Smurfit Westrock (NYSE:SW) is a global leader in sustainable paper and packaging solutions. We are materials scientists, packaging designers, mechanical engineers and manufacturing experts with a purpose: Innovate Boldly. Package Sustainably. Guided by our values of integrity, respect, accountability and excellence, we use leading science and technology to move fiber-based packaging forward. The IBP Planning Sr Manager will lead a team responsible for the strategic balancing phase of the Integrated Business Planning cycle for the Containerboard Mills division. This role will focus on delivering an optimized network supply/demand balance that drives and supports the company's financial, operational, and supply chain objectives. The role is also responsible for performing ad-hoc scenario analysis responding to potential demand and supply variations. The ideal candidate will develop strong collaborative working relationships with Mill Operations, Commercial, Finance, Pricing and Converting Division Supply leadership to ensure an integrated and financially balanced approach to integrated business planning and supply planning. This candidate must be a self-starter, critical thinker, and can build strong consensus among stakeholders. The candidate should have a strong background in supply chain management principles such as production planning, supply/demand planning, mill operations, logistics and inventory management. Lastly, the role will handoff accurate and actionable analysis for strategic alternatives to cross-functional partners ensuring understanding and enabling their ability to execute. This role reports directly to the Director, Containerboard Mills Planning.