for information, quotation, proposal and bidding processes, minimizing risk and maximizing value in terms of quality, delivery and total cost of ownership. * Lead the supplier evaluation and selection processes, in coordination with Supplier Quality teams, Supplier Managers and Division stakeholders. Ensure all decisions for selection and onboarding are documented. * Negotiate prices and terms with suppliers to meet quality, delivery and cost objectives. * Lead the contracting process with suppliers in coordination with Supply Chain Contract Specialists. * Engage suppliers for RFxand allocate spend in line with the Global Category Strategy. * Monitor sourcing projects to ensure on-time completion and full implementation, including all Purchasing data required to transact. * Engage with all appropriate stakeholders within the GeoUnit, Division and Central teams to meet defined objectives and ensure the effective implementation of Sourcing Plans. * Identify opportunities and implement actions to continuously reduce wasted time, money and resources. * Comply with all Schlumberger and local procedures applicable to the job function. Ensure full compliance throughout the GeoUnit or Center with Schlumberger Financial Manual and Sourcing Procedures. Bacherlos degree with experience in Sourcing (PnSC)